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 0.1.24-13a467a-m [2019-10-15 03:04:28,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:04:28,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:04:28,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:04:28,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:04:28,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:04:28,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:04:28,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:04:28,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:04:28,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:04:28,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:04:28,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:04:28,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:04:28,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:04:28,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:04:28,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:04:28,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:04:28,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:04:28,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:04:28,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:04:28,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:04:28,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:04:28,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:04:28,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:04:28,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 03:04:28,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:04:28,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:04:28,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:04:28,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:04:28,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:04:28,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:04:28,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:04:28,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:04:28,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:04:28,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:04:28,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:04:28,119 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 [2019-10-15 03:04:28,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:04:28,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:04:28,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:04:28,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:04:28,136 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:04:28,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:04:28,137 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:04:28,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:04:28,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:04:28,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:04:28,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:04:28,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:04:28,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:04:28,138 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:04:28,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:04:28,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:04:28,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:04:28,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:04:28,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:04:28,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:04:28,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:04:28,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:04:28,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:04:28,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:04:28,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:04:28,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:04:28,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:04:28,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:04:28,141 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 [2019-10-15 03:04:28,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:04:28,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:04:28,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:04:28,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:04:28,522 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:04:28,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2019-10-15 03:04:28,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c5abe08/5a3bc7952af34caa99ccac9c5e905014/FLAGaef5ac4b2 [2019-10-15 03:04:29,036 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:04:29,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2019-10-15 03:04:29,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c5abe08/5a3bc7952af34caa99ccac9c5e905014/FLAGaef5ac4b2 [2019-10-15 03:04:29,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c5abe08/5a3bc7952af34caa99ccac9c5e905014 [2019-10-15 03:04:29,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:04:29,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:04:29,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:04:29,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:04:29,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:04:29,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a421aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29, skipping insertion in model container [2019-10-15 03:04:29,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:04:29,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:04:29,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:04:29,623 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:04:29,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:04:29,657 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:04:29,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29 WrapperNode [2019-10-15 03:04:29,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:04:29,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:04:29,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:04:29,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:04:29,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (1/1) ... [2019-10-15 03:04:29,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:04:29,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:04:29,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:04:29,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:04:29,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (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 [2019-10-15 03:04:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:04:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:04:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 03:04:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:04:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:04:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:04:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 03:04:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 03:04:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:04:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:04:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:04:30,136 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:04:30,136 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:04:30,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:04:30 BoogieIcfgContainer [2019-10-15 03:04:30,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:04:30,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:04:30,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:04:30,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:04:30,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:04:29" (1/3) ... [2019-10-15 03:04:30,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18399f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:04:30, skipping insertion in model container [2019-10-15 03:04:30,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:04:29" (2/3) ... [2019-10-15 03:04:30,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18399f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:04:30, skipping insertion in model container [2019-10-15 03:04:30,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:04:30" (3/3) ... [2019-10-15 03:04:30,147 INFO L109 eAbstractionObserver]: Analyzing ICFG geo1.c [2019-10-15 03:04:30,160 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:04:30,169 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:04:30,181 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:04:30,207 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:04:30,207 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:04:30,208 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:04:30,208 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:04:30,210 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:04:30,211 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:04:30,211 