/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1232b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:43:54,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:43:54,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:43:54,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:43:54,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:43:54,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:43:54,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:43:54,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:43:54,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:43:54,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:43:54,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:43:54,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:43:54,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:43:54,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:43:54,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:43:54,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:43:54,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:43:54,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:43:54,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:43:54,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:43:54,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:43:54,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:43:54,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:43:54,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:43:54,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 11:43:55,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:43:55,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:43:55,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:43:55,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:43:55,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:43:55,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:43:55,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:43:55,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:43:55,023 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:43:55,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:43:55,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:43:55,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:43:55,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:43:55,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:43:55,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:43:55,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:43:55,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:43:55,025 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:43:55,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:43:55,025 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:43:55,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:43:55,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:43:55,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:43:55,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:43:55,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:43:55,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:43:55,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:43:55,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:43:55,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:43:55,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:43:55,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:43:55,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:43:55,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:43:55,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:43:55,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:43:55,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:43:55,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:43:55,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:43:55,323 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:43:55,324 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1232b.c [2020-07-17 11:43:55,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4b1d993/34e4c06fade24198bbb9820960a95711/FLAGb99ad8375 [2020-07-17 11:43:55,866 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:43:55,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1232b.c [2020-07-17 11:43:55,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4b1d993/34e4c06fade24198bbb9820960a95711/FLAGb99ad8375 [2020-07-17 11:43:56,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4b1d993/34e4c06fade24198bbb9820960a95711 [2020-07-17 11:43:56,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:43:56,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:43:56,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:43:56,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:43:56,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:43:56,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcfc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56, skipping insertion in model container [2020-07-17 11:43:56,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:43:56,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:43:56,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:43:56,470 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:43:56,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:43:56,524 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:43:56,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56 WrapperNode [2020-07-17 11:43:56,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:43:56,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:43:56,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:43:56,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:43:56,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (1/1) ... [2020-07-17 11:43:56,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:43:56,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:43:56,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:43:56,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:43:56,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-17 11:43:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:43:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:43:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2020-07-17 11:43:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2020-07-17 11:43:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-17 11:43:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:43:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:43:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-17 11:43:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2020-07-17 11:43:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:43:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 11:43:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:43:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:43:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2020-07-17 11:43:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-17 11:43:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:43:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:43:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:43:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 11:43:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:43:57,095 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:43:57,095 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-17 11:43:57,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:43:57 BoogieIcfgContainer [2020-07-17 11:43:57,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:43:57,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:43:57,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:43:57,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:43:57,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:43:56" (1/3) ... [2020-07-17 11:43:57,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570e8d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:43:57, skipping insertion in model container [2020-07-17 11:43:57,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:43:56" (2/3) ... [2020-07-17 11:43:57,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570e8d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:43:57, skipping insertion in model container [2020-07-17 11:43:57,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:43:57" (3/3) ... [2020-07-17 11:43:57,108 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1232b.c [2020-07-17 11:43:57,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:43:57,125 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:43:57,138 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:43:57,157 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:43:57,157 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:43:57,158 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:43:57,158 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:43:57,158 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:43:57,158 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:43:57,158 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:43:57,158 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:43:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-07-17 11:43:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-17 11:43:57,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:43:57,184 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] [2020-07-17 11:43:57,184 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:43:57,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:43:57,189 INFO L82 PathProgramCache]: Analyzing trace with hash -411440866, now seen corresponding path program 1 times [2020-07-17 11:43:57,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:43:57,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714875129] [2020-07-17 11:43:57,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:43:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:43:57,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714875129] [2020-07-17 11:43:57,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:43:57,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:43:57,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895912541] [2020-07-17 11:43:57,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:43:57,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:43:57,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:43:57,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:43:57,481 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states. [2020-07-17 11:43:57,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:43:57,675 