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/array-tiling/pr2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 00:44:17,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 00:44:17,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 00:44:17,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 00:44:17,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 00:44:17,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 00:44:17,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 00:44:17,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 00:44:17,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 00:44:17,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 00:44:17,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 00:44:17,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 00:44:17,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 00:44:17,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 00:44:17,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 00:44:17,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 00:44:17,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 00:44:17,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 00:44:17,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 00:44:17,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 00:44:17,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 00:44:17,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 00:44:17,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 00:44:17,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 00:44:17,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 00:44:17,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 00:44:17,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 00:44:17,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 00:44:17,811 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 [2019-10-07 00:44:17,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 00:44:17,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 00:44:17,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 00:44:17,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 00:44:17,826 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 00:44:17,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 00:44:17,826 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 00:44:17,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 00:44:17,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 00:44:17,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 00:44:17,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 00:44:17,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 00:44:17,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 00:44:17,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 00:44:17,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 00:44:17,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 00:44:17,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 00:44:17,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 00:44:17,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 00:44:17,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 00:44:17,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 00:44:17,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 00:44:17,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 00:44:17,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 00:44:17,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 00:44:17,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 00:44:17,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 00:44:17,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 00:44:17,832 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 [2019-10-07 00:44:18,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 00:44:18,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 00:44:18,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 00:44:18,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 00:44:18,191 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 00:44:18,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pr2.c [2019-10-07 00:44:18,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da66fd321/76b93b7a2f6c4c129c3285476f866aa7/FLAGfdbb4ed6b [2019-10-07 00:44:18,625 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 00:44:18,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/pr2.c [2019-10-07 00:44:18,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da66fd321/76b93b7a2f6c4c129c3285476f866aa7/FLAGfdbb4ed6b [2019-10-07 00:44:18,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da66fd321/76b93b7a2f6c4c129c3285476f866aa7 [2019-10-07 00:44:18,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 00:44:18,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 00:44:18,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 00:44:18,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 00:44:18,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 00:44:18,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:44:18" (1/1) ... [2019-10-07 00:44:19,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5228e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19, skipping insertion in model container [2019-10-07 00:44:19,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:44:18" (1/1) ... [2019-10-07 00:44:19,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 00:44:19,027 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 00:44:19,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:44:19,203 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 00:44:19,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:44:19,252 INFO L192 MainTranslator]: Completed translation [2019-10-07 00:44:19,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19 WrapperNode [2019-10-07 00:44:19,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 00:44:19,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 00:44:19,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 00:44:19,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 00:44:19,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (1/1) ... [2019-10-07 00:44:19,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (1/1) ... [2019-10-07 00:44:19,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (1/1) ... [2019-10-07 00:44:19,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (1/1) ... [2019-10-07 00:44:19,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (1/1) ... [2019-10-07 00:44:19,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (1/1) ... [2019-10-07 00:44:19,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (1/1) ... [2019-10-07 00:44:19,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 00:44:19,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 00:44:19,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 00:44:19,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 00:44:19,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (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 [2019-10-07 00:44:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 00:44:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 00:44:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-07 00:44:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 00:44:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 00:44:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 00:44:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 00:44:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 00:44:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 00:44:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 00:44:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 00:44:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 00:44:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 00:44:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 00:44:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 00:44:19,891 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 00:44:19,891 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-07 00:44:19,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:44:19 BoogieIcfgContainer [2019-10-07 00:44:19,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 00:44:19,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 00:44:19,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 00:44:19,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 00:44:19,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:44:18" (1/3) ... [2019-10-07 00:44:19,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0d196f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:44:19, skipping insertion in model container [2019-10-07 00:44:19,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:44:19" (2/3) ... [2019-10-07 00:44:19,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0d196f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:44:19, skipping insertion in model container [2019-10-07 00:44:19,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:44:19" (3/3) ... [2019-10-07 00:44:19,900 INFO L109 eAbstractionObserver]: Analyzing ICFG pr2.c [2019-10-07 00:44:19,910 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 00:44:19,917 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 00:44:19,926 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 00:44:19,950 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 00:44:19,950 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 00:44:19,950 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 00:44:19,950 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 00:44:19,951 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 00:44:19,951 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 00:44:19,951 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 00:44:19,951 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 00:44:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-10-07 00:44:19,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 00:44:19,972 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:44:19,973 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:44:19,975 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:44:19,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:44:19,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1554635187, now seen corresponding path program 1 times [2019-10-07 00:44:19,987 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:44:19,987 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:19,987 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:19,987 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:44:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:44:20,195 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:20,195 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:44:20,196 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 00:44:20,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 00:44:20,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 00:44:20,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 00:44:20,216 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 4 states. [2019-10-07 00:44:20,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:44:20,293 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2019-10-07 00:44:20,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 00:44:20,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-07 00:44:20,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:44:20,304 INFO L225 Difference]: With dead ends: 42 [2019-10-07 00:44:20,304 INFO L226 Difference]: Without dead ends: 18 [2019-10-07 00:44:20,307 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 00:44:20,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-10-07 00:44:20,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-10-07 00:44:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-07 00:44:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-10-07 00:44:20,339 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2019-10-07 00:44:20,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:44:20,340 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-10-07 00:44:20,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 00:44:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-10-07 00:44:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-07 00:44:20,341 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:44:20,341 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:44:20,342 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:44:20,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:44:20,342 INFO L82 PathProgramCache]: Analyzing trace with hash 3214725, now seen corresponding path program 1 times [2019-10-07 00:44:20,343 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:44:20,343 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:20,343 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:20,343 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:44:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:44:20,769 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:20,772 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:44:20,773 INFO L95 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 [2019-10-07 00:44:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:20,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-07 00:44:20,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:44:20,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:20,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:20,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,002 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:21,002 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 00:44:21,132 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-10-07 00:44:21,133 INFO L567 ElimStorePlain]: treesize reduction 3, result has 96.3 percent of original size [2019-10-07 00:44:21,142 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:44:21,158 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2019-10-07 00:44:21,159 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 00:44:21,204 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:44:21,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:44:21,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:44:21,221 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2019-10-07 00:44:21,221 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 00:44:21,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:44:21,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:44:21,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:44:21,288 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2019-10-07 00:44:21,288 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 00:44:21,331 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:44:21,333 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-10-07 00:44:21,334 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:111, output treesize:80 [2019-10-07 00:44:21,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 00:44:21,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:44:21,537 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:44:21,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,644 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 68 [2019-10-07 00:44:21,649 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-07 00:44:21,658 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-07 00:44:21,665 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 78 [2019-10-07 00:44:21,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:44:21,672 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 00:44:21,681 INFO L567 ElimStorePlain]: treesize reduction 27, result has 22.9 percent of original size [2019-10-07 00:44:21,682 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-07 00:44:21,691 INFO L567 ElimStorePlain]: treesize reduction 132, result has 5.7 percent of original size [2019-10-07 00:44:21,691 INFO L464 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2019-10-07 00:44:21,691 INFO L464 ElimStorePlain]: Eliminatee |#memory_int| vanished before elimination [2019-10-07 00:44:21,692 INFO L464 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2019-10-07 00:44:21,692 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 00:44:21,692 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:206, output treesize:8 [2019-10-07 00:44:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:44:21,725 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:44:21,767 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-10-07 00:44:21,769 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:44:21,776 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:44:21,787 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:44:21,788 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:44:21,909 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:44:22,230 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:22,450 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 150 [2019-10-07 00:44:22,466 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:22,480 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:22,494 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:22,598 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-07 00:44:22,635 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:22,768 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-07 00:44:22,806 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:23,126 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:23,217 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:23,278 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:23,290 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:23,301 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:23,362 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:23,517 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2019-10-07 00:44:23,537 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:44:23,544 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:44:23,545 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:44:23,545 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:23,545 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 127#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= main_~i~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= main_~i~0 0)) [2019-10-07 00:44:23,546 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 142#(and (<= __VERIFIER_assert_~cond 0) (exists ((|v_main_~#volArray~0.base_BEFORE_CALL_1| Int)) (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (< 0 ~CELLCOUNT~0) (not (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 0))) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (< 0 ~CELLCOUNT~0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 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)) [2019-10-07 00:44:23,546 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 151#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:44:23,547 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 137#(and (exists ((|v_main_~#volArray~0.base_BEFORE_CALL_1| Int)) (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (< 0 ~CELLCOUNT~0) (not (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 0))) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (< 0 ~CELLCOUNT~0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-07 00:44:23,547 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:23,547 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:23,547 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 156#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:23,548 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:44:23,548 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 119#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= main_~i~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= main_~i~0 0)) [2019-10-07 00:44:23,548 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:23,549 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (<= 1 main_~i~0) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:44:23,549 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 132#(exists ((|v_main_~#volArray~0.base_BEFORE_CALL_1| Int)) (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (< 0 ~CELLCOUNT~0) (not (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 0))) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (< 0 ~CELLCOUNT~0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:23,550 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 147#(and (<= __VERIFIER_assert_~cond 0) (exists ((|v_main_~#volArray~0.base_BEFORE_CALL_1| Int)) (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (< 0 ~CELLCOUNT~0) (not (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 0))) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (< 0 ~CELLCOUNT~0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 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)) [2019-10-07 00:44:24,001 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-10-07 00:44:24,160 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:44:24,160 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8, 11] total 26 [2019-10-07 00:44:24,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-07 00:44:24,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-07 00:44:24,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2019-10-07 00:44:24,174 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 26 states. [2019-10-07 00:44:24,562 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2019-10-07 00:44:24,990 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-10-07 00:44:25,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:44:25,563 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-10-07 00:44:25,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-07 00:44:25,564 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 14 [2019-10-07 00:44:25,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:44:25,565 INFO L225 Difference]: With dead ends: 34 [2019-10-07 00:44:25,565 INFO L226 Difference]: Without dead ends: 32 [2019-10-07 00:44:25,567 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=210, Invalid=1350, Unknown=0, NotChecked=0, Total=1560 [2019-10-07 00:44:25,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-07 00:44:25,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2019-10-07 00:44:25,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-07 00:44:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-10-07 00:44:25,576 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 14 [2019-10-07 00:44:25,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:44:25,576 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-10-07 00:44:25,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-07 00:44:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-10-07 00:44:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-07 00:44:25,577 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:44:25,578 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:44:25,781 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:25,782 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:44:25,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:44:25,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1342289861, now seen corresponding path program 1 times [2019-10-07 00:44:25,783 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:44:25,784 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:25,784 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:25,784 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:25,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:44:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 00:44:26,119 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:26,119 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:44:26,120 INFO L95 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 [2019-10-07 00:44:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:26,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-07 00:44:26,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:44:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 00:44:26,347 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:44:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 00:44:26,443 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:44:26,445 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:44:26,445 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:44:26,445 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:44:26,446 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:44:26,446 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:44:26,485 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:44:26,652 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:26,668 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:26,682 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:26,714 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:26,858 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:26,905 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:27,089 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:27,099 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:27,108 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:27,161 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:27,230 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:27,270 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:28,321 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:44:28,358 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:44:28,361 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:44:28,361 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:44:28,361 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:28,362 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:28,362 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:28,362 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:44:28,363 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:28,363 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:28,363 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:28,363 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:28,363 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:28,364 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:28,364 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:44:28,364 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:44:28,364 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:44:28,365 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:28,365 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:28,365 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:28,365 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:29,299 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-10-07 00:44:29,430 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:44:29,430 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 7, 13] total 31 [2019-10-07 00:44:29,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-07 00:44:29,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-07 00:44:29,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=800, Unknown=0, NotChecked=0, Total=930 [2019-10-07 00:44:29,432 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 31 states. [2019-10-07 00:44:29,654 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:44:31,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:44:31,158 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2019-10-07 00:44:31,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-07 00:44:31,159 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 28 [2019-10-07 00:44:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:44:31,160 INFO L225 Difference]: With dead ends: 57 [2019-10-07 00:44:31,160 INFO L226 Difference]: Without dead ends: 33 [2019-10-07 00:44:31,163 