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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/nla-digbench/geo1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:00:40,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:00:40,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:00:40,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:00:40,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:00:40,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:00:40,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:00:40,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:00:40,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:00:40,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:00:40,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:00:40,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:00:40,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:00:40,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:00:40,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:00:40,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:00:40,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:00:40,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:00:40,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:00:40,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:00:40,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:00:40,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:00:40,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:00:40,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:00:40,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:00:40,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:00:40,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:00:40,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:00:40,076 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 [2019-10-13 23:00:40,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:00:40,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:00:40,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:00:40,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:00:40,091 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:00:40,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:00:40,091 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:00:40,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:00:40,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:00:40,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:00:40,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:00:40,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:00:40,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:00:40,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:00:40,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:00:40,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:00:40,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:00:40,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:00:40,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:00:40,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:00:40,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:00:40,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:00:40,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:00:40,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:00:40,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:00:40,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:00:40,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:00:40,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:00:40,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:00:40,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:00:40,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:00:40,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:00:40,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:00:40,425 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:00:40,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2019-10-13 23:00:40,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97350910/3e21181c56164146be9463390c0b4718/FLAGa24fa3fe8 [2019-10-13 23:00:40,943 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:00:40,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2019-10-13 23:00:40,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97350910/3e21181c56164146be9463390c0b4718/FLAGa24fa3fe8 [2019-10-13 23:00:41,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97350910/3e21181c56164146be9463390c0b4718 [2019-10-13 23:00:41,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:00:41,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:00:41,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:00:41,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:00:41,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:00:41,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54268d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41, skipping insertion in model container [2019-10-13 23:00:41,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:00:41,408 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:00:41,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:00:41,588 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:00:41,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:00:41,624 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:00:41,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41 WrapperNode [2019-10-13 23:00:41,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:00:41,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:00:41,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:00:41,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:00:41,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (1/1) ... [2019-10-13 23:00:41,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:00:41,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:00:41,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:00:41,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:00:41,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (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 [2019-10-13 23:00:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:00:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:00:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 23:00:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:00:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:00:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:00:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 23:00:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 23:00:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:00:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:00:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:00:42,029 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:00:42,029 