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:04:30,211 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:04:30,230 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-15 03:04:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-15 03:04:30,235 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:04:30,236 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:04:30,238 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:04:30,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:04:30,243 INFO L82 PathProgramCache]: Analyzing trace with hash -156194248, now seen corresponding path program 1 times [2019-10-15 03:04:30,253 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:04:30,253 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301640209] [2019-10-15 03:04:30,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:04:30,254 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:04:30,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:04:30,341 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-15 03:04:30,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369298895] [2019-10-15 03:04:30,342 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 [2019-10-15 03:04:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:04:30,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-15 03:04:30,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:04:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:04:30,557 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:04:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:04:30,614 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301640209] [2019-10-15 03:04:30,615 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-15 03:04:30,615 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369298895] [2019-10-15 03:04:30,616 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:04:30,616 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-15 03:04:30,616 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846537247] [2019-10-15 03:04:30,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:04:30,622 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:04:30,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:04:30,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:04:30,639 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 8 states. [2019-10-15 03:04:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:04:30,753 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2019-10-15 03:04:30,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:04:30,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-10-15 03:04:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:04:30,765 INFO L225 Difference]: With dead ends: 43 [2019-10-15 03:04:30,766 INFO L226 Difference]: Without dead ends: 22 [2019-10-15 03:04:30,770 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 [2019-10-15 03:04:30,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-15 03:04:30,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2019-10-15 03:04:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-15 03:04:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-10-15 03:04:30,817 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10 [2019-10-15 03:04:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:04:30,818 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-10-15 03:04:30,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:04:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-10-15 03:04:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-15 03:04:30,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:04:30,820 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:04:31,025 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:04:31,025 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:04:31,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:04:31,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1377881770, now seen corresponding path program 1 times [2019-10-15 03:04:31,027 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:04:31,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333083665] [2019-10-15 03:04:31,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:04:31,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:04:31,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:04:31,036 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-15 03:04:31,036 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369902919] [2019-10-15 03:04:31,037 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 [2019-10-15 03:04:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:04:31,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-15 03:04:31,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:04:31,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:04:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:04:31,240 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:04:33,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:04:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:04:33,433 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333083665] [2019-10-15 03:04:33,434 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-15 03:04:33,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369902919] [2019-10-15 03:04:33,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1579085768] [2019-10-15 03:04:33,470 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-15 03:04:33,471 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:04:33,478 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:04:33,487 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:04:33,488 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:04:33,551 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-15 03:04:33,947 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-15 03:04:33,984 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-15 03:04:33,989 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 03:04:34,560 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 20 [2019-10-15 03:04:34,715 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:04:34,715 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 15 [2019-10-15 03:04:34,716 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140861339] [2019-10-15 03:04:34,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:04:34,720 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:04:34,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:04:34,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=165, Unknown=1, NotChecked=0, Total=210 [2019-10-15 03:04:34,722 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 7 states. [2019-10-15 03:04:38,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:04:38,876 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2019-10-15 03:04:38,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:04:38,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-10-15 03:04:38,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:04:38,878 INFO L225 Difference]: With dead ends: 31 [2019-10-15 03:04:38,878 INFO L226 Difference]: Without dead ends: 25 [2019-10-15 03:04:38,880 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=44, Invalid=165, Unknown=1, NotChecked=0, Total=210 [2019-10-15 03:04:38,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-10-15 03:04:38,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-10-15 03:04:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-15 03:04:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-10-15 03:04:38,895 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 17 [2019-10-15 03:04:38,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:04:38,896 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-10-15 03:04:38,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:04:38,899 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-10-15 03:04:38,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-15 03:04:38,900 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:04:38,901 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:04:39,105 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:04:39,114 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:04:39,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:04:39,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1953343550, now seen corresponding path program 1 times [2019-10-15 03:04:39,115 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:04:39,115 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998419008] [2019-10-15 03:04:39,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:04:39,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:04:39,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:04:39,135 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-15 03:04:39,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764467106] [2019-10-15 