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 57 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=321, Invalid=1935, Unknown=0, NotChecked=0, Total=2256 [2019-10-07 00:44:31,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-07 00:44:31,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2019-10-07 00:44:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-07 00:44:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-10-07 00:44:31,179 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 28 [2019-10-07 00:44:31,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:44:31,180 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-10-07 00:44:31,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-07 00:44:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-10-07 00:44:31,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-07 00:44:31,181 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:44:31,182 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:44:31,386 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:31,386 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:44:31,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:44:31,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1527019917, now seen corresponding path program 2 times [2019-10-07 00:44:31,387 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:44:31,387 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:31,387 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:31,387 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:44:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 00:44:31,717 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:31,717 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:44:31,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:31,805 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-07 00:44:31,805 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:44:31,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-07 00:44:31,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:44:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 00:44:32,606 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:44:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 00:44:32,751 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:44:32,752 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:44:32,753 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:44:32,753 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:44:32,754 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:44:32,754 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:44:32,785 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:44:32,904 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,072 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,166 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,180 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,209 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,224 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,449 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,489 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,500 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,509 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,560 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:33,616 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:34,736 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:44:34,789 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:44:34,792 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:44:34,792 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:44:34,793 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:34,794 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:34,794 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:34,794 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:44:34,794 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:34,794 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:34,795 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:34,795 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:34,795 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:34,795 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:34,796 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:44:34,799 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:44:34,801 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (<= 1 main_~i~0) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:44:34,801 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:34,801 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:34,803 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:34,803 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:36,130 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:44:36,131 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11, 13] total 38 [2019-10-07 00:44:36,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-10-07 00:44:36,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-10-07 00:44:36,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1275, Unknown=0, NotChecked=0, Total=1406 [2019-10-07 00:44:36,133 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 38 states. [2019-10-07 00:44:36,658 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-10-07 00:44:36,849 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-10-07 00:44:37,001 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-10-07 00:44:37,455 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:44:37,605 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:44:37,807 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:44:37,963 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:44:38,128 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:44:38,505 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-10-07 00:44:38,672 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-10-07 00:44:38,937 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-10-07 00:44:38,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:44:38,954 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2019-10-07 00:44:38,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-07 00:44:38,955 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 29 [2019-10-07 00:44:38,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:44:38,957 INFO L225 Difference]: With dead ends: 44 [2019-10-07 00:44:38,957 INFO L226 Difference]: Without dead ends: 42 [2019-10-07 00:44:38,959 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 59 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=373, Invalid=2819, Unknown=0, NotChecked=0, Total=3192 [2019-10-07 00:44:38,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-10-07 00:44:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2019-10-07 00:44:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-07 00:44:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-10-07 00:44:38,973 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 29 [2019-10-07 00:44:38,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:44:38,973 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-10-07 00:44:38,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-10-07 00:44:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-10-07 00:44:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 00:44:38,975 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:44:38,976 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:44:39,179 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:39,180 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:44:39,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:44:39,180 INFO L82 PathProgramCache]: Analyzing trace with hash 490960333, now seen corresponding path program 3 times [2019-10-07 00:44:39,180 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:44:39,180 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:39,180 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:39,180 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:44:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 00:44:39,585 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:39,585 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:44:39,585 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:39,680 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:44:39,680 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:44:39,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 00:44:39,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:44:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 00:44:39,905 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:44:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 00:44:40,064 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:44:40,065 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:44:40,065 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:44:40,066 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:44:40,066 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:44:40,066 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:44:40,099 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:44:40,208 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,460 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,530 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,543 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,555 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,642 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,780 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,826 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,835 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,842 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,893 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:40,911 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:41,834 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:44:41,866 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:44:41,870 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:44:41,870 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:44:41,870 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:41,871 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:41,871 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:41,871 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:44:41,871 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:41,871 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:41,872 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:41,872 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:41,872 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:41,872 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:41,872 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:44:41,873 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:44:41,873 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:44:41,873 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:41,875 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:41,877 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:41,877 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:43,068 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:44:43,068 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 10, 13] total 41 [2019-10-07 00:44:43,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-10-07 00:44:43,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-10-07 00:44:43,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1411, Unknown=0, NotChecked=0, Total=1640 [2019-10-07 00:44:43,071 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 41 states. [2019-10-07 00:44:43,346 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:44:44,101 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-10-07 00:44:45,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:44:45,549 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2019-10-07 00:44:45,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-07 00:44:45,554 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 43 [2019-10-07 00:44:45,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:44:45,556 INFO L225 Difference]: With dead ends: 75 [2019-10-07 00:44:45,556 INFO L226 Difference]: Without dead ends: 41 [2019-10-07 00:44:45,559 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 94 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1409 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=565, Invalid=3467, Unknown=0, NotChecked=0, Total=4032 [2019-10-07 00:44:45,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-07 00:44:45,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-07 00:44:45,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-07 00:44:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2019-10-07 00:44:45,578 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 43 [2019-10-07 00:44:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:44:45,578 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2019-10-07 00:44:45,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-10-07 00:44:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2019-10-07 00:44:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-07 00:44:45,580 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:44:45,580 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:44:45,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:45,793 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:44:45,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:44:45,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1606685947, now seen corresponding path program 4 times [2019-10-07 00:44:45,794 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:44:45,794 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:45,794 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:45,794 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:45,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:44:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 00:44:46,266 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:46,266 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:44:46,266 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:46,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 34 conjunts are in the unsatisfiable core [2019-10-07 00:44:46,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:44:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 00:44:47,590 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:44:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 00:44:47,933 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:44:47,935 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:44:47,937 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:44:47,938 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:44:47,938 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:44:47,938 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:44:47,960 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:44:48,061 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,168 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,182 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,195 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,309 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,354 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,485 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,561 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,640 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,660 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,667 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:48,675 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:49,441 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:44:49,472 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:44:49,481 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:44:49,482 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:44:49,482 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:49,482 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= 0 (select |old(#valid)| 0)) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:49,482 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:49,482 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:44:49,483 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:49,483 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:49,483 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:49,483 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:49,483 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= 0 (select |old(#valid)| 0)) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:49,483 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:49,484 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:44:49,484 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:44:49,484 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:44:49,484 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:49,484 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:49,485 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:49,485 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:50,685 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-10-07 00:44:50,967 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:44:50,967 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 14, 13] total 45 [2019-10-07 00:44:50,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2019-10-07 00:44:50,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2019-10-07 00:44:50,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1819, Unknown=0, NotChecked=0, Total=1980 [2019-10-07 00:44:50,970 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 45 states. [2019-10-07 00:44:51,605 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-10-07 00:44:51,855 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-10-07 00:44:52,002 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-10-07 00:44:52,279 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-10-07 00:44:52,506 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-10-07 00:44:52,753 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-10-07 00:44:53,134 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:44:53,312 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-10-07 00:44:53,511 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-10-07 00:44:53,676 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-10-07 00:44:53,877 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2019-10-07 00:44:54,035 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-10-07 00:44:54,248 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-10-07 00:44:54,445 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-10-07 00:44:54,784 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-10-07 00:44:55,216 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-10-07 00:44:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:44:55,221 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2019-10-07 00:44:55,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-07 00:44:55,221 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 44 [2019-10-07 00:44:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:44:55,224 INFO L225 Difference]: With dead ends: 56 [2019-10-07 00:44:55,225 INFO L226 Difference]: Without dead ends: 54 [2019-10-07 00:44:55,226 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 93 SyntacticMatches, 12 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1309 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=520, Invalid=4450, Unknown=0, NotChecked=0, Total=4970 [2019-10-07 00:44:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-10-07 00:44:55,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 47. [2019-10-07 00:44:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-07 00:44:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2019-10-07 00:44:55,238 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 44 [2019-10-07 00:44:55,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:44:55,239 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2019-10-07 00:44:55,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 45 states. [2019-10-07 00:44:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2019-10-07 00:44:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 00:44:55,241 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:44:55,241 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:44:55,444 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:55,444 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:44:55,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:44:55,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1861940549, now seen corresponding path program 5 times [2019-10-07 00:44:55,445 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:44:55,445 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:55,446 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:55,446 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:55,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:44:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 53 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 00:44:55,919 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:55,919 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:44:55,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:56,113 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2019-10-07 00:44:56,113 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:44:56,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-07 00:44:56,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:44:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 00:44:56,434 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:44:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 00:44:56,645 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:44:56,646 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:44:56,647 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:44:56,647 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:44:56,647 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:44:56,647 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:44:56,664 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:44:56,742 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:56,913 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:56,971 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:56,982 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:56,993 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:57,045 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:57,224 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:57,284 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:57,325 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:57,387 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:57,395 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:57,400 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:58,027 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:44:58,055 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:44:58,058 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:44:58,058 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:44:58,058 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:58,058 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:58,058 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:58,058 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:44:58,058 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:58,059 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:58,059 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:58,059 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:58,059 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:44:58,059 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:58,059 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:44:58,059 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:44:58,059 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:44:58,060 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:58,060 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:44:58,060 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:44:58,060 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:44:59,499 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:44:59,499 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 13, 13] total 50 [2019-10-07 00:44:59,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2019-10-07 00:44:59,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2019-10-07 00:44:59,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=2090, Unknown=0, NotChecked=0, Total=2450 [2019-10-07 00:44:59,502 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 50 states. [2019-10-07 00:44:59,840 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:45:00,730 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-07 00:45:02,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:45:02,657 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2019-10-07 00:45:02,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-07 00:45:02,657 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 58 [2019-10-07 00:45:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:45:02,659 INFO L225 Difference]: With dead ends: 88 [2019-10-07 00:45:02,659 INFO L226 Difference]: Without dead ends: 48 [2019-10-07 00:45:02,662 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 131 SyntacticMatches, 8 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2286 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=857, Invalid=5149, Unknown=0, NotChecked=0, Total=6006 [2019-10-07 00:45:02,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-10-07 00:45:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-10-07 00:45:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-07 00:45:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2019-10-07 00:45:02,673 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 58 [2019-10-07 00:45:02,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:45:02,673 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2019-10-07 00:45:02,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 50 states. [2019-10-07 00:45:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2019-10-07 00:45:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-07 00:45:02,675 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:45:02,675 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:45:02,875 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:02,876 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:45:02,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:45:02,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1621989107, now seen corresponding path program 6 times [2019-10-07 00:45:02,877 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:45:02,877 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:02,877 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:02,878 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:45:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:45:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 00:45:03,337 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:03,337 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:45:03,337 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:03,510 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:45:03,511 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:45:03,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 40 conjunts are in the unsatisfiable core [2019-10-07 00:45:03,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:45:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 00:45:05,037 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:45:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 00:45:05,294 