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:00:42,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:00:42 BoogieIcfgContainer [2019-10-13 23:00:42,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:00:42,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:00:42,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:00:42,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:00:42,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:00:41" (1/3) ... [2019-10-13 23:00:42,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2caac9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:00:42, skipping insertion in model container [2019-10-13 23:00:42,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:41" (2/3) ... [2019-10-13 23:00:42,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2caac9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:00:42, skipping insertion in model container [2019-10-13 23:00:42,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:00:42" (3/3) ... [2019-10-13 23:00:42,043 INFO L109 eAbstractionObserver]: Analyzing ICFG geo1.c [2019-10-13 23:00:42,055 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:00:42,065 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:00:42,080 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:00:42,109 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:00:42,110 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:00:42,110 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:00:42,110 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:00:42,110 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:00:42,110 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:00:42,111 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:00:42,111 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:00:42,130 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-13 23:00:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-13 23:00:42,136 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:42,137 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:42,139 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:42,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:42,147 INFO L82 PathProgramCache]: Analyzing trace with hash -156194248, now seen corresponding path program 1 times [2019-10-13 23:00:42,159 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:42,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131192018] [2019-10-13 23:00:42,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:42,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:42,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:42,254 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:00:42,255 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941013445] [2019-10-13 23:00:42,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2019-10-13 23:00:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:42,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-13 23:00:42,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:00:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:00:42,387 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:00:42,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:00:42,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131192018] [2019-10-13 23:00:42,453 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:00:42,454 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941013445] [2019-10-13 23:00:42,455 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:00:42,455 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-13 23:00:42,455 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440913535] [2019-10-13 23:00:42,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:00:42,461 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:00:42,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:00:42,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:00:42,479 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 8 states. [2019-10-13 23:00:42,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:00:42,623 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2019-10-13 23:00:42,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:00:42,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-10-13 23:00:42,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:00:42,642 INFO L225 Difference]: With dead ends: 43 [2019-10-13 23:00:42,642 INFO L226 Difference]: Without dead ends: 22 [2019-10-13 23:00:42,652 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:00:42,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-13 23:00:42,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2019-10-13 23:00:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-13 23:00:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-10-13 23:00:42,737 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10 [2019-10-13 23:00:42,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:00:42,738 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-10-13 23:00:42,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:00:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-10-13 23:00:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-13 23:00:42,741 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:42,741 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:42,945 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:00:42,945 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:42,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:42,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1377881770, now seen corresponding path program 1 times [2019-10-13 23:00:42,946 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:42,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291103116] [2019-10-13 23:00:42,948 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:42,948 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:42,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:42,961 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:00:42,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355081861] [2019-10-13 23:00:42,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2019-10-13 23:00:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:43,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-13 23:00:43,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:00:43,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:43,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:00:43,099 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:00:45,215 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:00:45,246 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291103116] [2019-10-13 23:00:45,246 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:00:45,246 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355081861] [2019-10-13 