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/reducercommutativity/avg10-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:19:48,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:19:48,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:19:48,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:19:48,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:19:48,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:19:48,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:19:48,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:19:48,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:19:48,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:19:48,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:19:48,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:19:48,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:19:48,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:19:48,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:19:48,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:19:48,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:19:48,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:19:48,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:19:48,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:19:48,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:19:48,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:19:48,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:19:48,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:19:48,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:19:48,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:19:48,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:19:48,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:19:48,797 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 23:19:48,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:19:48,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:19:48,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:19:48,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:19:48,833 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:19:48,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:19:48,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:19:48,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:19:48,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:19:48,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:19:48,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:19:48,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:19:48,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:19:48,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:19:48,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:19:48,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:19:48,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:19:48,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:19:48,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:19:48,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:19:48,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:19:48,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:19:48,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:19:48,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:19:48,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:19:48,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:19:48,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:19:48,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:19:48,838 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 23:19:49,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:19:49,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:19:49,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:19:49,150 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:19:49,151 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:19:49,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg10-2.i [2019-10-13 23:19:49,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729cab418/c242b5e3dc3e40b4b4a9bc47a0d8783a/FLAG6c783318c [2019-10-13 23:19:49,730 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:19:49,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg10-2.i [2019-10-13 23:19:49,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729cab418/c242b5e3dc3e40b4b4a9bc47a0d8783a/FLAG6c783318c [2019-10-13 23:19:50,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729cab418/c242b5e3dc3e40b4b4a9bc47a0d8783a [2019-10-13 23:19:50,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:19:50,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:19:50,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:19:50,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:19:50,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:19:50,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa87bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50, skipping insertion in model container [2019-10-13 23:19:50,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,124 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:19:50,145 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:19:50,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:19:50,422 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:19:50,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:19:50,576 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:19:50,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50 WrapperNode [2019-10-13 23:19:50,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:19:50,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:19:50,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:19:50,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:19:50,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (1/1) ... [2019-10-13 23:19:50,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:19:50,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:19:50,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:19:50,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:19:50,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (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 23:19:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:19:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:19:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-10-13 23:19:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:19:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:19:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:19:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-10-13 23:19:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:19:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:19:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:19:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:19:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:19:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:19:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:19:51,078 