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2020-07-17 11:43:57,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:43:57,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-07-17 11:43:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:43:57,687 INFO L225 Difference]: With dead ends: 79 [2020-07-17 11:43:57,688 INFO L226 Difference]: Without dead ends: 40 [2020-07-17 11:43:57,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:43:57,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-07-17 11:43:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-07-17 11:43:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-07-17 11:43:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-07-17 11:43:57,740 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 22 [2020-07-17 11:43:57,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:43:57,740 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-07-17 11:43:57,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:43:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-07-17 11:43:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-17 11:43:57,743 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:43:57,743 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] [2020-07-17 11:43:57,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:43:57,744 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:43:57,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:43:57,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1480673795, now seen corresponding path program 1 times [2020-07-17 11:43:57,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:43:57,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195359833] [2020-07-17 11:43:57,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:43:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:43:57,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195359833] [2020-07-17 11:43:57,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:43:57,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:43:57,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705460672] [2020-07-17 11:43:57,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:43:57,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:43:57,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:43:57,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:43:57,950 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states. [2020-07-17 11:43:58,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:43:58,219 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2020-07-17 11:43:58,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:43:58,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-17 11:43:58,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:43:58,224 INFO L225 Difference]: With dead ends: 59 [2020-07-17 11:43:58,224 INFO L226 Difference]: Without dead ends: 44 [2020-07-17 11:43:58,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:43:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-17 11:43:58,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-07-17 11:43:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-17 11:43:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2020-07-17 11:43:58,238 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23 [2020-07-17 11:43:58,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:43:58,238 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2020-07-17 11:43:58,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:43:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-07-17 11:43:58,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 11:43:58,240 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:43:58,240 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] [2020-07-17 11:43:58,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:43:58,241 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:43:58,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:43:58,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1766352133, now seen corresponding path program 1 times [2020-07-17 11:43:58,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:43:58,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032648450] [2020-07-17 11:43:58,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:43:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:43:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:43:58,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032648450] [2020-07-17 11:43:58,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:43:58,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:43:58,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560800177] [2020-07-17 11:43:58,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:43:58,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:43:58,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:43:58,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:43:58,435 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 6 states. [2020-07-17 11:43:58,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:43:58,654 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2020-07-17 11:43:58,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:43:58,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-17 11:43:58,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:43:58,656 INFO L225 Difference]: With dead ends: 63 [2020-07-17 11:43:58,657 INFO L226 Difference]: Without dead ends: 48 [2020-07-17 11:43:58,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:43:58,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-07-17 11:43:58,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2020-07-17 11:43:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-17 11:43:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2020-07-17 11:43:58,668 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 26 [2020-07-17 11:43:58,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:43:58,668 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2020-07-17 11:43:58,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:43:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-07-17 11:43:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 11:43:58,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:43:58,670 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] [2020-07-17 11:43:58,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:43:58,671 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:43:58,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:43:58,671 INFO L82 PathProgramCache]: Analyzing trace with hash -30599226, now seen corresponding path program 1 times [2020-07-17 11:43:58,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:43:58,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165631436] [2020-07-17 11:43:58,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:43:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:43:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:43:58,862 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 11:43:58,863 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 11:43:58,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:43:58,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:43:58 BoogieIcfgContainer [2020-07-17 11:43:58,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:43:58,898 INFO L168 Benchmark]: Toolchain (without parser) took 2663.70 ms. Allocated memory was 146.3 MB in the beginning and 235.4 MB in the end (delta: 89.1 MB). Free memory was 102.5 MB in the beginning and 129.9 MB in the end (delta: -27.5 MB). Peak memory consumption was 61.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:43:58,899 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 11:43:58,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.73 ms. Allocated memory is still 146.3 MB. Free memory was 102.2 MB in the beginning and 91.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:43:58,901 INFO L168 Benchmark]: Boogie Preprocessor took 140.66 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 91.2 MB in the beginning and 181.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:43:58,902 INFO L168 Benchmark]: RCFGBuilder took 433.06 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 160.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:43:58,903 INFO L168 Benchmark]: TraceAbstraction took 1794.88 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 160.7 MB in the beginning and 129.9 MB in the end (delta: 30.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:43:58,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.73 ms. Allocated memory is still 146.3 MB. Free memory was 102.2 MB in the beginning and 91.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.66 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 91.2 MB in the beginning and 181.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 433.06 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 160.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1794.88 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 160.7 MB in the beginning and 129.9 MB in the end (delta: 30.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 70]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someUnaryFLOAToperation at line 64. Possible FailurePath: [L64] float x = -0.0f; [L65] float y = 0.0f; VAL [y=0] [L66] CALL, EXPR fmin_float(x, y) VAL [\old(x)=6, \old(y)=0] [L36] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=6] [L13] __uint32_t w; VAL [\old(x)=6, x=6] [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) VAL [\old(x)=6, w=2147483647, x=6] [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) VAL [\old(x)=6, w=2147483647, x=6] [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) VAL [\old(x)=6, w=2147483647, x=6] [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] return 0; VAL [\old(x)=6, \result=0, w=2147483647, x=6] [L36] RET, EXPR __fpclassify_float(x) VAL [\old(x)=6, \old(y)=0, __fpclassify_float(x)=0, x=6, y=0] [L36] COND TRUE __fpclassify_float(x) == 0 [L37] return y; VAL [\old(x)=6, \old(y)=0, \result=0, x=6, y=0] [L66] RET, EXPR fmin_float(x, y) VAL [fmin_float(x, y)=0, x=6, y=0] [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=0, res == -0.0f && __signbit_float(res) == 1=0, x=6, y=0] [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() VAL [res=0, x=6, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 123 SDtfs, 117 SDslu, 43 SDs, 0 SdLazy, 296 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 4170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...