23:00:45,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1219251456] [2019-10-13 23:00:45,280 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 23:00:45,280 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:00:45,287 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:00:45,294 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:00:45,295 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:00:45,347 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-13 23:00:45,701 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-13 23:00:45,744 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-13 23:00:45,751 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 23:00:45,752 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 23:00:45,752 INFO L193 IcfgInterpreter]: Reachable states at location L12 satisfy 129#false [2019-10-13 23:00:45,753 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 138#true [2019-10-13 23:00:45,753 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 114#(and (= |__VERIFIER_assert_#in~cond| 1) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 23:00:45,753 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 124#(and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 23:00:45,753 INFO L193 IcfgInterpreter]: Reachable states at location L27-3 satisfy 100#(and (<= main_~k~0 2147483647) (<= main_~z~0 2147483647) (<= main_~c~0 1) (= main_~c~0 1) (= 0 (+ (* main_~x~0 (- 1)) (* main_~y~0 (- 1)) (* main_~x~0 main_~z~0) 1)) (= main_~x~0 1) (<= main_~x~0 1) (not (< main_~c~0 main_~k~0)) (<= 0 (+ main_~y~0 2147483648)) (<= 0 (+ main_~k~0 2147483648)) (<= 0 (+ main_~z~0 2147483648)) (<= main_~y~0 2147483647) (<= 1 main_~x~0) (<= 1 main_~c~0) (<= main_~k~0 1) (= main_~z~0 main_~y~0)) [2019-10-13 23:00:45,754 INFO L193 IcfgInterpreter]: Reachable states at location L27-2 satisfy 38#(and (<= main_~k~0 2147483647) (<= main_~z~0 2147483647) (<= main_~c~0 1) (= main_~c~0 1) (= main_~x~0 1) (<= main_~x~0 1) (<= 0 (+ main_~y~0 2147483648)) (<= 0 (+ main_~k~0 2147483648)) (<= 0 (+ main_~z~0 2147483648)) (<= main_~y~0 2147483647) (<= 1 main_~x~0) (<= 1 main_~c~0) (= main_~z~0 main_~y~0)) [2019-10-13 23:00:45,754 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true [2019-10-13 23:00:45,754 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true [2019-10-13 23:00:45,754 INFO L193 IcfgInterpreter]: Reachable states at location L28-1 satisfy 62#(and (<= main_~k~0 2147483647) (<= main_~z~0 2147483647) (<= main_~c~0 1) (= main_~c~0 1) (= 0 (+ (* main_~x~0 (- 1)) (* main_~y~0 (- 1)) (* main_~x~0 main_~z~0) 1)) (= main_~x~0 1) (<= main_~x~0 1) (<= 0 (+ main_~y~0 2147483648)) (<= 0 (+ main_~k~0 2147483648)) (<= 0 (+ main_~z~0 2147483648)) (<= main_~y~0 2147483647) (<= 1 main_~x~0) (<= 1 main_~c~0) (= main_~z~0 main_~y~0)) [2019-10-13 23:00:45,755 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 143#true [2019-10-13 23:00:45,755 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 23:00:45,756 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= main_~k~0 2147483647) (<= main_~z~0 2147483647) (<= main_~c~0 1) (= main_~c~0 1) (= main_~x~0 1) (<= main_~x~0 1) (<= 0 (+ main_~y~0 2147483648)) (<= 0 (+ main_~k~0 2147483648)) (<= 0 (+ main_~z~0 2147483648)) (<= main_~y~0 2147483647) (<= 1 main_~x~0) (<= 1 main_~c~0) (= main_~z~0 main_~y~0)) [2019-10-13 23:00:45,759 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 109#(and (= |__VERIFIER_assert_#in~cond| 1) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-13 23:00:45,759 INFO L193 IcfgInterpreter]: Reachable states at location L41 satisfy 95#(and (<= main_~k~0 2147483647) (<= main_~z~0 2147483647) (<= main_~c~0 1) (= main_~c~0 1) (not (< main_~c~0 main_~k~0)) (<= 0 (+ main_~y~0 2147483648)) (<= 0 (+ main_~k~0 2147483648)) (<= 0 (+ main_~z~0 2147483648)) (= (+ main_~x~0 1) main_~z~0) (<= main_~x~0 2147483646) (<= main_~y~0 2147483647) (<= 1 main_~c~0) (<= main_~k~0 1) (<= 0 (+ main_~x~0 2147483649)) (= main_~z~0 main_~y~0)) [2019-10-13 23:00:45,759 INFO L193 IcfgInterpreter]: Reachable states at location L11-2 satisfy 119#(and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 23:00:45,760 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 134#false [2019-10-13 23:00:46,284 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 20 [2019-10-13 23:00:46,367 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:00:46,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 15 [2019-10-13 23:00:46,368 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179616645] [2019-10-13 23:00:46,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:00:46,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:00:46,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:00:46,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=165, Unknown=1, NotChecked=0, Total=210 [2019-10-13 23:00:46,372 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 7 states. [2019-10-13 23:00:46,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:00:46,443 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2019-10-13 23:00:46,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:00:46,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-10-13 23:00:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:00:46,445 INFO L225 Difference]: With dead ends: 31 [2019-10-13 23:00:46,445 INFO L226 Difference]: Without dead ends: 25 [2019-10-13 23:00:46,446 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=44, Invalid=165, Unknown=1, NotChecked=0, Total=210 [2019-10-13 23:00:46,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-10-13 23:00:46,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-10-13 23:00:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-13 23:00:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-10-13 23:00:46,453 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 17 [2019-10-13 23:00:46,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:00:46,454 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-10-13 23:00:46,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:00:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-10-13 23:00:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 23:00:46,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:46,455 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:46,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:00:46,660 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:46,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:46,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1953343550, now seen corresponding path program 1 times [2019-10-13 23:00:46,661 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:46,661 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359469058] [2019-10-13 23:00:46,661 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:46,661 