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:19:51,078 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-13 23:19:51,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:19:51 BoogieIcfgContainer [2019-10-13 23:19:51,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:19:51,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:19:51,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:19:51,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:19:51,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:19:50" (1/3) ... [2019-10-13 23:19:51,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570befd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:19:51, skipping insertion in model container [2019-10-13 23:19:51,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:50" (2/3) ... [2019-10-13 23:19:51,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570befd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:19:51, skipping insertion in model container [2019-10-13 23:19:51,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:19:51" (3/3) ... [2019-10-13 23:19:51,089 INFO L109 eAbstractionObserver]: Analyzing ICFG avg10-2.i [2019-10-13 23:19:51,096 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:19:51,105 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:19:51,115 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:19:51,139 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:19:51,139 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:19:51,139 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:19:51,139 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:19:51,139 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:19:51,139 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:19:51,140 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:19:51,140 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:19:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-10-13 23:19:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 23:19:51,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:19:51,162 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:19:51,164 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:19:51,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:19:51,170 INFO L82 PathProgramCache]: Analyzing trace with hash 2112018211, now seen corresponding path program 1 times [2019-10-13 23:19:51,179 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:19:51,179 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159964851] [2019-10-13 23:19:51,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:51,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:51,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:19:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:19:51,378 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159964851] [2019-10-13 23:19:51,379 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:19:51,379 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:19:51,380 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967701948] [2019-10-13 23:19:51,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:19:51,385 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:19:51,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:19:51,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:19:51,398 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2019-10-13 23:19:51,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:19:51,432 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2019-10-13 23:19:51,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:19:51,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-13 23:19:51,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:19:51,441 INFO L225 Difference]: With dead ends: 41 [2019-10-13 23:19:51,441 INFO L226 Difference]: Without dead ends: 20 [2019-10-13 23:19:51,444 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:19:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-13 23:19:51,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-10-13 23:19:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-13 23:19:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-10-13 23:19:51,483 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 24 [2019-10-13 23:19:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:19:51,484 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-10-13 23:19:51,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:19:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-10-13 23:19:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 23:19:51,487 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:19:51,487 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:19:51,487 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:19:51,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:19:51,488 INFO L82 PathProgramCache]: Analyzing trace with hash -2049651994, now seen corresponding path program 1 times [2019-10-13 23:19:51,488 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:19:51,488 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173205432] [2019-10-13 23:19:51,489 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:51,489 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:51,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:19:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 23:19:51,580 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173205432] [2019-10-13 23:19:51,580 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688130020] [2019-10-13 23:19:51,580 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 23:19:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:51,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 23:19:51,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:19:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 23:19:51,724 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:19:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 23:19:51,776 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:19:51,776 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 5 [2019-10-13 23:19:51,776 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225733633] [2019-10-13 23:19:51,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:19:51,778 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:19:51,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:19:51,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:19:51,779 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 3 states. [2019-10-13 23:19:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:19:51,795 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2019-10-13 23:19:51,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:19:51,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-13 