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/ps5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:00:53,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:00:53,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:00:53,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:00:53,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:00:53,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:00:53,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:00:53,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:00:53,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:00:53,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:00:53,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:00:53,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:00:53,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:00:53,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:00:53,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:00:53,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:00:53,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:00:53,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:00:53,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:00:53,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:00:53,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:00:53,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:00:53,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:00:53,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:00:53,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:00:53,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:00:53,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:00:53,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:00:53,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:00:53,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:00:53,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:00:53,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:00:53,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:00:53,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:00:53,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:00:53,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:00:53,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:00:53,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:00:53,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:00:53,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:00:53,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:00:53,947 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 23:00:53,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:00:53,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:00:53,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:00:53,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:00:53,984 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:00:53,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:00:53,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:00:53,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:00:53,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:00:53,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:00:53,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:00:53,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:00:53,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:00:53,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:00:53,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:00:53,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:00:53,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:00:53,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:00:53,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:00:53,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:00:53,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:00:53,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:00:53,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:00:53,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:00:53,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:00:53,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:00:53,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:00:53,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:00:53,993 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 23:00:54,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:00:54,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:00:54,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:00:54,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:00:54,316 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:00:54,317 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps5.c [2019-10-13 23:00:54,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974716c86/5ba92d09256e4c43b372b884528c0438/FLAG3be2fb95b [2019-10-13 23:00:54,844 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:00:54,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps5.c [2019-10-13 23:00:54,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974716c86/5ba92d09256e4c43b372b884528c0438/FLAG3be2fb95b [2019-10-13 23:00:55,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974716c86/5ba92d09256e4c43b372b884528c0438 [2019-10-13 23:00:55,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:00:55,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:00:55,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:00:55,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:00:55,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:00:55,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c3b94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55, skipping insertion in model container [2019-10-13 23:00:55,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,251 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:00:55,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:00:55,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:00:55,487 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:00:55,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:00:55,535 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:00:55,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55 WrapperNode [2019-10-13 23:00:55,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:00:55,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:00:55,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:00:55,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:00:55,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (1/1) ... [2019-10-13 23:00:55,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:00:55,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:00:55,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:00:55,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:00:55,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (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 23:00:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:00:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:00:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 23:00:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:00:55,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:00:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:00:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 23:00:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 23:00:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:00:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:00:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:00:55,921 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:00:55,922 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:00:55,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:00:55 BoogieIcfgContainer [2019-10-13 23:00:55,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:00:55,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:00:55,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:00:55,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:00:55,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:00:55" (1/3) ... [2019-10-13 