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:46,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:46,668 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:00:46,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325977591] [2019-10-13 23:00:46,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:00:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:46,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-13 23:00:46,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:00:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 23:00:46,791 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:00:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 23:00:46,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359469058] [2019-10-13 23:00:46,901 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:00:46,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325977591] [2019-10-13 23:00:46,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [324508965] [2019-10-13 23:00:46,904 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 23:00:46,904 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:00:46,904 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:00:46,905 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:00:46,905 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:00:46,922 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-13 23:00:47,314 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-10-13 23:00:47,367 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-13 23:00:47,381 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 23:00:47,381 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 23:00:47,382 INFO L193 IcfgInterpreter]: Reachable states at location L12 satisfy 189#(and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 __VERIFIER_assert_~cond)) [2019-10-13 23:00:47,382 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 198#true [2019-10-13 23:00:47,383 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 174#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1)))) [2019-10-13 23:00:47,383 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 184#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (<= 0 |__VERIFIER_assert_#in~cond|) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (<= 0 |__VERIFIER_assert_#in~cond|) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-13 23:00:47,383 INFO L193 IcfgInterpreter]: Reachable states at location L27-3 satisfy 160#(and (<= main_~k~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= main_~z~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (= 0 (+ (* main_~x~0 (- 1)) (* main_~y~0 (- 1)) (* main_~x~0 main_~z~0) 1)) (not (< main_~c~0 main_~k~0)) (<= 1 main_~c~0)) [2019-10-13 23:00:47,383 INFO L193 IcfgInterpreter]: Reachable states at location L27-2 satisfy 105#(and (<= main_~k~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= main_~z~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (<= 1 main_~c~0)) [2019-10-13 23:00:47,383 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true [2019-10-13 23:00:47,384 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true [2019-10-13 23:00:47,384 INFO L193 IcfgInterpreter]: Reachable states at location L28-1 satisfy 122#(and (<= main_~k~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= main_~z~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (= 0 (+ (* main_~x~0 (- 1)) (* main_~y~0 (- 1)) (* main_~x~0 main_~z~0) 1)) (<= 1 main_~c~0)) [2019-10-13 23:00:47,385 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 203#true [2019-10-13 23:00:47,386 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 23:00:47,387 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 110#(and (<= main_~k~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= main_~z~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (<= 1 main_~c~0)) [2019-10-13 23:00:47,388 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 169#(and (or (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)))) [2019-10-13 23:00:47,388 INFO L193 IcfgInterpreter]: Reachable states at location L41 satisfy 155#(or (exists ((v_main_~x~0_25 Int)) (and (<= main_~k~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= main_~z~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (not (< main_~c~0 main_~k~0)) (= (* v_main_~x~0_25 (+ main_~z~0 (- 1))) main_~x~0) (<= 1 main_~c~0) (= 0 (+ (* v_main_~x~0_25 main_~z~0) (* main_~y~0 (- 1)) (* v_main_~x~0_25 (- 1)) 1)))) (exists ((v_main_~x~0_26 Int)) (and (<= main_~k~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= main_~z~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (= main_~x~0 (* v_main_~x~0_26 (+ main_~z~0 (- 1)))) (not (< main_~c~0 main_~k~0)) (= 0 (+ (* main_~y~0 (- 1)) (* v_main_~x~0_26 main_~z~0) (* v_main_~x~0_26 (- 1)) 1)) (<= 1 main_~c~0)))) [2019-10-13 23:00:47,388 INFO L193 IcfgInterpreter]: Reachable states at location L11-2 satisfy 179#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (<= 0 |__VERIFIER_assert_#in~cond|) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (<= 0 |__VERIFIER_assert_#in~cond|) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-13 23:00:47,389 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 194#(and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 __VERIFIER_assert_~cond)) [2019-10-13 23:00:53,823 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-10-13 23:00:53,824 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 19 [2019-10-13 23:00:53,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405707441] [2019-10-13 23:00:53,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-13 23:00:53,826 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:00:53,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-13 23:00:53,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:00:53,827 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 19 states. [2019-10-13 23:00:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:00:57,967 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-10-13 23:00:57,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:00:57,968 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 24 [2019-10-13 23:00:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:00:57,969 INFO L225 Difference]: With dead ends: 25 [2019-10-13 23:00:57,969 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:00:57,970 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:00:57,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:00:57,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:00:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:00:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:00:57,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-13 23:00:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:00:57,971 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:00:57,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-13 