23:19:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:19:51,797 INFO L225 Difference]: With dead ends: 33 [2019-10-13 23:19:51,797 INFO L226 Difference]: Without dead ends: 21 [2019-10-13 23:19:51,798 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:19:51,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-13 23:19:51,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-13 23:19:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-13 23:19:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-10-13 23:19:51,805 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 25 [2019-10-13 23:19:51,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:19:51,805 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-10-13 23:19:51,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:19:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-10-13 23:19:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 23:19:51,807 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:19:51,807 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:19:52,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:19:52,013 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:19:52,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:19:52,014 INFO L82 PathProgramCache]: Analyzing trace with hash -575014574, now seen corresponding path program 1 times [2019-10-13 23:19:52,015 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:19:52,015 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428394156] [2019-10-13 23:19:52,015 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:52,016 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:52,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:19:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:52,149 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:19:52,150 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428394156] [2019-10-13 23:19:52,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:19:52,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:19:52,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389230945] [2019-10-13 23:19:52,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:19:52,151 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:19:52,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:19:52,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:19:52,153 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-10-13 23:19:52,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:19:52,165 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-10-13 23:19:52,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:19:52,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-13 23:19:52,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:19:52,168 INFO L225 Difference]: With dead ends: 31 [2019-10-13 23:19:52,168 INFO L226 Difference]: Without dead ends: 22 [2019-10-13 23:19:52,169 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:19:52,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-13 23:19:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-13 23:19:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-13 23:19:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-10-13 23:19:52,180 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 28 [2019-10-13 23:19:52,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:19:52,182 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-10-13 23:19:52,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:19:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-10-13 23:19:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 23:19:52,185 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:19:52,186 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:19:52,186 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:19:52,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:19:52,187 INFO L82 PathProgramCache]: Analyzing trace with hash -202958309, now seen corresponding path program 1 times [2019-10-13 23:19:52,187 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:19:52,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18049637] [2019-10-13 23:19:52,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:52,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:52,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:19:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:19:52,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18049637] [2019-10-13 23:19:52,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297502442] [2019-10-13 23:19:52,300 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 23:19:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:52,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:19:52,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:19:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:19:52,432 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:19:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:19:52,480 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [70787329] [2019-10-13 23:19:52,523 INFO L162 IcfgInterpreter]: Started Sifa with 19 locations of interest [2019-10-13 23:19:52,523 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:19:52,533 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:19:52,547 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:19:52,548 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:19:52,728 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-13 23:20:11,141 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_58| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:20:11,738 INFO L199 IcfgInterpreter]: Interpreting procedure avg with input of size 1 for LOIs [2019-10-13 23:20:11,776 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 23:20:11,779 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 23:20:11,780 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 23:20:11,780 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 695#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 23:20:11,781 INFO L193 IcfgInterpreter]: Reachable states at location L36-1 satisfy 460#true [2019-10-13 23:20:11,781 INFO L193 IcfgInterpreter]: Reachable states at location L36 satisfy 602#(and (not (< main_~i~2 9)) (<= 9 main_~i~2) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)) [2019-10-13 23:20:11,782 INFO L193 IcfgInterpreter]: Reachable states at location L9-3 satisfy 686#(<= 0 avg_~i~0) [2019-10-13 23:20:11,782 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 23:20:11,782 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 23:20:11,783 INFO L193 IcfgInterpreter]: Reachable states at location L27 satisfy 120#(or (exists ((v_avg_~ret~0_BEFORE_RETURN_1 Int) (v_prenex_1 Int)) (or (and (= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 10) 1) 4294967296) |main_#t~ret4|) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 