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:45:05,297 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:45:05,297 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:45:05,298 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:45:05,298 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:45:05,298 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:45:05,323 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:45:05,519 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:05,642 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 150 [2019-10-07 00:45:05,654 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:05,751 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:05,761 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:05,772 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:05,816 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:05,959 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:06,007 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:06,016 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:06,024 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:06,044 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:06,088 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:06,886 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:45:06,933 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:45:06,939 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:45:06,940 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:45:06,940 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:45:06,940 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:06,941 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:06,941 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:45:06,941 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:06,942 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:06,942 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:45:06,942 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:06,942 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:45:06,943 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:06,943 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:45:06,943 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:45:06,944 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (<= 1 main_~i~0) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:45:06,944 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:06,944 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:45:06,944 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:06,945 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:08,842 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:45:08,842 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 17, 13] total 52 [2019-10-07 00:45:08,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-10-07 00:45:08,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-10-07 00:45:08,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2461, Unknown=0, NotChecked=0, Total=2652 [2019-10-07 00:45:08,845 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 52 states. [2019-10-07 00:45:09,786 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:45:10,032 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:45:10,224 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-10-07 00:45:10,553 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-10-07 00:45:10,724 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-10-07 00:45:11,125 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-10-07 00:45:11,482 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-07 00:45:11,824 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-10-07 00:45:12,104 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-10-07 00:45:12,340 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-10-07 00:45:12,520 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:45:12,720 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-10-07 00:45:12,910 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:45:13,106 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:45:13,394 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:13,601 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:13,773 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:13,968 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:14,258 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:45:14,483 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:45:14,679 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:45:14,832 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:45:15,114 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:15,299 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:15,497 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-10-07 00:45:15,664 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:45:15,910 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:45:16,108 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:16,303 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:16,502 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:16,855 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:17,092 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:45:17,286 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:45:17,530 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-10-07 00:45:17,729 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-10-07 00:45:18,029 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-10-07 00:45:18,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:45:18,033 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2019-10-07 00:45:18,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-10-07 00:45:18,034 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 59 [2019-10-07 00:45:18,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:45:18,036 INFO L225 Difference]: With dead ends: 86 [2019-10-07 00:45:18,036 INFO L226 Difference]: Without dead ends: 84 [2019-10-07 00:45:18,040 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 128 SyntacticMatches, 18 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2634 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=950, Invalid=8556, Unknown=0, NotChecked=0, Total=9506 [2019-10-07 00:45:18,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-07 00:45:18,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 54. [2019-10-07 00:45:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-10-07 00:45:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2019-10-07 00:45:18,054 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 59 [2019-10-07 00:45:18,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:45:18,055 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2019-10-07 00:45:18,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-10-07 00:45:18,055 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2019-10-07 00:45:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-07 00:45:18,056 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:45:18,056 INFO L385 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:45:18,258 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:18,259 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:45:18,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:45:18,260 INFO L82 PathProgramCache]: Analyzing trace with hash 481838413, now seen corresponding path program 7 times [2019-10-07 00:45:18,260 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:45:18,260 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:18,260 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:18,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:18,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:45:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:45:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 94 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-07 00:45:18,851 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:18,851 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:45:18,851 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:45:19,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-07 00:45:19,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:45:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-07 00:45:19,450 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:45:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-07 00:45:19,738 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:45:19,739 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:45:19,740 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:45:19,740 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:45:19,740 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:45:19,740 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:45:19,753 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:45:19,824 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:19,874 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:19,912 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:19,924 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:19,975 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:20,002 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:20,144 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:20,198 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:20,205 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:20,212 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:20,231 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:20,293 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:21,113 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:45:21,147 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:45:21,150 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:45:21,150 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:45:21,150 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= 0 (select |old(#valid)| 0)) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:45:21,151 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:21,151 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:21,151 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:45:21,151 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:21,151 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:21,151 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:45:21,152 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:21,152 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= 0 (select |old(#valid)| 0)) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:45:21,152 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:21,152 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:45:21,152 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:45:21,152 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:45:21,153 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:21,153 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:45:21,153 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:21,153 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:22,707 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:45:22,708 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 16, 13] total 59 [2019-10-07 00:45:22,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2019-10-07 00:45:22,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2019-10-07 00:45:22,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=2897, Unknown=0, NotChecked=0, Total=3422 [2019-10-07 00:45:22,711 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand 59 states. [2019-10-07 00:45:22,995 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:45:23,992 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-07 00:45:26,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:45:26,570 INFO L93 Difference]: Finished difference Result 101 states and 114 transitions. [2019-10-07 00:45:26,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-10-07 00:45:26,570 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 73 [2019-10-07 00:45:26,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:45:26,572 INFO L225 Difference]: With dead ends: 101 [2019-10-07 00:45:26,572 INFO L226 Difference]: Without dead ends: 55 [2019-10-07 00:45:26,575 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 168 SyntacticMatches, 10 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3400 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1268, Invalid=7288, Unknown=0, NotChecked=0, Total=8556 [2019-10-07 00:45:26,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-07 00:45:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-07 00:45:26,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-07 00:45:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2019-10-07 00:45:26,589 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 73 [2019-10-07 00:45:26,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:45:26,589 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2019-10-07 00:45:26,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 59 states. [2019-10-07 00:45:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2019-10-07 00:45:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 00:45:26,591 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:45:26,591 INFO L385 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:45:26,795 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:26,796 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:45:26,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:45:26,796 INFO L82 PathProgramCache]: Analyzing trace with hash 337758341, now seen corresponding path program 8 times [2019-10-07 00:45:26,797 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:45:26,797 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:26,797 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:26,797 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:45:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:45:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 16 proven. 115 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-07 00:45:27,372 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:27,372 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:45:27,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:28,013 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-10-07 00:45:28,013 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:45:28,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 44 conjunts are in the unsatisfiable core [2019-10-07 00:45:28,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:45:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-07 00:45:32,102 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:45:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 16 proven. 115 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-07 00:45:32,408 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:45:32,409 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:45:32,409 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:45:32,409 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:45:32,410 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:45:32,410 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:45:32,422 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:45:32,557 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:32,647 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:32,823 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:32,833 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:32,845 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:32,856 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:32,972 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:32,981 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:32,989 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:33,009 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:33,059 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:33,132 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:33,723 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:45:33,748 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:45:33,750 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:45:33,750 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:45:33,751 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:45:33,751 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:33,751 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:33,751 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:45:33,751 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:33,751 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:33,752 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:45:33,752 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:33,752 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |old(~CELLCOUNT~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:45:33,752 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:33,752 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:45:33,752 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:45:33,752 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |old(~CELLCOUNT~0)|) (<= 0 |#NULL.offset|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0))) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:45:33,752 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |old(~CELLCOUNT~0)|) (<= 0 |#NULL.offset|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:33,753 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:45:33,753 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:33,753 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:35,806 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:45:35,806 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 20, 13] total 59 [2019-10-07 00:45:35,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2019-10-07 00:45:35,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2019-10-07 00:45:35,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=3201, Unknown=0, NotChecked=0, Total=3422 [2019-10-07 00:45:35,809 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 59 states. [2019-10-07 00:45:36,504 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:45:36,941 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:45:39,530 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:45:39,764 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-10-07 00:45:40,039 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-10-07 00:45:40,261 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-07 00:45:40,569 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-10-07 00:45:40,749 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-10-07 00:45:41,163 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-10-07 00:45:41,897 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-10-07 00:45:42,356 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-10-07 00:45:42,715 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-10-07 00:45:42,977 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-10-07 00:45:43,186 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:45:43,382 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-10-07 00:45:43,592 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-10-07 00:45:43,806 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:45:43,973 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:45:44,171 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-10-07 00:45:44,386 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:45:44,636 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:45:44,835 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:45,063 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:45:45,241 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:45,502 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:45:45,742 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:45:45,932 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:45:46,141 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:45:46,414 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:45:46,559 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:45:46,759 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:46,977 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:45:47,171 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:45:47,376 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:45:47,662 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:47,913 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:48,109 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:48,342 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:45:48,545 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:45:48,751 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:45:49,026 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:45:49,229 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:45:49,450 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:45:49,597 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:45:49,790 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-10-07 00:45:50,059 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-10-07 00:45:50,464 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-10-07 00:45:50,655 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-10-07 00:45:50,853 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:51,052 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-10-07 00:45:51,197 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:45:51,412 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-10-07 00:45:51,583 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-10-07 00:45:51,782 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:51,960 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:45:52,184 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-10-07 00:45:52,426 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:45:52,679 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-10-07 00:45:53,029 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-10-07 00:45:53,210 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-10-07 00:45:53,356 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-10-07 00:45:53,536 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-10-07 00:45:53,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:45:53,539 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2019-10-07 00:45:53,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2019-10-07 00:45:53,540 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 74 [2019-10-07 00:45:53,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:45:53,542 INFO L225 Difference]: With dead ends: 123 [2019-10-07 00:45:53,543 INFO L226 Difference]: Without dead ends: 121 [2019-10-07 00:45:53,546 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 163 SyntacticMatches, 24 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5036 ImplicationChecksByTransitivity, 20.9s TimeCoverageRelationStatistics Valid=1563, Invalid=15467, Unknown=0, NotChecked=0, Total=17030 [2019-10-07 00:45:53,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-07 00:45:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 61. [2019-10-07 00:45:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-10-07 00:45:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2019-10-07 00:45:53,565 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 74 [2019-10-07 00:45:53,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:45:53,566 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2019-10-07 00:45:53,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 59 states. [2019-10-07 00:45:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2019-10-07 00:45:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 00:45:53,568 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:45:53,568 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:45:53,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:53,771 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:45:53,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:45:53,772 INFO L82 PathProgramCache]: Analyzing trace with hash 110047941, now seen corresponding path program 9 times [2019-10-07 00:45:53,772 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:45:53,772 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:53,772 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:53,773 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:53,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:45:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:45:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 147 proven. 43 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-07 00:45:54,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:54,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:45:54,570 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:54,807 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:45:54,807 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:45:54,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-07 00:45:54,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:45:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 175 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-07 00:45:55,402 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:45:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 175 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-07 00:45:55,819 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:45:55,820 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:45:55,820 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:45:55,820 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:45:55,821 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:45:55,821 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:45:55,847 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:45:55,975 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,051 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,158 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,207 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,219 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,230 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,326 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,335 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,352 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,375 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,458 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:56,491 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:57,190 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:45:57,221 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:45:57,224 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:45:57,224 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:45:57,225 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:45:57,225 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:57,225 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:57,225 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:45:57,226 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:57,226 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:57,226 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:45:57,226 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:57,227 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:45:57,227 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:57,227 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:45:57,228 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:45:57,228 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:45:57,228 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:57,229 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:45:57,229 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:45:57,229 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:45:59,048 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:45:59,048 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 19, 13] total 68 [2019-10-07 00:45:59,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 68 states [2019-10-07 00:45:59,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2019-10-07 00:45:59,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=724, Invalid=3832, Unknown=0, NotChecked=0, Total=4556 [2019-10-07 00:45:59,051 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 68 states. [2019-10-07 00:45:59,381 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:46:00,505 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-07 00:46:03,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:46:03,830 INFO L93 Difference]: Finished difference Result 114 states and 131 transitions. [2019-10-07 00:46:03,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-10-07 00:46:03,830 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 88 [2019-10-07 00:46:03,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:46:03,832 INFO L225 Difference]: With dead ends: 114 [2019-10-07 00:46:03,832 INFO L226 Difference]: Without dead ends: 62 [2019-10-07 00:46:03,834 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 205 SyntacticMatches, 12 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4727 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1767, Invalid=9789, Unknown=0, NotChecked=0, Total=11556 [2019-10-07 00:46:03,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-07 00:46:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-10-07 00:46:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-07 00:46:03,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2019-10-07 00:46:03,848 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 88 [2019-10-07 00:46:03,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:46:03,849 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2019-10-07 00:46:03,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 68 states. [2019-10-07 00:46:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2019-10-07 00:46:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 00:46:03,850 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:46:03,850 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:46:04,050 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:46:04,051 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:46:04,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:46:04,052 INFO L82 PathProgramCache]: Analyzing trace with hash 746051725, now seen corresponding path program 10 times [2019-10-07 00:46:04,052 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:46:04,052 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:04,052 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:04,053 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:04,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:46:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:46:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 20 proven. 