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/loops/sum03-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:00:11,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:00:11,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:00:11,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:00:11,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:00:11,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:00:11,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:00:11,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:00:11,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:00:11,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:00:11,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:00:11,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:00:11,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:00:11,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:00:11,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:00:11,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:00:11,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:00:11,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:00:11,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:00:11,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:00:11,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:00:11,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:00:11,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:00:11,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:00:11,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:00:11,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:00:11,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:00:11,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:00:11,665 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 23:00:11,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:00:11,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:00:11,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:00:11,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:00:11,681 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:00:11,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:00:11,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:00:11,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:00:11,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:00:11,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:00:11,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:00:11,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:00:11,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:00:11,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:00:11,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:00:11,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:00:11,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:00:11,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:00:11,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:00:11,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:00:11,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:00:11,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:00:11,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:00:11,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:00:11,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:00:11,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:00:11,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:00:11,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:00:11,686 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 23:00:12,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:00:12,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:00:12,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:00:12,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:00:12,053 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:00:12,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-1.i [2019-10-13 23:00:12,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0165ae5e3/490273495cd5471d91616724ccd41055/FLAG070491816 [2019-10-13 23:00:12,533 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:00:12,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-1.i [2019-10-13 23:00:12,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0165ae5e3/490273495cd5471d91616724ccd41055/FLAG070491816 [2019-10-13 23:00:12,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0165ae5e3/490273495cd5471d91616724ccd41055 [2019-10-13 23:00:12,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:00:12,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:00:12,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:00:12,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:00:12,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:00:12,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:00:12" (1/1) ... [2019-10-13 23:00:12,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ebadfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:12, skipping insertion in model container [2019-10-13 23:00:12,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:00:12" (1/1) ... [2019-10-13 23:00:12,986 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:00:13,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:00:13,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:00:13,141 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:00:13,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:00:13,168 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:00:13,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13 WrapperNode [2019-10-13 23:00:13,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:00:13,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:00:13,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:00:13,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:00:13,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (1/1) ... [2019-10-13 23:00:13,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (1/1) ... [2019-10-13 23:00:13,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (1/1) ... [2019-10-13 23:00:13,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (1/1) ... [2019-10-13 23:00:13,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (1/1) ... [2019-10-13 23:00:13,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (1/1) ... [2019-10-13 23:00:13,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (1/1) ... [2019-10-13 23:00:13,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:00:13,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:00:13,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:00:13,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:00:13,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (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 23:00:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:00:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:00:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 23:00:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:00:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:00:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 23:00:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 23:00:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:00:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:00:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:00:13,578 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:00:13,578 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:00:13,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:00:13 BoogieIcfgContainer [2019-10-13 23:00:13,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:00:13,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:00:13,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:00:13,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:00:13,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:00:12" (1/3) ... [2019-10-13 23:00:13,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@937696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:00:13, skipping insertion in model container [2019-10-13 23:00:13,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:13" (2/3) ... [2019-10-13 23:00:13,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@937696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:00:13, skipping insertion in model container [2019-10-13 23:00:13,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:00:13" (3/3) ... [2019-10-13 23:00:13,596 INFO L109 eAbstractionObserver]: Analyzing ICFG sum03-1.i [2019-10-13 23:00:13,622 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:00:13,628 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:00:13,639 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:00:13,662 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:00:13,662 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:00:13,662 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:00:13,662 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:00:13,662 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:00:13,663 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:00:13,663 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:00:13,663 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:00:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-10-13 23:00:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-13 23:00:13,682 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:13,682 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:13,684 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:13,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:13,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1736341467, now seen corresponding path program 1 times [2019-10-13 23:00:13,696 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:13,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71687989] [2019-10-13 23:00:13,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:13,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:13,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:14,086 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 23:00:14,088 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71687989] [2019-10-13 23:00:14,090 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:00:14,091 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:00:14,091 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999703102] [2019-10-13 23:00:14,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:00:14,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:00:14,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:00:14,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:00:14,116 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 6 states. [2019-10-13 23:00:14,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:00:14,439 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2019-10-13 23:00:14,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:00:14,441 