10) 1) 4294967296) 2147483647) (not (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_1 10))) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) 2147483647)) (< v_avg_~ret~0_BEFORE_RETURN_1 0) (not (< main_~i~1 10))) (and (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) 2147483647)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 10) 1) 4294967296) 2147483647)) (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_1 10)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 10))) (and (<= (mod (div v_prenex_1 10) 4294967296) 2147483647) (not (< v_prenex_1 0)) (<= (mod (+ (div v_prenex_1 10) 1) 4294967296) 2147483647) (= (mod (div v_prenex_1 10) 4294967296) |main_#t~ret4|) (not (< main_~i~1 10))) (and (not (= 0 (mod v_prenex_1 10))) (<= (mod (div v_prenex_1 10) 4294967296) 2147483647) (< v_prenex_1 0) (not (<= (mod (+ (div v_prenex_1 10) 1) 4294967296) 2147483647)) (= (+ (mod (+ (div v_prenex_1 10) 1) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 10))) (and (not (< v_avg_~ret~0_BEFORE_RETURN_1 0)) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) 2147483647)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 10) 1) 4294967296) 2147483647)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 10))) (and (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 10) 1) 4294967296) 2147483647) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) 2147483647)) (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_1 10)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 10))) (and (<= (mod (div v_prenex_1 10) 4294967296) 2147483647) (not (< v_prenex_1 0)) (not (<= (mod (+ (div v_prenex_1 10) 1) 4294967296) 2147483647)) (= (mod (div v_prenex_1 10) 4294967296) |main_#t~ret4|) (not (< main_~i~1 10))) (and (<= (mod (div v_prenex_1 10) 4294967296) 2147483647) (not (<= (mod (+ (div v_prenex_1 10) 1) 4294967296) 2147483647)) (= (mod (div v_prenex_1 10) 4294967296) |main_#t~ret4|) (= 0 (mod v_prenex_1 10)) (not (< main_~i~1 10))) (and (not (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_1 10))) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) 2147483647)) (< v_avg_~ret~0_BEFORE_RETURN_1 0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 10) 1) 4294967296) 2147483647)) (= (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 10) 1) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 10))) (and (<= (mod (div v_prenex_1 10) 4294967296) 2147483647) (<= (mod (+ (div v_prenex_1 10) 1) 4294967296) 2147483647) (= (mod (div v_prenex_1 10) 4294967296) |main_#t~ret4|) (= 0 (mod v_prenex_1 10)) (not (< main_~i~1 10))) (and (not (= 0 (mod v_prenex_1 10))) (<= (mod (div v_prenex_1 10) 4294967296) 2147483647) (< v_prenex_1 0) (<= (mod (+ (div v_prenex_1 10) 1) 4294967296) 2147483647) (not (< main_~i~1 10)) (= (mod (+ (div v_prenex_1 10) 1) 4294967296) |main_#t~ret4|)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_1 0)) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 10) 1) 4294967296) 2147483647) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) 2147483647)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_1 10) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 10))))) (exists ((v_avg_~ret~0_BEFORE_RETURN_2 Int) (v_prenex_2 Int)) (or (and (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_2 10)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 10) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 10) 4294967296) 2147483647)) (not (< main_~i~1 10))) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 10) 4294967296) 2147483647) (= |main_#t~ret4| (mod (div v_avg_~ret~0_BEFORE_RETURN_2 10) 4294967296)) (not (< main_~i~1 10))) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 10) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 10) 4294967296) 2147483647)) (not (< main_~i~1 10))) (and (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_2 10)) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 10) 4294967296) 2147483647) (= |main_#t~ret4| (mod (div v_avg_~ret~0_BEFORE_RETURN_2 10) 4294967296)) (not (< main_~i~1 10))) (and (not (= 0 (mod v_prenex_2 10))) (not (<= (mod (+ (div v_prenex_2 10) 1) 4294967296) 2147483647)) (< v_prenex_2 0) (= (+ (mod (+ (div v_prenex_2 10) 1) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 10))) (and (not (= 0 (mod v_prenex_2 10))) (<= (mod (+ (div v_prenex_2 10) 1) 4294967296) 2147483647) (< v_prenex_2 0) (not (< main_~i~1 10)) (= |main_#t~ret4| (mod (+ (div v_prenex_2 10) 1) 4294967296)))))) [2019-10-13 23:20:11,783 INFO L193 IcfgInterpreter]: Reachable states at location L38 satisfy 399#true [2019-10-13 23:20:11,783 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 700#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 23:20:11,783 INFO L193 IcfgInterpreter]: Reachable states at location avgEXIT satisfy 691#(and (<= 10 avg_~i~0) (<= 0 avg_~i~0) (not (< avg_~i~0 10)) (= (ite (<= (mod (ite (and (not (= (mod avg_~ret~0 10) 0)) (< avg_~ret~0 0)) (+ (div avg_~ret~0 10) 1) (div avg_~ret~0 10)) 4294967296) 2147483647) (mod (ite (and (not (= (mod avg_~ret~0 10) 0)) (< avg_~ret~0 0)) (+ (div avg_~ret~0 10) 1) (div avg_~ret~0 10)) 4294967296) (+ (mod (ite (and (not (= (mod avg_~ret~0 10) 0)) (< avg_~ret~0 0)) (+ (div avg_~ret~0 10) 1) (div avg_~ret~0 10)) 4294967296) (- 4294967296))) |avg_#res|)) [2019-10-13 23:20:11,784 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 23:20:11,784 INFO L193 IcfgInterpreter]: Reachable states at location L39 satisfy 323#(or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) [2019-10-13 23:20:11,784 INFO L193 IcfgInterpreter]: Reachable states at location L30-1 satisfy 634#true [2019-10-13 23:20:11,784 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 597#true [2019-10-13 23:20:11,785 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 239#(or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) [2019-10-13 23:20:11,798 INFO L193 IcfgInterpreter]: Reachable states at location L23-4 satisfy 73#(and (<= 10 main_~i~1) (not (< main_~i~1 10))) [2019-10-13 23:20:11,799 INFO L193 IcfgInterpreter]: Reachable states at location avgENTRY satisfy 648#true [2019-10-13 23:20:11,800 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 639#true [2019-10-13 23:20:11,802 INFO L193 IcfgInterpreter]: Reachable states at location L23-3 satisfy 68#true [2019-10-13 23:20:12,104 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 23:20:12,104 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 11] total 17 [2019-10-13 23:20:12,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003526114] [2019-10-13 23:20:12,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-13 23:20:12,106 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:20:12,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-13 23:20:12,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2019-10-13 23:20:12,108 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 17 states.