23:00:55,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10330c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:00:55, skipping insertion in model container [2019-10-13 23:00:55,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:55" (2/3) ... [2019-10-13 23:00:55,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10330c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:00:55, skipping insertion in model container [2019-10-13 23:00:55,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:00:55" (3/3) ... [2019-10-13 23:00:55,950 INFO L109 eAbstractionObserver]: Analyzing ICFG ps5.c [2019-10-13 23:00:55,976 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:00:55,984 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:00:56,011 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:00:56,038 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:00:56,039 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:00:56,039 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:00:56,039 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:00:56,039 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:00:56,039 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:00:56,039 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:00:56,040 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:00:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-13 23:00:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-13 23:00:56,068 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:56,069 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:56,070 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:56,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:56,075 INFO L82 PathProgramCache]: Analyzing trace with hash -122887910, now seen corresponding path program 1 times [2019-10-13 23:00:56,082 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:56,082 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854910240] [2019-10-13 23:00:56,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:56,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:56,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:56,172 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 23:00:56,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854910240] [2019-10-13 23:00:56,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:00:56,174 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:00:56,174 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248687282] [2019-10-13 23:00:56,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:00:56,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:00:56,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:00:56,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:00:56,192 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-10-13 23:00:56,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:00:56,215 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2019-10-13 23:00:56,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:00:56,217 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-13 23:00:56,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:00:56,227 INFO L225 Difference]: With dead ends: 35 [2019-10-13 23:00:56,227 INFO L226 Difference]: Without dead ends: 16 [2019-10-13 23:00:56,230 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:00:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-13 23:00:56,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-13 23:00:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-13 23:00:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2019-10-13 23:00:56,266 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 10 [2019-10-13 23:00:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:00:56,267 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2019-10-13 23:00:56,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:00:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-10-13 23:00:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-13 23:00:56,269 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:56,269 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:56,269 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:56,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:56,270 INFO L82 PathProgramCache]: Analyzing trace with hash -156194248, now seen corresponding path program 1 times [2019-10-13 23:00:56,270 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:56,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964039274] [2019-10-13 23:00:56,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:56,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:56,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:56,278 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:00:56,279 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019959910] [2019-10-13 23:00:56,279 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 23:00:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:56,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-13 23:00:56,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:00:56,398 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 23:00:56,399 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:00:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:00:56,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964039274] [2019-10-13 23:00:56,557 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:00:56,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019959910] [2019-10-13 23:00:56,557 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:00:56,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-13 23:00:56,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824291239] [2019-10-13 23:00:56,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:00:56,560 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:00:56,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:00:56,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:00:56,561 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 8 states. [2019-10-13 23:00:56,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:00:56,857 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2019-10-13 23:00:56,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:00:56,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-10-13 23:00:56,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:00:56,859 INFO L225 Difference]: With dead ends: 27 [2019-10-13 23:00:56,859 INFO L226 Difference]: Without dead ends: 21 [2019-10-13 23:00:56,861 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:00:56,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-13 23:00:56,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-13 23:00:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-13 23:00:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-13 23:00:56,869 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 10 [2019-10-13 23:00:56,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:00:56,869 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-13 23:00:56,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:00:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-13 23:00:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 23:00:56,871 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:56,871 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:57,084 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:00:57,085 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:57,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:57,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1054216485, now seen corresponding path program 1 times [2019-10-13 23:00:57,086 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:57,087 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842923453] [2019-10-13 23:00:57,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:57,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:57,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:57,096 