03:04:39,136 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 [2019-10-15 03:04:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:04:39,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-15 03:04:39,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:04:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 03:04:39,327 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:04:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 03:04:39,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998419008] [2019-10-15 03:04:39,486 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-15 03:04:39,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764467106] [2019-10-15 03:04:39,487 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [745701687] [2019-10-15 03:04:39,488 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-15 03:04:39,488 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:04:39,489 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:04:39,489 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:04:39,490 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:04:39,502 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-15 03:04:40,957 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-10-15 03:04:41,001 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-15 03:04:41,014 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 03:04:42,011 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-10-15 03:04:42,011 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 19 [2019-10-15 03:04:42,011 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916994485] [2019-10-15 03:04:42,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-15 03:04:42,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:04:42,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-15 03:04:42,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:04:42,013 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 19 states. [2019-10-15 03:04:44,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:04:44,125 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-10-15 03:04:44,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:04:44,125 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 24 [2019-10-15 03:04:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:04:44,126 INFO L225 Difference]: With dead ends: 25 [2019-10-15 03:04:44,126 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:04:44,127 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:04:44,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:04:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:04:44,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:04:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:04:44,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-15 03:04:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:04:44,128 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:04:44,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-15 03:04:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:04:44,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:04:44,329 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:04:44,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:04:44,424 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-15 03:04:44,424 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:04:44,424 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:04:44,424 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 03:04:44,425 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:04:44,425 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:04:44,425 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 17 43) the Hoare annotation is: true [2019-10-15 03:04:44,425 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))) [2019-10-15 03:04:44,425 INFO L443 ceAbstractionStarter]: For program point L28-1(lines 27 37) no Hoare annotation was computed. [2019-10-15 03:04:44,425 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))) [2019-10-15 03:04:44,426 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 17 43) no Hoare annotation was computed. [2019-10-15 03:04:44,426 INFO L443 ceAbstractionStarter]: For program point L27-3(lines 27 37) no Hoare annotation was computed. [2019-10-15 03:04:44,426 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))) [2019-10-15 03:04:44,426 INFO L443 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2019-10-15 03:04:44,426 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 10 16) the Hoare annotation is: true [2019-10-15 03:04:44,426 INFO L443 ceAbstractionStarter]: For program point L12(lines 12 13) no Hoare annotation was computed. [2019-10-15 03:04:44,427 INFO L443 ceAbstractionStarter]: For program point L11(lines 11 14) no Hoare annotation was computed. [2019-10-15 03:04:44,427 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 10 16) no Hoare annotation was computed. [2019-10-15 03:04:44,427 INFO L443 ceAbstractionStarter]: For program point L11-2(lines 10 16) no Hoare annotation was computed. [2019-10-15 03:04:44,427 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2019-10-15 03:04:44,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:04:44 BoogieIcfgContainer [2019-10-15 03:04:44,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:04:44,447 INFO L168 Benchmark]: Toolchain (without parser) took 15033.46 ms. Allocated memory was 135.8 MB in the beginning and 245.9 MB in the end (delta: 110.1 MB). Free memory was 100.8 MB in the beginning and 147.6 MB in the end (delta: -46.9 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:44,448 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 135.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 03:04:44,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.70 ms. Allocated memory is still 135.8 MB. Free memory was 100.6 MB in the beginning and 91.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:44,450 INFO L168 Benchmark]: Boogie Preprocessor took 178.67 ms. Allocated memory was 135.8 MB in the beginning and 204.5 MB in the end (delta: 68.7 MB). Free memory was 91.1 MB in the beginning and 183.4 MB in the end (delta: -92.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:44,451 INFO L168 Benchmark]: RCFGBuilder took 300.05 ms. Allocated memory is still 204.5 MB. Free memory was 183.4 MB in the beginning and 170.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:44,452 INFO L168 Benchmark]: TraceAbstraction took 14306.21 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 170.2 MB in the beginning and 147.6 MB in the end (delta: 22.6 MB). Peak memory consumption was 64.0 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:44,456 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 135.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.70 ms. Allocated memory is still 135.8 MB. Free memory was 100.6 MB in the beginning and 91.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 178.67 ms. Allocated memory was 135.8 MB in the beginning and 204.5 MB in the end (delta: 68.7 MB). Free memory was 91.1 MB in the beginning and 183.4 MB in the end (delta: -92.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.05 ms. Allocated memory is still 204.5 MB. Free memory was 183.4 MB in the beginning and 170.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14306.21 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 170.2 MB in the beginning and 147.6 MB in the end (delta: 22.6 MB). Peak memory consumption was 64.0 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: 14.2s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 35 SDslu, 146 SDs, 0 SdLazy, 103 SolverSat, 16 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 97 SyntacticMatches, 7 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 4.2s 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, 2.8s 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]: 2045, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 75, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 30, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 76, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 76, TOOLS_QUANTIFIERELIM_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 8, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 78, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 63, DOMAIN_JOIN_TIME[ms]: 612, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 51, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 1134, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME[ms]: 27, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1322, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1321, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 25, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 24, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 194, DAG_COMPRESSION_RETAINED_NODES: 113, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...