176 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-07 00:46:04,647 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:04,647 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:46:04,647 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:46:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:46:04,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 53 conjunts are in the unsatisfiable core [2019-10-07 00:46:04,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:46:05,147 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-07 00:46:07,820 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:46:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 20 proven. 176 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-07 00:46:08,241 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:46:08,243 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:46:08,243 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:46:08,243 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:46:08,243 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:46:08,244 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:46:08,259 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:46:08,403 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:08,427 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:08,721 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2019-10-07 00:46:08,741 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:08,757 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:08,775 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:08,840 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:09,112 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:09,180 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:09,191 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:09,201 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:09,228 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:09,297 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:09,905 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:46:09,930 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:46:09,932 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:46:09,932 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:46:09,932 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |old(~CELLCOUNT~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:46:09,932 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |old(~CELLCOUNT~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:09,933 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:46:09,934 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:46:09,934 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:46:09,934 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |old(~CELLCOUNT~0)|) (<= 0 |#NULL.offset|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:09,934 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:46:09,934 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:09,934 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:12,290 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:46:12,290 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 23, 13] total 66 [2019-10-07 00:46:12,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2019-10-07 00:46:12,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2019-10-07 00:46:12,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=4039, Unknown=0, NotChecked=0, Total=4290 [2019-10-07 00:46:12,292 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand 66 states. [2019-10-07 00:46:13,444 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-10-07 00:46:13,731 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:46:14,038 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-10-07 00:46:14,288 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:46:14,617 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:46:14,848 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-07 00:46:15,262 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:46:15,469 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-10-07 00:46:16,013 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2019-10-07 00:46:16,210 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-10-07 00:46:16,921 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-10-07 00:46:17,427 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-10-07 00:46:17,798 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-10-07 00:46:18,064 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-10-07 00:46:18,298 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:46:18,601 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-10-07 00:46:18,863 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-10-07 00:46:19,063 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-10-07 00:46:19,340 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-10-07 00:46:19,639 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-07 00:46:19,928 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-10-07 00:46:20,146 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-10-07 00:46:20,343 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-10-07 00:46:20,647 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:46:20,885 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-10-07 00:46:21,148 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:46:21,363 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-10-07 00:46:21,698 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-10-07 00:46:21,942 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-10-07 00:46:22,199 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-10-07 00:46:22,401 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-10-07 00:46:22,656 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:46:22,871 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-10-07 00:46:23,037 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-10-07 00:46:23,215 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-10-07 00:46:23,484 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:46:23,723 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-10-07 00:46:23,979 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-10-07 00:46:24,197 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-10-07 00:46:24,456 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-10-07 00:46:24,699 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-10-07 00:46:24,863 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-10-07 00:46:25,040 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-10-07 00:46:25,303 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:46:25,542 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-10-07 00:46:25,792 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:46:25,993 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-10-07 00:46:26,251 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-10-07 00:46:26,479 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-10-07 00:46:26,740 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-10-07 00:46:26,978 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-10-07 00:46:27,147 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-10-07 00:46:27,330 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-10-07 00:46:27,579 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-10-07 00:46:27,782 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-10-07 00:46:28,081 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-10-07 00:46:28,273 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-10-07 00:46:28,513 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-10-07 00:46:28,774 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:46:29,006 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:46:29,173 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-10-07 00:46:29,353 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-10-07 00:46:29,677 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:46:30,150 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-10-07 00:46:30,379 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:46:30,622 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-10-07 00:46:30,862 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:46:31,062 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-10-07 00:46:31,245 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-10-07 00:46:31,413 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-10-07 00:46:31,677 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:46:31,885 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:46:32,127 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-10-07 00:46:32,330 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-10-07 00:46:32,515 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-10-07 00:46:32,679 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-10-07 00:46:32,938 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:46:33,123 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:46:33,393 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-10-07 00:46:33,587 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-10-07 00:46:33,811 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:46:33,978 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:46:34,209 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-10-07 00:46:34,438 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:46:34,632 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:46:34,854 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:46:35,020 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:46:35,559 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-10-07 00:46:35,784 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:46:35,981 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:46:36,142 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:46:36,343 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:46:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:46:36,346 INFO L93 Difference]: Finished difference Result 169 states and 220 transitions. [2019-10-07 00:46:36,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2019-10-07 00:46:36,346 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 89 [2019-10-07 00:46:36,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:46:36,349 INFO L225 Difference]: With dead ends: 169 [2019-10-07 00:46:36,349 INFO L226 Difference]: Without dead ends: 167 [2019-10-07 00:46:36,352 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 199 SyntacticMatches, 29 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8981 ImplicationChecksByTransitivity, 24.8s TimeCoverageRelationStatistics Valid=2367, Invalid=26363, Unknown=0, NotChecked=0, Total=28730 [2019-10-07 00:46:36,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-10-07 00:46:36,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 68. [2019-10-07 00:46:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-10-07 00:46:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2019-10-07 00:46:36,376 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 89 [2019-10-07 00:46:36,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:46:36,376 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2019-10-07 00:46:36,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 66 states. [2019-10-07 00:46:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2019-10-07 00:46:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-07 00:46:36,378 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:46:36,378 INFO L385 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:46:36,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:46:36,583 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:46:36,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:46:36,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1441043661, now seen corresponding path program 11 times [2019-10-07 00:46:36,584 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:46:36,584 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:36,584 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:36,584 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:36,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:46:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:46:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 212 proven. 55 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-07 00:46:37,541 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:37,541 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:46:37,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:46:39,017 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2019-10-07 00:46:39,017 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:46:39,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 00:46:39,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:46:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 246 proven. 21 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-07 00:46:39,664 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:46:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 246 proven. 21 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-07 00:46:40,294 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:46:40,295 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:46:40,295 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:46:40,295 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:46:40,295 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:46:40,295 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:46:40,314 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:46:40,386 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,537 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,608 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,674 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,685 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,694 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,816 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,825 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,832 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,868 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,903 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:40,965 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:41,550 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:46:41,579 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:46:41,581 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:46:41,581 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:46:41,581 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:46:41,581 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:41,581 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:41,581 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:46:41,582 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:41,582 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:41,582 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:46:41,582 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:41,582 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:46:41,582 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:41,582 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:46:41,583 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:46:41,583 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:46:41,583 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:41,583 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:46:41,583 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:41,583 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:43,572 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:46:43,572 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 22, 13] total 77 [2019-10-07 00:46:43,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 77 states [2019-10-07 00:46:43,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2019-10-07 00:46:43,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=957, Invalid=4895, Unknown=0, NotChecked=0, Total=5852 [2019-10-07 00:46:43,575 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand 77 states. [2019-10-07 00:46:43,916 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:46:45,185 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-07 00:46:49,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:46:49,435 INFO L93 Difference]: Finished difference Result 127 states and 148 transitions. [2019-10-07 00:46:49,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-10-07 00:46:49,435 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 103 [2019-10-07 00:46:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:46:49,437 INFO L225 Difference]: With dead ends: 127 [2019-10-07 00:46:49,437 INFO L226 Difference]: Without dead ends: 69 [2019-10-07 00:46:49,439 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 242 SyntacticMatches, 14 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6267 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=2354, Invalid=12652, Unknown=0, NotChecked=0, Total=15006 [2019-10-07 00:46:49,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-10-07 00:46:49,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-10-07 00:46:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-10-07 00:46:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2019-10-07 00:46:49,457 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 80 transitions. Word has length 103 [2019-10-07 00:46:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:46:49,457 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 80 transitions. [2019-10-07 00:46:49,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 77 states. [2019-10-07 00:46:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2019-10-07 00:46:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-07 00:46:49,458 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:46:49,458 INFO L385 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:46:49,658 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:46:49,659 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:46:49,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:46:49,660 INFO L82 PathProgramCache]: Analyzing trace with hash -520968699, now seen corresponding path program 12 times [2019-10-07 00:46:49,660 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:46:49,660 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:49,660 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:49,661 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:46:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:46:50,524 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 24 proven. 250 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-07 00:46:50,524 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:50,524 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:46:50,524 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:46:50,842 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:46:50,842 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:46:50,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 58 conjunts are in the unsatisfiable core [2019-10-07 00:46:50,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:46:51,141 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 274 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-07 00:46:54,461 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:46:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 24 proven. 250 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-07 00:46:54,912 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:46:54,913 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:46:54,913 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:46:54,913 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:46:54,913 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:46:54,913 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:46:54,928 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:46:54,996 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,125 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,134 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,145 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,194 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,294 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,446 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,471 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,479 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,487 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,540 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:55,559 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:56,322 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:46:56,373 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:46:56,377 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:46:56,377 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:46:56,378 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(#length)| |#length|) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:56,379 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:56,379 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:56,379 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:46:56,380 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:56,380 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:56,380 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:46:56,380 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:56,381 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:56,381 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:56,381 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:46:56,388 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:46:56,389 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (<= 1 main_~i~0) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:46:56,389 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:56,389 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:46:56,390 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:46:56,390 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:46:59,266 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:46:59,266 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 26, 13] total 73 [2019-10-07 00:46:59,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 73 states [2019-10-07 00:46:59,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2019-10-07 00:46:59,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=4975, Unknown=0, NotChecked=0, Total=5256 [2019-10-07 00:46:59,268 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. Second operand 73 states. [2019-10-07 00:47:00,513 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:47:00,753 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:47:01,098 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-10-07 00:47:01,444 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-10-07 00:47:01,719 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-10-07 00:47:02,094 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-10-07 00:47:02,355 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:47:02,797 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-10-07 00:47:03,037 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-07 00:47:03,564 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-10-07 00:47:03,783 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-10-07 00:47:04,457 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-10-07 00:47:04,655 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-10-07 00:47:05,409 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-10-07 00:47:05,913 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-10-07 00:47:06,190 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-10-07 00:47:06,495 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-10-07 00:47:06,888 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-10-07 00:47:07,146 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:47:07,426 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:47:07,796 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-10-07 00:47:08,217 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-10-07 00:47:08,602 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-10-07 00:47:08,902 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-10-07 00:47:09,169 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-07 00:47:09,419 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-10-07 00:47:09,706 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:47:09,994 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:47:10,216 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-10-07 00:47:10,498 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:47:10,726 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:47:10,926 