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:00:57,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778520933] [2019-10-13 23:00:57,097 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 23:00:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:57,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 20 conjunts are in the unsatisfiable core [2019-10-13 23:00:57,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:00:59,201 WARN L860 $PredicateComparison]: unable to prove that (and (= c_main_~y~0 0) (= 0 (mod (+ (* (* (* (* c_main_~y~0 10) c_main_~y~0) c_main_~y~0) 29) c_main_~y~0 (* (* (* (* (* c_main_~y~0 15) c_main_~y~0) c_main_~y~0) c_main_~y~0) 29) (* (* (* (* (* (* c_main_~y~0 6) c_main_~y~0) c_main_~y~0) c_main_~y~0) c_main_~y~0) 29)) (- 30))) (= c_main_~c~0 0)) is different from true [2019-10-13 23:01:01,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:01:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 1 not checked. [2019-10-13 23:01:01,320 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:01:03,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:01:05,515 WARN L838 $PredicateComparison]: unable to prove that (or (not (= 0 (mod (+ (* (* (* (* c_main_~y~0 10) c_main_~y~0) c_main_~y~0) 29) c_main_~y~0 (* (* (* (* (* c_main_~y~0 15) c_main_~y~0) c_main_~y~0) c_main_~y~0) 29) (* (* (* (* (* (* c_main_~y~0 6) c_main_~y~0) c_main_~y~0) c_main_~y~0) c_main_~y~0) 29)) (- 30)))) (forall ((main_~k~0 Int)) (or (< (+ c_main_~c~0 1) main_~k~0) (let ((.cse0 (+ c_main_~y~0 1))) (= (* main_~k~0 .cse0) (* .cse0 .cse0))) (<= main_~k~0 c_main_~c~0)))) is different from false [2019-10-13 23:01:05,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:01:07,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:01:11,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:01:17,677 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((main_~k~0 Int) (v_main_~y~0_BEFORE_CALL_8 Int)) (or (= 0 (mod (+ (* (* (* (* v_main_~y~0_BEFORE_CALL_8 10) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) 29) (* (* (* (* (* (* v_main_~y~0_BEFORE_CALL_8 6) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) 29) (* (* (* (* (* v_main_~y~0_BEFORE_CALL_8 15) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) 29) v_main_~y~0_BEFORE_CALL_8) (- 30))) (let ((.cse0 (+ v_main_~y~0_BEFORE_CALL_8 1))) (= (* .cse0 .cse0) (* main_~k~0 .cse0)))))) is different from true [2019-10-13 23:01:27,795 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((main_~k~0 Int) (v_main_~y~0_BEFORE_CALL_8 Int)) (or (= 0 (mod (+ (* (* (* (* v_main_~y~0_BEFORE_CALL_8 10) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) 29) (* (* (* (* (* (* v_main_~y~0_BEFORE_CALL_8 6) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) 29) (* (* (* (* (* v_main_~y~0_BEFORE_CALL_8 15) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) v_main_~y~0_BEFORE_CALL_8) 29) v_main_~y~0_BEFORE_CALL_8) (- 30))) (let ((.cse0 (+ v_main_~y~0_BEFORE_CALL_8 1))) (= (* .cse0 .cse0) (* main_~k~0 .cse0))))) (= 0 c___VERIFIER_assert_~cond)) is different from true [2019-10-13 23:01:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 1 refuted. 6 times theorem prover too weak. 6 trivial. 3 not checked. [2019-10-13 23:01:27,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842923453] [2019-10-13 23:01:27,818 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:01:27,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778520933] [2019-10-13 23:01:27,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [985339557] [2019-10-13 23:01:27,871 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 23:01:27,871 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:01:27,878 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:01:27,887 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:01:27,888 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:01:27,957 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-13 23:01:34,627 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2019-10-13 23:01:34,640 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-13 23:01:34,643 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 23:01:34,644 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 23:01:34,644 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 242#true [2019-10-13 23:01:34,644 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 228#(and (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 23:01:34,645 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 238#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 23:01:34,645 INFO L193 IcfgInterpreter]: Reachable states at location L5-2 satisfy 223#(and (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 23:01:34,645 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true [2019-10-13 23:01:34,646 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true [2019-10-13 23:01:34,646 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 247#true [2019-10-13 23:01:34,646 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 201#(and (<= main_~k~0 2147483647) (= (+ (* (* (* main_~y~0 10) main_~y~0) main_~y~0) (* main_~x~0 (- 30)) (* main_~y~0 (- 1)) (* (* (* (* main_~y~0 15) main_~y~0) main_~y~0) main_~y~0) (* (* (* (* (* main_~y~0 6) main_~y~0) main_~y~0) main_~y~0) main_~y~0)) 0) (<= 0 (+ main_~k~0 2147483648)) (not (< main_~c~0 main_~k~0)) (<= 0 main_~c~0) (<= 0 main_~y~0) (<= 0 main_~x~0)) [2019-10-13 23:01:34,647 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 23:01:34,647 INFO L193 IcfgInterpreter]: Reachable states at location L6 satisfy 233#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 23:01:34,647 INFO L193 IcfgInterpreter]: Reachable states at location L20-2 satisfy 196#(and (or (and (<= 0 main_~k~0) (<= 1 main_~x~0) (<= main_~c~0 2147483648)) (and (<= main_~c~0 0) (<= 0 main_~c~0) (<= 0 main_~y~0) (<= main_~x~0 0) (<= 0 main_~x~0) (<= main_~y~0 0))) (or (and (= main_~y~0 0) (<= main_~k~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (= main_~x~0 0) (<= main_~c~0 0) (= main_~c~0 0) (<= 0 main_~c~0) (<= 0 main_~y~0) (<= main_~x~0 0) (<= 0 main_~x~0) (<= main_~y~0 0)) (and (<= main_~k~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (<= 1 main_~y~0) (< main_~c~0 (+ main_~k~0 1)) (<= 1 main_~c~0) (= (+ (* 30 main_~x~0) main_~y~0) (+ (* (* (* (* (+ (* main_~y~0 6) (- 6)) (+ main_~y~0 (- 1))) (+ main_~y~0 (- 1))) (+ main_~y~0 (- 1))) (+ main_~y~0 (- 1))) (* (* (+ (* main_~y~0 10) (- 10)) (+ main_~y~0 (- 1))) (+ main_~y~0 (- 1))) (* (* (* (+ (* main_~y~0 15) (- 15)) (+ main_~y~0 (- 1))) (+ main_~y~0 (- 1))) (+ main_~y~0 (- 1))) (* 30 (* (* (* main_~y~0 main_~y~0) main_~y~0) main_~y~0)) 1)) (<= (* (* (* main_~y~0 main_~y~0) main_~y~0) main_~y~0) main_~x~0)))) [2019-10-13 23:01:34,648 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 218#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) [2019-10-13 23:01:34,648 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 213#true [2019-10-13 23:01:34,648 INFO L193 IcfgInterpreter]: Reachable states at location L21-1 satisfy 122#(and (<= main_~k~0 2147483647) (= (+ (* (* (* main_~y~0 10) main_~y~0) main_~y~0) (* main_~x~0 (- 30)) (* main_~y~0 (- 1)) (* (* (* (* main_~y~0 15) main_~y~0) main_~y~0) main_~y~0) (* (* (* (* (* main_~y~0 6) main_~y~0) main_~y~0) main_~y~0) main_~y~0)) 0) (<= 0 (+ main_~k~0 2147483648)) (<= 0 main_~c~0) (<= 0 main_~y~0) (<= 0 main_~x~0)) [2019-10-13 23:01:34,648 INFO L193 IcfgInterpreter]: Reachable states at location L31 satisfy 191#(and (<= main_~k~0 2147483647) (= (+ (* (* (* main_~y~0 10) main_~y~0) main_~y~0) (* main_~x~0 (- 30)) (* main_~y~0 (- 1)) (* (* (* (* main_~y~0 15) main_~y~0) main_~y~0) main_~y~0) (* (* (* (* (* main_~y~0 6) main_~y~0) main_~y~0) main_~y~0) main_~y~0)) 0) (<= 0 (+ main_~k~0 2147483648)) (not (< main_~c~0 main_~k~0)) (<= 0 main_~c~0) (<= 0 main_~y~0) (<= 0 main_~x~0)) [2019-10-13 23:01:34,649 INFO L193 IcfgInterpreter]: Reachable states at location L21 satisfy 110#(and (<= main_~k~0 2147483647) (<= 0 (+ main_~k~0 2147483648)) (<= 0 main_~c~0) (<= 0 main_~y~0) (<= 0 main_~x~0)) [2019-10-13 23:01:40,981 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55