23:00:57,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:00:57,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:00:58,174 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:00:58,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:00:58,236 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-13 23:00:58,236 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:00:58,236 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:00:58,236 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 23:00:58,236 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:00:58,236 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:00:58,237 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 17 43) the Hoare annotation is: true [2019-10-13 23:00:58,237 INFO L439 ceAbstractionStarter]: At program point L28(line 28) the Hoare annotation is: (and (<= main_~k~0 2147483647) (<= main_~z~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= 0 (+ main_~k~0 2147483648)) (<= 1 main_~c~0) (= (+ main_~x~0 main_~y~0) (+ (* main_~x~0 main_~z~0) 1))) [2019-10-13 23:00:58,237 INFO L443 ceAbstractionStarter]: For program point L28-1(lines 27 37) no Hoare annotation was computed. [2019-10-13 23:00:58,237 INFO L439 ceAbstractionStarter]: At program point L27-2(lines 27 37) the Hoare annotation is: (and (<= main_~k~0 2147483647) (<= main_~z~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= 0 (+ main_~k~0 2147483648)) (<= 1 main_~c~0) (= (+ main_~x~0 main_~y~0) (+ (* main_~x~0 main_~z~0) 1))) [2019-10-13 23:00:58,237 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 17 43) no Hoare annotation was computed. [2019-10-13 23:00:58,238 INFO L443 ceAbstractionStarter]: For program point L27-3(lines 27 37) no Hoare annotation was computed. [2019-10-13 23:00:58,238 INFO L439 ceAbstractionStarter]: At program point L41(line 41) the Hoare annotation is: (exists ((v_main_~x~0_26 Int)) (and (<= main_~k~0 2147483647) (<= main_~z~0 2147483647) (<= 0 (+ main_~z~0 2147483648)) (<= 0 (+ main_~k~0 2147483648)) (= main_~x~0 (* v_main_~x~0_26 (+ main_~z~0 (- 1)))) (= (+ main_~y~0 v_main_~x~0_26) (+ (* v_main_~x~0_26 main_~z~0) 1)) (<= main_~k~0 main_~c~0) (<= 1 main_~c~0))) [2019-10-13 23:00:58,238 INFO L443 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2019-10-13 23:00:58,238 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 10 16) the Hoare annotation is: true [2019-10-13 23:00:58,241 INFO L443 ceAbstractionStarter]: For program point L12(lines 12 13) no Hoare annotation was computed. [2019-10-13 23:00:58,241 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2019-10-13 23:00:58,241 INFO L443 ceAbstractionStarter]: For program point L11(lines 11 14) no Hoare annotation was computed. [2019-10-13 23:00:58,241 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 10 16) no Hoare annotation was computed. [2019-10-13 23:00:58,241 INFO L443 ceAbstractionStarter]: For program point L11-2(lines 10 16) no Hoare annotation was computed. [2019-10-13 23:00:58,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:00:58 BoogieIcfgContainer [2019-10-13 23:00:58,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:00:58,270 INFO L168 Benchmark]: Toolchain (without parser) took 16896.15 ms. Allocated memory was 138.9 MB in the beginning and 242.7 MB in the end (delta: 103.8 MB). Free memory was 103.9 MB in the beginning and 130.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:00:58,271 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 23:00:58,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 93.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:00:58,275 INFO L168 Benchmark]: Boogie Preprocessor took 133.52 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 93.9 MB in the beginning and 180.9 MB in the end (delta: -87.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:00:58,278 INFO L168 Benchmark]: RCFGBuilder took 272.34 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 168.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:00:58,280 INFO L168 Benchmark]: TraceAbstraction took 16234.46 ms. Allocated memory was 202.9 MB in the beginning and 242.7 MB in the end (delta: 39.8 MB). Free memory was 168.9 MB in the beginning and 130.8 MB in the end (delta: 38.1 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:00:58,289 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 93.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.52 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 93.9 MB in the beginning and 180.9 MB in the end (delta: -87.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 272.34 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 168.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16234.46 ms. Allocated memory was 202.9 MB in the beginning and 242.7 MB in the end (delta: 39.8 MB). Free memory was 168.9 MB in the beginning and 130.8 MB in the end (delta: 38.1 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((k <= 2147483647 && z <= 2147483647) && 0 <= z + 2147483648) && 0 <= k + 2147483648) && 1 <= c) && x + y == x * z + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Result: SAFE, OverallTime: 16.1s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 35 SDslu, 146 SDs, 0 SdLazy, 102 SolverSat, 16 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 97 SyntacticMatches, 7 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=2, 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: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 13 PreInvPairs, 19 NumberOfFragments, 103 HoareAnnotationTreeSize, 13 FomulaSimplifications, 158 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 29 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 96 ConstructedInterpolants, 2 QuantifiedInterpolants, 5534 SizeOfPredicates, 18 NumberOfNonLiveVariables, 143 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 21/26 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 965, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 75, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 31, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 79, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 32, TOOLS_QUANTIFIERELIM_APPLICATIONS: 76, TOOLS_QUANTIFIERELIM_TIME[ms]: 107, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 78, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 63, DOMAIN_JOIN_TIME[ms]: 605, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 50, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME[ms]: 48, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 272, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 270, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 35, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 194, DAG_COMPRESSION_RETAINED_NODES: 109, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...