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-10-07 00:47:11,290 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:47:11,554 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:47:11,835 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:47:12,063 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:47:12,323 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:47:12,544 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-10-07 00:47:12,792 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:47:12,955 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:47:13,136 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:47:13,346 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:47:13,652 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:47:13,918 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:47:14,200 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:47:14,435 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:47:14,695 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:14,940 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:15,185 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:15,358 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:15,542 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:15,753 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:16,058 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:47:16,325 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:47:16,601 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:47:16,831 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:47:17,102 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:17,329 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:47:17,577 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:47:17,867 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:47:18,131 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:47:18,297 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:47:18,486 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:47:18,694 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:47:18,981 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:47:19,214 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:47:19,541 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:19,844 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:47:20,104 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:47:20,303 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:20,532 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:20,735 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:47:21,015 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:47:21,250 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:47:21,416 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:47:21,607 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:47:21,888 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:22,118 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:22,365 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:22,649 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:47:22,905 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:47:23,070 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:23,252 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:23,460 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:23,722 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:47:24,016 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-10-07 00:47:24,507 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:47:24,775 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:47:25,023 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:25,247 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:47:25,495 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:47:25,756 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:47:25,928 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:26,112 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:26,319 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:26,621 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-10-07 00:47:26,857 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:47:27,078 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:27,302 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:47:27,552 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:47:27,720 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:27,908 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:28,110 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:28,388 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:47:28,602 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:28,830 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:29,054 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:47:29,304 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:47:29,476 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:29,666 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:29,891 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:47:30,141 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:30,331 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:30,579 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:47:30,826 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:31,062 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:31,247 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:31,455 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:47:31,657 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:31,859 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-10-07 00:47:32,111 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:32,335 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:47:32,582 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:47:32,769 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-10-07 00:47:32,938 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:33,122 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:47:33,505 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-10-07 00:47:33,734 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:47:33,936 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:34,102 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:47:34,334 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:47:34,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:47:34,337 INFO L93 Difference]: Finished difference Result 224 states and 295 transitions. [2019-10-07 00:47:34,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2019-10-07 00:47:34,337 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 104 [2019-10-07 00:47:34,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:47:34,340 INFO L225 Difference]: With dead ends: 224 [2019-10-07 00:47:34,341 INFO L226 Difference]: Without dead ends: 222 [2019-10-07 00:47:34,344 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 233 SyntacticMatches, 36 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15135 ImplicationChecksByTransitivity, 36.0s TimeCoverageRelationStatistics Valid=3394, Invalid=42616, Unknown=0, NotChecked=0, Total=46010 [2019-10-07 00:47:34,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-10-07 00:47:34,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 75. [2019-10-07 00:47:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-07 00:47:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 88 transitions. [2019-10-07 00:47:34,374 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 88 transitions. Word has length 104 [2019-10-07 00:47:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:47:34,374 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 88 transitions. [2019-10-07 00:47:34,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 73 states. [2019-10-07 00:47:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2019-10-07 00:47:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-10-07 00:47:34,376 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:47:34,376 INFO L385 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:47:34,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:47:34,583 INFO L410 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:47:34,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:47:34,584 INFO L82 PathProgramCache]: Analyzing trace with hash 2144235589, now seen corresponding path program 13 times [2019-10-07 00:47:34,584 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:47:34,584 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:47:34,584 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:47:34,585 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:47:34,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:47:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:47:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 289 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-07 00:47:35,851 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:47:35,851 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:47:35,851 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:47:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:47:36,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 28 conjunts are in the unsatisfiable core [2019-10-07 00:47:36,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:47:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 329 proven. 28 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-07 00:47:36,989 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:47:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 329 proven. 28 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-07 00:47:37,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:47:37,657 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:47:37,657 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:47:37,657 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:47:37,658 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:47:37,658 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:47:37,674 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:47:37,811 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:37,821 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:37,830 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:37,843 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:37,949 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:37,974 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:38,094 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:38,155 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:38,230 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:38,267 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:38,275 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:38,282 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:39,052 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:47:39,087 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:47:39,090 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:47:39,090 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:47:39,090 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:47:39,090 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:47:39,090 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:47:39,090 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:47:39,091 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:47:39,091 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:47:39,091 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:47:39,091 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:47:39,091 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:47:39,091 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:47:39,092 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:47:39,092 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:47:39,092 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:47:39,092 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:47:39,092 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:47:39,093 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:47:39,093 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:47:41,452 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:47:41,452 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27, 25, 13] total 86 [2019-10-07 00:47:41,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 86 states [2019-10-07 00:47:41,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2019-10-07 00:47:41,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=6086, Unknown=0, NotChecked=0, Total=7310 [2019-10-07 00:47:41,455 INFO L87 Difference]: Start difference. First operand 75 states and 88 transitions. Second operand 86 states. [2019-10-07 00:47:41,783 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:47:43,173 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-07 00:47:48,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:47:48,228 INFO L93 Difference]: Finished difference Result 140 states and 165 transitions. [2019-10-07 00:47:48,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-10-07 00:47:48,229 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 118 [2019-10-07 00:47:48,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:47:48,230 INFO L225 Difference]: With dead ends: 140 [2019-10-07 00:47:48,230 INFO L226 Difference]: Without dead ends: 76 [2019-10-07 00:47:48,233 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 279 SyntacticMatches, 16 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8020 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=3029, Invalid=15877, Unknown=0, NotChecked=0, Total=18906 [2019-10-07 00:47:48,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-10-07 00:47:48,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-10-07 00:47:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-07 00:47:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2019-10-07 00:47:48,262 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 118 [2019-10-07 00:47:48,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:47:48,262 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2019-10-07 00:47:48,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 86 states. [2019-10-07 00:47:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2019-10-07 00:47:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-07 00:47:48,263 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:47:48,264 INFO L385 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:47:48,471 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:47:48,471 INFO L410 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:47:48,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:47:48,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1096497139, now seen corresponding path program 14 times [2019-10-07 00:47:48,472 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:47:48,472 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:47:48,473 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:47:48,473 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:47:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:47:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:47:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 28 proven. 337 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-07 00:47:49,559 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:47:49,559 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:47:49,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:47:55,829 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-10-07 00:47:55,829 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:47:55,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 62 conjunts are in the unsatisfiable core [2019-10-07 00:47:55,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:48:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-07 00:48:03,821 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:48:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 28 proven. 337 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-07 00:48:04,502 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:48:04,502 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:48:04,503 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:48:04,503 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:48:04,503 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:48:04,503 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:48:04,521 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:48:04,592 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:04,605 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:04,616 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:04,694 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:04,790 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:04,867 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:04,963 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:04,969 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:04,975 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:05,035 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:05,055 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:05,141 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:48:05,749 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:48:05,777 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:48:05,778 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:48:05,779 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:48:05,779 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:48:05,779 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:48:05,779 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:48:05,779 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:48:05,779 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:48:05,779 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:48:05,779 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:48:05,780 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:48:05,780 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:48:05,780 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:48:05,780 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:48:05,780 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:48:05,780 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (<= 1 main_~i~0) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:48:05,780 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:48:05,780 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:48:05,781 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:48:05,781 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:48:08,895 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:48:08,896 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31, 29, 13] total 80 [2019-10-07 00:48:08,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 80 states [2019-10-07 00:48:08,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2019-10-07 00:48:08,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=6009, Unknown=0, NotChecked=0, Total=6320 [2019-10-07 00:48:08,898 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand 80 states. [2019-10-07 00:48:09,745 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:48:10,079 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:48:13,930 WARN L191 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:48:18,704 WARN L191 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:48:28,091 WARN L191 SmtUtils]: Spent 9.22 s on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:48:36,820 WARN L191 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-10-07 00:48:37,515 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-10-07 00:48:37,934 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-10-07 00:48:38,249 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-10-07 00:48:38,688 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-10-07 00:48:38,967 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-10-07 00:48:39,478 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2019-10-07 00:48:39,740 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:48:40,374 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2019-10-07 00:48:40,620 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-07 00:48:41,338 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-10-07 00:48:41,562 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-10-07 00:48:42,323 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2019-10-07 00:48:42,527 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-10-07 00:48:43,400 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2019-10-07 00:48:43,786 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-10-07 00:48:44,065 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-10-07 00:48:44,553 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-10-07 00:48:44,890 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:48:45,142 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:48:45,606 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-10-07 00:48:46,093 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-10-07 00:48:46,560 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-10-07 00:48:46,943 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-10-07 00:48:47,298 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-10-07 00:48:47,626 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-10-07 00:48:47,920 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:48:48,233 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:48:48,548 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-10-07 00:48:48,874 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:48:49,270 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:48:49,540 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-07 00:48:49,875 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-10-07 00:48:50,166 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-10-07 00:48:50,368 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-10-07 00:48:50,720 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:48:51,086 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:48:51,373 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:48:51,681 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:48:52,043 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-10-07 00:48:52,279 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:48:52,543 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-10-07 00:48:52,755 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:48:52,935 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:48:53,137 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:48:53,361 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:48:53,513 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:48:53,824 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:48:54,138 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:48:54,413 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:48:54,721 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:48:55,132 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:48:55,333 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:48:55,558 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:48:55,807 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:48:56,068 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:48:56,253 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:48:56,461 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:48:56,808 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:48:57,112 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:48:57,429 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:48:57,711 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:48:58,018 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:48:58,436 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:48:58,649 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:48:58,904 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:48:59,179 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:48:59,464 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:48:59,780 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:49:00,005 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:49:00,164 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:49:00,345 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:49:00,564 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:49:00,846 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:49:01,146 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:49:01,603 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:49:01,862 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:49:02,052 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:02,273 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:02,520 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:02,808 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:49:03,109 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:49:03,334 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:49:03,490 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:49:03,668 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:49:03,870 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:49:04,124 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:49:04,421 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:04,641 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:04,896 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:05,192 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:49:05,510 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:49:05,787 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:49:05,942 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:06,119 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:06,317 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:06,595 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:49:06,898 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-10-07 00:49:07,120 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:49:07,492 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:07,710 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:49:07,958 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:49:08,253 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:49:08,563 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:49:08,835 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:49:08,994 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:09,173 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:09,374 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:09,659 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:49:09,924 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:49:10,285 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:49:10,860 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-10-07 00:49:11,136 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:49:11,439 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:49:11,637 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:11,865 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:49:12,115 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:49:12,398 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:49:12,621 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:49:12,780 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:12,962 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:13,163 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:13,497 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:49:13,776 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:49:14,060 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:49:14,262 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:14,490 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:49:14,741 