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-10-13 23:00:14,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:00:14,450 INFO L225 Difference]: With dead ends: 31 [2019-10-13 23:00:14,450 INFO L226 Difference]: Without dead ends: 20 [2019-10-13 23:00:14,454 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:00:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-13 23:00:14,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-10-13 23:00:14,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-10-13 23:00:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-10-13 23:00:14,503 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10 [2019-10-13 23:00:14,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:00:14,503 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-10-13 23:00:14,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:00:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-10-13 23:00:14,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-13 23:00:14,507 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:14,508 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:14,508 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:14,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:14,510 INFO L82 PathProgramCache]: Analyzing trace with hash -239611021, now seen corresponding path program 1 times [2019-10-13 23:00:14,510 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:14,510 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62162489] [2019-10-13 23:00:14,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:14,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:14,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:00:14,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62162489] [2019-10-13 23:00:14,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719166021] [2019-10-13 23:00:14,789 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 23:00:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:14,828 WARN L254 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-13 23:00:14,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:00:14,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:14,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:15,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:00:15,072 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:00:17,168 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:19,199 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ (* c_main_~x~0 2) 2) 4294967296)) (.cse2 (mod c_main_~x~0 4294967296))) (and (let ((.cse0 (+ c_main_~sn~0 2))) (or (= (mod .cse0 4294967296) .cse1) (= 0 .cse0) (<= 10 .cse2))) (or (= .cse1 (mod c_main_~sn~0 4294967296)) (= 0 c_main_~sn~0) (< .cse2 10)))) is different from false [2019-10-13 23:00:19,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:21,271 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (* c_main_~x~0 2)) (.cse3 (mod c_main_~sn~0 4294967296)) (.cse4 (= 0 c_main_~sn~0))) (or (let ((.cse1 (mod (+ .cse5 2) 4294967296)) (.cse2 (mod c_main_~x~0 4294967296))) (and (let ((.cse0 (+ c_main_~sn~0 2))) (or (= (mod .cse0 4294967296) .cse1) (= 0 .cse0) (<= 10 .cse2))) (or (= .cse1 .cse3) .cse4 (< .cse2 10)))) (and (not (= (mod .cse5 4294967296) .cse3)) (not .cse4)))) is different from false [2019-10-13 23:00:21,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:23,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:23,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:23,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:23,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:00:25,448 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse15 (+ c_main_~sn~0 2)) (.cse14 (* c_main_~x~0 2))) (let ((.cse2 (mod (+ .cse14 4) 4294967296)) (.cse12 (mod .cse15 4294967296)) (.cse6 (= 0 .cse15)) (.cse11 (mod c_main_~x~0 4294967296)) (.cse13 (mod (+ .cse14 2) 4294967296)) (.cse10 (mod c_main_~sn~0 4294967296)) (.cse9 (= 0 c_main_~sn~0))) (let ((.cse0 (mod (+ c_main_~x~0 1) 4294967296)) (.cse7 (and (not (= .cse13 .cse10)) (not .cse9))) (.cse8 (< .cse11 10)) (.cse3 (and (not (= .cse12 .cse13)) (not .cse6))) (.cse5 (= .cse12 .cse2)) (.cse4 (<= 10 .cse11))) (and (or (<= 10 .cse0) (and (let ((.cse1 (+ c_main_~sn~0 4))) (or (= (mod .cse1 4294967296) .cse2) .cse3 (= .cse1 0) .cse4)) (or .cse5 .cse6 .cse7 .cse8))) (or (< .cse0 10) (and (or .cse7 .cse9 .cse8 (= .cse10 .cse2)) (or .cse3 .cse5 .cse6 .cse4))))))) is different from true [2019-10-13 23:00:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-10-13 23:00:25,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [968158385] [2019-10-13 23:00:25,496 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-13 23:00:25,496 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:00:25,508 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:00:25,517 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:00:25,518 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:00:25,587 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-13 23:00:25,787 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-13 23:00:25,861 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-13 23:00:25,867 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 23:00:25,867 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 23:00:25,867 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 136#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-13 23:00:25,868 INFO L193 IcfgInterpreter]: Reachable states at location L3-2 satisfy 121#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-13 23:00:25,868 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 140#true [2019-10-13 23:00:25,869 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 126#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-13 23:00:25,870 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 131#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-13 23:00:25,870 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 116#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-13 23:00:25,870 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true [2019-10-13 23:00:25,871 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true [2019-10-13 23:00:25,871 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 145#true [2019-10-13 23:00:25,871 INFO L193 IcfgInterpreter]: Reachable states at location L18-1 satisfy 107#(and (or (and (<= 1 main_~x~0) (<= 2 main_~sn~0)) (and (<= main_~sn~0 0) (<= main_~x~0 0))) (<= 0 main_~sn~0) (<= 0 main_~x~0)) [2019-10-13 23:00:25,872 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 23:00:25,875 INFO L193 IcfgInterpreter]: Reachable states at location L18 satisfy 91#(and (<= 1 main_~x~0) (<= 2 main_~sn~0)) [2019-10-13 23:00:25,875 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 111#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0))) [2019-10-13 23:00:26,091 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 23:00:26,091 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9, 7] total 23 [2019-10-13 23:00:26,091 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399712876] [2019-10-13 23:00:26,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-13 23:00:26,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:00:26,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-13 23:00:26,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=307, Unknown=4, NotChecked=114, Total=506 [2019-10-13 23:00:26,096 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 23 states. [2019-10-13 23:00:30,323 WARN L191 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 26 DAG size of output: 20 [2019-10-13 23:00:36,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:00:36,554 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2019-10-13 23:00:36,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 23:00:36,555 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2019-10-13 23:00:36,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:00:36,558 INFO L225 Difference]: With dead ends: 28 [2019-10-13 23:00:36,558 INFO L226 Difference]: Without dead ends: 26 [2019-10-13 23:00:36,560 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=97, Invalid=373, Unknown=4, NotChecked=126, Total=600 [2019-10-13 23:00:36,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-13 23:00:36,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-10-13 23:00:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-13 23:00:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2019-10-13 23:00:36,574 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 16 [2019-10-13 23:00:36,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:00:36,574 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2019-10-13 23:00:36,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-13 23:00:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2019-10-13 23:00:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 23:00:36,576 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:00:36,577 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:00:36,777 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:00:36,778 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:00:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:00:36,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1698114397, now seen corresponding path program 2 times [2019-10-13 23:00:36,779 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:00:36,780 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518998514] [2019-10-13 23:00:36,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:36,781 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:00:36,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:00:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:00:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:00:37,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518998514] [2019-10-13 23:00:37,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756744572] [2019-10-13 23:00:37,099 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 23:00:37,159 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-10-13 23:00:37,160 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 23:00:37,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-13 23:00:37,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:00:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 23:00:37,344 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:00:41,414 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ (* c_main_~x~0 2) 2) 4294967296)) (.cse2 (mod c_main_~x~0 4294967296))) (and (let ((.cse0 (+ c_main_~sn~0 2))) (or (= (mod .cse0 4294967296) .cse1) (= 0 .cse0) (<= 10 .cse2))) (or (= .cse1 (mod c_main_~sn~0 4294967296)) (= 0 c_main_~sn~0) (< .cse2 10)))) is different from true [2019-10-13 23:01:01,255 WARN L191 SmtUtils]: Spent 13.60 s on a formula simplification. DAG size of input: 28 DAG size of output: 26