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:49:14,970 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:49:15,129 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:15,306 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:15,504 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:15,805 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-10-07 00:49:16,048 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:49:16,271 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:16,502 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:49:16,767 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:49:17,029 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:49:17,187 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:17,366 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:17,573 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:17,795 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:49:18,080 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:49:18,290 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:18,600 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:49:18,803 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:19,037 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:49:19,294 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:49:19,534 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:49:19,699 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:19,884 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:20,085 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:20,349 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:20,538 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:20,887 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:49:21,086 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:21,311 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:49:21,566 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:49:21,775 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:21,955 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:22,177 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:49:22,365 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-10-07 00:49:22,696 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:49:22,945 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:23,173 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:49:23,472 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:23,652 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:49:24,073 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-10-07 00:49:24,277 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:24,497 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:49:24,669 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:49:24,876 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:49:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:49:24,879 INFO L93 Difference]: Finished difference Result 288 states and 382 transitions. [2019-10-07 00:49:24,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2019-10-07 00:49:24,879 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 119 [2019-10-07 00:49:24,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:49:24,881 INFO L225 Difference]: With dead ends: 288 [2019-10-07 00:49:24,883 INFO L226 Difference]: Without dead ends: 286 [2019-10-07 00:49:24,886 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 267 SyntacticMatches, 43 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24434 ImplicationChecksByTransitivity, 78.1s TimeCoverageRelationStatistics Valid=4667, Invalid=65823, Unknown=0, NotChecked=0, Total=70490 [2019-10-07 00:49:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-07 00:49:24,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 82. [2019-10-07 00:49:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-07 00:49:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 97 transitions. [2019-10-07 00:49:24,923 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 97 transitions. Word has length 119 [2019-10-07 00:49:24,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:49:24,923 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 97 transitions. [2019-10-07 00:49:24,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 80 states. [2019-10-07 00:49:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2019-10-07 00:49:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 00:49:24,924 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:49:24,924 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:49:25,125 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:49:25,125 INFO L410 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:49:25,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:49:25,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1895326797, now seen corresponding path program 15 times [2019-10-07 00:49:25,126 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:49:25,126 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:49:25,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:49:25,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:49:25,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:49:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:49:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 378 proven. 82 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-10-07 00:49:26,409 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:49:26,409 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:49:26,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:49:26,831 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:49:26,831 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:49:26,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 31 conjunts are in the unsatisfiable core [2019-10-07 00:49:26,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:49:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 424 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-10-07 00:49:27,832 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:49:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 424 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-10-07 00:49:28,645 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:49:28,646 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:49:28,646 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:49:28,646 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:49:28,647 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:49:28,647 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:49:28,663 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 00:49:28,827 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:28,840 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:28,925 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:28,938 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:28,950 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:28,961 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:29,091 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:29,099 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:29,131 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:29,167 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:29,218 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:29,250 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:29,862 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:49:29,889 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:49:29,891 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:49:29,891 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:49:29,891 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:49:29,891 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:29,891 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:49:29,891 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:49:29,892 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:29,892 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:29,892 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:49:29,892 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:29,893 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:49:29,893 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:29,893 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:49:29,893 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:49:29,893 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (<= 1 main_~i~0) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:49:29,893 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:49:29,893 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:49:29,894 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:29,894 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:49:32,415 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:49:32,415 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30, 28, 13] total 95 [2019-10-07 00:49:32,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 95 states [2019-10-07 00:49:32,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2019-10-07 00:49:32,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1525, Invalid=7405, Unknown=0, NotChecked=0, Total=8930 [2019-10-07 00:49:32,417 INFO L87 Difference]: Start difference. First operand 82 states and 97 transitions. Second operand 95 states. [2019-10-07 00:49:32,740 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2019-10-07 00:49:34,200 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-07 00:49:39,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:49:39,745 INFO L93 Difference]: Finished difference Result 153 states and 182 transitions. [2019-10-07 00:49:39,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-10-07 00:49:39,745 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 133 [2019-10-07 00:49:39,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:49:39,747 INFO L225 Difference]: With dead ends: 153 [2019-10-07 00:49:39,747 INFO L226 Difference]: Without dead ends: 83 [2019-10-07 00:49:39,749 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 316 SyntacticMatches, 18 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9986 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=3792, Invalid=19464, Unknown=0, NotChecked=0, Total=23256 [2019-10-07 00:49:39,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-07 00:49:39,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-07 00:49:39,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-07 00:49:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 98 transitions. [2019-10-07 00:49:39,779 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 98 transitions. Word has length 133 [2019-10-07 00:49:39,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:49:39,779 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 98 transitions. [2019-10-07 00:49:39,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 95 states. [2019-10-07 00:49:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2019-10-07 00:49:39,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-07 00:49:39,780 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:49:39,781 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:49:39,985 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:49:39,986 INFO L410 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:49:39,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:49:39,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1212251259, now seen corresponding path program 16 times [2019-10-07 00:49:39,987 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:49:39,987 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:49:39,987 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:49:39,987 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:49:39,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:49:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:49:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 32 proven. 437 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-10-07 00:49:41,239 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:49:41,239 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:49:41,239 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:49:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:49:41,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 70 conjunts are in the unsatisfiable core [2019-10-07 00:49:41,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:49:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-10-07 00:49:47,135 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:49:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 32 proven. 437 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-10-07 00:49:47,814 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:49:47,815 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:49:47,815 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:49:47,815 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:49:47,816 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:49:47,816 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:49:47,832 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:49:47,962 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:47,999 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,104 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,133 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,158 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,167 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,262 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,339 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,376 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,384 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,390 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:48,408 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:49,025 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:49:49,050 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:49:49,052 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:49:49,052 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:49,053 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:49:49,054 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:49,054 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:49:49,054 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:49:49,054 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (<= 1 main_~i~0) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:49:49,054 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:49:49,054 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:49:49,054 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:49:49,054 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:49:52,602 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:49:52,602 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34, 32, 13] total 87 [2019-10-07 00:49:52,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 87 states [2019-10-07 00:49:52,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2019-10-07 00:49:52,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=7141, Unknown=0, NotChecked=0, Total=7482 [2019-10-07 00:49:52,604 INFO L87 Difference]: Start difference. First operand 83 states and 98 transitions. Second operand 87 states. [2019-10-07 00:49:54,008 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:49:54,270 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:49:54,593 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:49:54,933 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:49:55,366 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-10-07 00:49:55,829 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-10-07 00:49:56,184 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-10-07 00:49:56,667 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-10-07 00:49:57,000 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-10-07 00:49:57,566 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-10-07 00:49:57,878 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-10-07 00:49:58,549 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2019-10-07 00:49:58,859 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:49:59,598 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2019-10-07 00:49:59,866 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-07 00:50:00,605 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2019-10-07 00:50:00,856 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-10-07 00:50:01,616 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2019-10-07 00:50:01,845 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-10-07 00:50:02,230 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-10-07 00:50:02,577 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-10-07 00:50:03,523 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 130 [2019-10-07 00:50:03,962 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:50:04,253 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:50:04,821 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2019-10-07 00:50:05,431 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2019-10-07 00:50:05,996 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-10-07 00:50:06,490 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-10-07 00:50:06,957 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-10-07 00:50:07,434 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-10-07 00:50:07,795 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:08,135 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:08,543 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-10-07 00:50:08,899 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:09,192 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:09,575 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-10-07 00:50:09,983 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-10-07 00:50:10,365 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-10-07 00:50:10,683 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-07 00:50:11,158 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-10-07 00:50:11,415 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-10-07 00:50:11,768 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:50:12,145 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:50:12,370 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-10-07 00:50:12,712 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:50:13,079 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:50:13,499 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-10-07 00:50:13,763 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:50:14,060 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-10-07 00:50:14,388 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-10-07 00:50:14,610 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:50:14,802 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:50:15,021 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:50:15,272 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:50:15,545 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:50:15,721 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:50:16,122 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:16,459 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:16,825 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:50:17,117 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:50:17,451 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:17,725 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:18,043 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:18,370 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:18,592 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:18,798 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:19,029 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:19,287 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:19,564 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:19,737 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:20,130 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:20,474 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:20,835 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:21,137 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:21,479 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:50:21,751 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:50:22,060 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:50:22,394 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:50:22,620 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:22,987 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:50:23,334 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:50:23,533 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:50:23,750 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:50:24,031 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:50:24,308 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:50:24,484 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:50:24,861 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:25,156 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:25,520 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:25,793 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:26,102 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:26,434 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:26,656 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:27,025 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:50:27,377 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:50:27,582 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:50:27,811 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:50:28,056 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:50:28,343 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:50:28,518 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:50:28,880 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:29,169 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:29,519 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:29,798 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:30,106 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:30,428 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:30,651 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:31,021 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:50:31,363 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:50:31,568 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:31,802 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:32,060 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:32,336 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:32,514 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:32,877 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:50:33,190 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:33,590 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:50:33,885 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:50:34,215 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:50:34,436 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:34,796 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:35,135 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:50:35,398 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:50:35,628 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:35,875 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:36,147 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:36,322 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:36,689 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:50:36,989 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:37,185 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:37,593 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:50:37,909 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:50:38,128 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:38,505 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:50:38,868 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:50:39,114 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:50:39,389 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:50:39,635 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:39,904 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:40,080 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:40,432 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:50:40,649 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:40,869 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:41,247 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:50:41,878 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-10-07 00:50:42,223 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:50:42,607 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:50:42,851 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:50:43,120 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:50:43,412 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:50:43,736 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:50:43,958 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:44,161 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:44,384 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:44,635 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:44,908 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:45,088 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:45,491 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-10-07 00:50:45,805 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-10-07 00:50:46,114 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:50:46,412 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:50:46,731 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:50:46,959 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:47,206 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:50:47,428 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:47,675 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:47,937 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:48,117 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:48,310 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:48,674 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:50:48,962 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:50:49,269 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:50:49,593 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:50:49,914 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:50:50,140 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:50,391 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:50:50,617 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:50,858 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:51,128 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:51,308 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:51,511 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:51,855 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-10-07 00:50:52,116 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:50:52,371 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:52,624 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:50:52,896 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:50:53,220 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:50:53,551 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:50:53,730 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:53,930 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:54,152 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:54,406 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:50:54,682 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:50:55,016 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:50:55,253 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:55,508 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:55,779 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:50:56,056 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:50:56,362 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:50:56,716 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:50:56,891 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:57,092 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:50:57,313 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:50:57,563 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:50:57,862 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:58,078 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:58,382 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:50:58,630 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:58,903 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:50:59,209 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:50:59,432 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:50:59,626 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:50:59,850 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:51:00,065 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-10-07 00:51:00,380 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:51:00,622 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:51:00,891 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:51:01,105 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-10-07 00:51:01,288 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:51:01,483 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:51:01,946 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-10-07 00:51:02,166 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:51:02,425 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:51:02,595 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:51:02,829 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:51:02,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:51:02,833 INFO L93 Difference]: Finished difference Result 361 states and 481 transitions. [2019-10-07 00:51:02,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2019-10-07 00:51:02,833 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 134 [2019-10-07 00:51:02,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:51:02,837 INFO L225 Difference]: With dead ends: 361 [2019-10-07 00:51:02,837 INFO L226 Difference]: Without dead ends: 359 [2019-10-07 00:51:02,842 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 303 SyntacticMatches, 48 SemanticMatches, 321 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37046 ImplicationChecksByTransitivity, 68.5s TimeCoverageRelationStatistics Valid=6185, Invalid=97821, Unknown=0, NotChecked=0, Total=104006 [2019-10-07 00:51:02,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-10-07 00:51:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 89. [2019-10-07 00:51:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-07 00:51:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2019-10-07 00:51:02,886 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 134 [2019-10-07 00:51:02,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:51:02,886 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2019-10-07 00:51:02,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 87 states. [2019-10-07 00:51:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2019-10-07 00:51:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 00:51:02,887 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:51:02,888 INFO L385 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:51:03,088 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:51:03,089 INFO L410 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:51:03,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:51:03,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1875422661, now seen corresponding path program 17 times [2019-10-07 00:51:03,090 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:51:03,090 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:51:03,090 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:51:03,091 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:51:03,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:51:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:51:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 479 proven. 97 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-07 00:51:04,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:51:04,657 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:51:04,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:51:12,477 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2019-10-07 00:51:12,477 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:51:12,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 34 conjunts are in the unsatisfiable core [2019-10-07 00:51:12,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:51:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 531 proven. 45 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-07 00:51:13,687 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:51:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 531 proven. 45 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-07 00:51:14,640 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:51:14,641 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:51:14,641 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:51:14,641 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:51:14,641 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:51:14,642 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:51:14,665 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:51:14,806 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:14,861 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:14,874 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:14,886 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:14,947 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:15,047 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:15,139 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:15,145 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:15,153 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:15,238 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:15,258 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:15,315 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:15,881 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:51:15,909 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:51:15,912 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:51:15,912 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:51:15,912 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(#length)| |#length|) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:51:15,912 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:15,912 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:51:15,912 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:51:15,913 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:15,913 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:15,913 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:51:15,913 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:15,913 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:51:15,913 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:15,913 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:51:15,914 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:51:15,914 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:51:15,914 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:51:15,914 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:51:15,914 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:15,915 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:51:18,698 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:51:18,698 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 33, 31, 13] total 104 [2019-10-07 00:51:18,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 104 states [2019-10-07 00:51:18,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2019-10-07 00:51:18,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1860, Invalid=8852, Unknown=0, NotChecked=0, Total=10712 [2019-10-07 00:51:18,701 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand 104 states. [2019-10-07 00:51:19,060 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:51:20,745 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-07 00:51:27,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:51:27,481 INFO L93 Difference]: Finished difference Result 166 states and 199 transitions. [2019-10-07 00:51:27,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-10-07 00:51:27,481 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 148 [2019-10-07 00:51:27,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:51:27,483 INFO L225 Difference]: With dead ends: 166 [2019-10-07 00:51:27,483 INFO L226 Difference]: Without dead ends: 90 [2019-10-07 00:51:27,486 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 353 SyntacticMatches, 20 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12165 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=4643, Invalid=23413, Unknown=0, NotChecked=0, Total=28056 [2019-10-07 00:51:27,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-07 00:51:27,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-07 00:51:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-07 00:51:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions. [2019-10-07 00:51:27,520 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 148 [2019-10-07 00:51:27,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:51:27,521 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 107 transitions. [2019-10-07 00:51:27,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 104 states. [2019-10-07 00:51:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2019-10-07 00:51:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 00:51:27,521 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:51:27,522 INFO L385 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:51:27,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:51:27,723 INFO L410 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:51:27,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:51:27,723 INFO L82 PathProgramCache]: Analyzing trace with hash 101267341, now seen corresponding path program 18 times [2019-10-07 00:51:27,724 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:51:27,724 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:51:27,724 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:51:27,724 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:51:27,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:51:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:51:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 36 proven. 550 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-07 00:51:29,300 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:51:29,300 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:51:29,301 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:51:29,845 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:51:29,845 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:51:29,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 76 conjunts are in the unsatisfiable core [2019-10-07 00:51:29,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:51:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 0 proven. 586 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-07 00:51:36,402 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:51:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 36 proven. 550 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-07 00:51:37,278 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:51:37,279 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:51:37,279 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:51:37,279 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:51:37,280 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:51:37,280 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:51:37,294 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:51:37,386 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,474 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,557 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,645 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,655 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,665 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,761 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,859 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,882 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,891 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,899 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:37,917 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:51:38,585 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:51:38,613 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:51:38,616 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:51:38,616 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:51:38,616 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:51:38,616 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:38,616 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:51:38,616 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:51:38,616 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:38,616 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (<= 1 main_~i~0) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (= main_~i~0 1) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:51:38,617 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:51:38,618 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:51:38,618 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:51:42,725 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:51:42,725 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 37, 35, 13] total 94 [2019-10-07 00:51:42,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 94 states [2019-10-07 00:51:42,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2019-10-07 00:51:42,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=8371, Unknown=0, NotChecked=0, Total=8742 [2019-10-07 00:51:42,728 INFO L87 Difference]: Start difference. First operand 90 states and 107 transitions. Second operand 94 states. [2019-10-07 00:51:44,329 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:51:44,621 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:51:45,005 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:51:45,356 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:51:45,735 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:51:46,206 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-10-07 00:51:46,709 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-10-07 00:51:47,138 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-10-07 00:51:47,657 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-10-07 00:51:48,031 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-10-07 00:51:48,658 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2019-10-07 00:51:49,002 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-10-07 00:51:49,718 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2019-10-07 00:51:50,051 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-10-07 00:51:50,853 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2019-10-07 00:51:51,154 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:51:51,958 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 125 [2019-10-07 00:51:52,247 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-07 00:51:53,022 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 132 [2019-10-07 00:51:53,296 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-10-07 00:51:53,678 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-10-07 00:51:54,070 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2019-10-07 00:51:54,858 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2019-10-07 00:51:55,114 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-10-07 00:51:55,492 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:51:55,891 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-10-07 00:51:57,065 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2019-10-07 00:51:57,924 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2019-10-07 00:51:58,612 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 130 [2019-10-07 00:51:59,215 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2019-10-07 00:51:59,813 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2019-10-07 00:52:00,348 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-10-07 00:52:00,748 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:01,123 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:01,627 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-10-07 00:52:02,034 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:02,346 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:02,815 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-10-07 00:52:03,323 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-10-07 00:52:03,787 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-10-07 00:52:04,182 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-10-07 00:52:04,555 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-10-07 00:52:04,887 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-10-07 00:52:05,294 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:52:05,694 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-10-07 00:52:05,989 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-07 00:52:06,365 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:52:06,756 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-10-07 00:52:07,029 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-10-07 00:52:07,407 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-10-07 00:52:07,734 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-10-07 00:52:08,036 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-10-07 00:52:08,350 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-10-07 00:52:08,697 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-10-07 00:52:08,925 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-10-07 00:52:09,197 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:52:09,453 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-10-07 00:52:09,687 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:52:09,945 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:52:10,229 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:52:10,409 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:52:10,645 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:52:10,833 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:52:11,245 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:11,640 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:12,002 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:52:12,404 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-10-07 00:52:12,846 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:13,129 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:13,386 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:13,689 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:14,018 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:14,388 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:14,566 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:14,779 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:14,969 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:15,210 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:15,487 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:15,791 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:16,226 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:16,627 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:17,002 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:17,398 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:17,833 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:52:18,114 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:52:18,372 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:52:18,683 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:52:19,022 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:52:19,395 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:52:19,777 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:52:20,179 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-10-07 00:52:20,355 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:52:20,567 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:52:20,761 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:52:20,998 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:52:21,264 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:52:21,548 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:52:21,949 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:22,348 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:22,913 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:23,277 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:23,657 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:52:24,066 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-10-07 00:52:24,292 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:24,577 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:24,827 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:25,140 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:25,400 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:52:25,687 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:52:26,060 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:26,465 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:26,644 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-10-07 00:52:26,860 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:52:27,064 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:52:27,301 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:52:27,886 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:28,244 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:28,605 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:52:29,017 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-10-07 00:52:29,245 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:29,524 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:29,784 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:30,094 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:30,355 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:30,640 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:31,015 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:31,423 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:31,598 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:31,819 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:32,013 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:32,249 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:32,713 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:52:32,991 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:52:33,282 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:52:33,593 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:52:33,924 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:52:34,284 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:52:34,663 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:52:35,093 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-10-07 00:52:35,264 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:35,482 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:35,674 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:35,910 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:36,177 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:36,469 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:36,846 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:37,234 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:37,687 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:52:37,973 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:52:38,227 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:52:38,535 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:52:38,871 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:52:39,260 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:52:39,629 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:52:40,040 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-10-07 00:52:40,212 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:40,429 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:40,621 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:40,861 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:41,147 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:41,440 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:41,819 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:42,215 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-10-07 00:52:42,786 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:52:43,148 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:52:43,518 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:52:43,922 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-10-07 00:52:44,154 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:52:44,433 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:52:44,688 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:52:44,989 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:52:45,284 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:45,571 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:45,952 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-10-07 00:52:46,197 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:46,416 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:46,609 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:46,849 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:47,318 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-10-07 00:52:48,031 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-10-07 00:52:48,406 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-10-07 00:52:48,803 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:52:49,190 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-10-07 00:52:49,419 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:52:49,704 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:52:49,963 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:52:50,291 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:52:50,608 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:52:50,901 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:51,083 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:51,331 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:51,523 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:51,789 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:52,028 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:52,471 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-10-07 00:52:52,821 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:52:53,140 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:52:53,393 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:52:53,726 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:52:54,032 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:52:54,392 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:52:54,624 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:52:54,841 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:55,040 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:55,303 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:52:55,564 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:55,866 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:56,040 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:56,456 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-10-07 00:52:56,767 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:52:57,113 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:52:57,490 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:52:57,722 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:52:58,002 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:52:58,262 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:52:58,604 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:52:58,851 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:52:59,132 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-07 00:52:59,306 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:52:59,530 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:52:59,725 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:52:59,988 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:53:00,384 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-07 00:53:00,680 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:53:01,000 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:53:01,264 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:53:01,596 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-10-07 00:53:01,910 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:53:02,267 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-10-07 00:53:02,500 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:53:02,731 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:53:02,928 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:53:03,193 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:53:03,456 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:53:03,742 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-10-07 00:53:03,913 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:53:04,296 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-10-07 00:53:04,561 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:53:04,951 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-10-07 00:53:05,184 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:53:05,472 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:53:05,732 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:53:06,069 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:53:06,381 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:53:06,561 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:53:06,777 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:53:06,976 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:53:07,241 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-10-07 00:53:07,488 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:53:07,843 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:53:08,094 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:53:08,362 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:53:08,647 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:53:08,909 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:53:09,248 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-10-07 00:53:09,583 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-10-07 00:53:09,753 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:53:09,972 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:53:10,166 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:53:10,409 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-07 00:53:10,737 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:53:10,962 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:53:11,295 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:53:11,572 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:53:11,830 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:53:12,138 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-10-07 00:53:12,376 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:53:12,589 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-10-07 00:53:12,781 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:53:12,996 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-10-07 00:53:13,326 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:53:13,610 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:53:13,873 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-10-07 00:53:14,091 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-10-07 00:53:14,262 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:53:14,461 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:53:14,955 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-10-07 00:53:15,196 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:53:15,486 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:53:15,657 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-10-07 00:53:15,890 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-07 00:53:15,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:53:15,895 INFO L93 Difference]: Finished difference Result 443 states and 592 transitions. [2019-10-07 00:53:15,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2019-10-07 00:53:15,895 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 149 [2019-10-07 00:53:15,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:53:15,900 INFO L225 Difference]: With dead ends: 443 [2019-10-07 00:53:15,900 INFO L226 Difference]: Without dead ends: 441 [2019-10-07 00:53:15,905 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 338 SyntacticMatches, 54 SemanticMatches, 384 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54663 ImplicationChecksByTransitivity, 86.5s TimeCoverageRelationStatistics Valid=7989, Invalid=140621, Unknown=0, NotChecked=0, Total=148610 [2019-10-07 00:53:15,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-10-07 00:53:15,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 96. [2019-10-07 00:53:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-07 00:53:15,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2019-10-07 00:53:15,956 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 149 [2019-10-07 00:53:15,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:53:15,956 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2019-10-07 00:53:15,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 94 states. [2019-10-07 00:53:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2019-10-07 00:53:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-07 00:53:15,957 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:53:15,958 INFO L385 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:53:16,158 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:53:16,159 INFO L410 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:53:16,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:53:16,159 INFO L82 PathProgramCache]: Analyzing trace with hash 170111949, now seen corresponding path program 19 times [2019-10-07 00:53:16,160 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:53:16,160 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:53:16,160 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:53:16,160 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:53:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:53:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:53:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 592 proven. 113 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-10-07 00:53:17,835 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:53:17,835 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:53:17,835 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:53:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:53:18,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 37 conjunts are in the unsatisfiable core [2019-10-07 00:53:18,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:53:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 650 proven. 55 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-10-07 00:53:20,152 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:53:21,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 650 proven. 55 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-10-07 00:53:21,301 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:53:21,302 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:53:21,302 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:53:21,303 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:53:21,303 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:53:21,303 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:53:21,319 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:53:21,406 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,506 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,591 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,658 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,671 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,680 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,777 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,784 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,793 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,848 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,886 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:21,948 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:53:22,541 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:53:22,569 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:53:22,571 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:53:22,571 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:53:22,572 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:53:22,573 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:53:22,573 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:53:22,573 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:53:22,573 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:53:22,573 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:53:22,573 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:53:22,573 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:53:22,573 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:53:25,656 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:53:25,656 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36, 34, 13] total 113 [2019-10-07 00:53:25,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 113 states [2019-10-07 00:53:25,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2019-10-07 00:53:25,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2229, Invalid=10427, Unknown=0, NotChecked=0, Total=12656 [2019-10-07 00:53:25,659 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 113 states. [2019-10-07 00:53:25,990 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-10-07 00:53:27,797 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-07 00:53:34,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:53:34,959 INFO L93 Difference]: Finished difference Result 179 states and 216 transitions. [2019-10-07 00:53:34,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-10-07 00:53:34,959 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 163 [2019-10-07 00:53:34,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:53:34,961 INFO L225 Difference]: With dead ends: 179 [2019-10-07 00:53:34,961 INFO L226 Difference]: Without dead ends: 97 [2019-10-07 00:53:34,964 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 390 SyntacticMatches, 22 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14557 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=5582, Invalid=27724, Unknown=0, NotChecked=0, Total=33306 [2019-10-07 00:53:34,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-07 00:53:35,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-07 00:53:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-07 00:53:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 116 transitions. [2019-10-07 00:53:35,010 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 116 transitions. Word has length 163 [2019-10-07 00:53:35,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:53:35,011 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 116 transitions. [2019-10-07 00:53:35,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 113 states. [2019-10-07 00:53:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 116 transitions. [2019-10-07 00:53:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-07 00:53:35,012 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:53:35,012 INFO L385 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:53:35,212 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:53:35,213 INFO L410 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:53:35,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:53:35,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1972723973, now seen corresponding path program 20 times [2019-10-07 00:53:35,214 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:53:35,214 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:53:35,214 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:53:35,215 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:53:35,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:53:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:53:36,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 40 proven. 676 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-10-07 00:53:36,662 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:53:36,662 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:53:36,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:54:12,150 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2019-10-07 00:54:12,150 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:54:12,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 88 conjunts are in the unsatisfiable core [2019-10-07 00:54:12,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:54:12,987 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:12,992 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:13,211 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-10-07 00:54:13,719 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:13,725 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:14,209 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 72 [2019-10-07 00:54:18,849 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 72 [2019-10-07 00:54:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 716 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-10-07 00:54:47,286 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:54:47,874 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2019-10-07 00:54:48,125 WARN L225 Elim1Store]: Array PQE input equivalent to true [2019-10-07 00:54:48,153 WARN L225 Elim1Store]: Array PQE input equivalent to true [2019-10-07 00:54:48,375 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2019-10-07 00:54:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 40 proven. 676 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-10-07 00:54:49,762 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:54:49,763 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-07 00:54:49,763 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:54:49,763 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:54:49,763 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:54:49,763 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:54:49,781 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-07 00:54:49,974 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,050 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,124 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,134 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,144 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,187 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,335 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,378 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,464 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,498 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,506 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:50,513 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:54:51,064 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-10-07 00:54:51,088 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-07 00:54:51,090 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:54:51,090 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:54:51,090 INFO L193 IcfgInterpreter]: Reachable states at location L11 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:54:51,090 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 467#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:54:51,090 INFO L193 IcfgInterpreter]: Reachable states at location L45-2 satisfy 328#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= main_~i~0 2147483647) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:54:51,090 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 476#(and (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:54:51,090 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 462#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:54:51,091 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 457#(and (or (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:54:51,091 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 452#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 1 __VERIFIER_assert_~cond) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:54:51,091 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= ~CELLCOUNT~0 0) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:54:51,091 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~CELLCOUNT~0)|) (= |old(~CELLCOUNT~0)| ~CELLCOUNT~0) (<= ~CELLCOUNT~0 0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0) (= |old(#length)| |#length|)) [2019-10-07 00:54:51,092 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 481#(and (= ~CELLCOUNT~0 0) (= |#valid| (store |old(#valid)| 0 0)) (<= ~CELLCOUNT~0 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ~CELLCOUNT~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:54:51,092 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:54:51,092 INFO L193 IcfgInterpreter]: Reachable states at location L43-3 satisfy 388#(and (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) (or (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) (and (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)))) [2019-10-07 00:54:51,092 INFO L193 IcfgInterpreter]: Reachable states at location L22-3 satisfy 114#(and (or (and (<= |main_~#volArray~0.offset| 0) (not (= 0 (ite (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) 1 0))) (= 0 |#NULL.base|) (= (ite (and (< ~CELLCOUNT~0 0) (not (= (mod ~CELLCOUNT~0 2) 0))) (+ (mod ~CELLCOUNT~0 2) (- 2)) (mod ~CELLCOUNT~0 2)) 0) (= |main_~#volArray~0.offset| 0) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= main_~i~0 1) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (= main_~i~0 1) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) (and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (= |main_~#volArray~0.offset| 0) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0))) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= 1 main_~i~0) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3)) [2019-10-07 00:54:51,093 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (<= |main_~#volArray~0.offset| 0) (= 0 |#NULL.base|) (<= 0 |main_~#volArray~0.offset|) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 0 |old(~CELLCOUNT~0)|) (not (= |main_~#volArray~0.base| 0)) (= |#valid| (store |old(#valid)| |main_~#volArray~0.base| 1)) (= 1 main_~CCCELVOL1~0) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= 3 main_~CCCELVOL2~0) (= (store |old(#length)| |main_~#volArray~0.base| (* 4 ~CELLCOUNT~0)) |#length|) (<= 1 ~CELLCOUNT~0) (<= |#NULL.base| 0) (<= 1 main_~CCCELVOL1~0) (<= |old(~CELLCOUNT~0)| 0) (< |main_~#volArray~0.base| |#StackHeapBarrier|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (= 0 (select |old(#valid)| |main_~#volArray~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (<= 0 (+ ~CELLCOUNT~0 2147483648)) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:54:51,093 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 447#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0))) (or (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-07 00:54:51,093 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(and (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 ~CELLCOUNT~0) (<= ~CELLCOUNT~0 2147483647) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:54:51,093 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 443#(and (= |#NULL.base| 0) (= main_~CCCELVOL1~0 1) (<= |main_~#volArray~0.offset| 0) (<= 1 ~CELLCOUNT~0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 |main_~#volArray~0.offset|) (<= 1 main_~CCCELVOL1~0) (= |main_~#volArray~0.offset| 0) (<= 0 |#NULL.base|) (<= |old(~CELLCOUNT~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~CELLCOUNT~0)|) (<= ~CELLCOUNT~0 2147483647) (<= main_~CCCELVOL1~0 1) (<= 3 main_~CCCELVOL2~0) (<= main_~CCCELVOL2~0 3) (= main_~CCCELVOL2~0 3) (= |#NULL.offset| 0) (= |old(~CELLCOUNT~0)| 0)) [2019-10-07 00:54:56,075 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:54:56,076 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 40, 38, 13] total 102 [2019-10-07 00:54:56,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 102 states [2019-10-07 00:54:56,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2019-10-07 00:54:56,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=540, Invalid=9761, Unknown=1, NotChecked=0, Total=10302 [2019-10-07 00:54:56,077 INFO L87 Difference]: Start difference. First operand 97 states and 116 transitions. Second operand 102 states. [2019-10-07 00:54:56,588 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-10-07 00:54:59,710 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2019-10-07 00:55:02,019 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-10-07 00:55:04,374 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-10-07 00:55:06,811 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-10-07 00:55:07,235 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-10-07 00:55:09,718 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-10-07 00:55:12,263 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-10-07 00:55:12,988 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 95 [2019-10-07 00:55:13,623 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-10-07 00:55:14,385 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 97 [2019-10-07 00:55:15,058 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2019-10-07 00:55:15,472 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-10-07 00:55:16,239 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 109 [2019-10-07 00:55:16,630 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-10-07 00:55:18,852 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 96 [2019-10-07 00:55:19,612 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2019-10-07 00:55:19,980 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-10-07 00:55:22,227 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 105 [2019-10-07 00:55:23,054 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-10-07 00:55:23,412 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-10-07 00:55:25,625 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 97 [2019-10-07 00:55:26,443 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2019-10-07 00:55:26,770 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-10-07 00:55:27,781 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 147 [2019-10-07 00:55:28,633 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 98 [2019-10-07 00:55:29,053 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-10-07 00:55:30,042 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 157 [2019-10-07 00:55:30,873 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 96 [2019-10-07 00:55:33,275 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-10-07 00:55:58,478 WARN L191 SmtUtils]: Spent 24.63 s on a formula simplification. DAG size of input: 223 DAG size of output: 213 [2019-10-07 00:56:01,894 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 142 [2019-10-07 00:56:10,463 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-10-07 00:56:13,200 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2019-10-07 00:56:17,981 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 130 [2019-10-07 00:56:19,007 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 124 [2019-10-07 00:56:19,939 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2019-10-07 00:56:20,517 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-10-07 00:56:21,298 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 97 [2019-10-07 00:56:22,531 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2019-10-07 00:56:23,834 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2019-10-07 00:56:24,563 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 96 [2019-10-07 00:56:27,088 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2019-10-07 00:56:27,697 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-10-07 00:56:30,487 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-10-07 00:56:33,094 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-10-07 00:56:35,541 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-10-07 00:56:37,946 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-10-07 00:56:38,424 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2019-10-07 00:56:39,206 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 97 [2019-10-07 00:56:39,758 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-10-07 00:56:42,215 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2019-10-07 00:56:42,913 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 97 [2019-10-07 00:56:45,269 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-10-07 00:56:47,690 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-10-07 00:56:50,311 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:56:52,750 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-10-07 00:56:56,077 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-10-07 00:57:01,118 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2019-10-07 00:57:01,469 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-10-07 00:57:03,820 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-10-07 00:57:04,240 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-10-07 00:57:04,613 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-10-07 00:57:10,932 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 121 DAG size of output: 100 [2019-10-07 00:57:11,471 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2019-10-07 00:57:12,053 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-10-07 00:57:14,400 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2019-10-07 00:57:14,914 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2019-10-07 00:57:15,637 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 97 [2019-10-07 00:57:17,182 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2019-10-07 00:57:17,886 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 97 [2019-10-07 00:57:19,005 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2019-10-07 00:57:19,431 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-10-07 00:57:23,826 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 122 DAG size of output: 101 [2019-10-07 00:57:26,234 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2019-10-07 00:57:26,725 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2019-10-07 00:57:29,072 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 75 [2019-10-07 00:57:29,476 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 81 [2019-10-07 00:57:29,774 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2019-10-07 00:57:30,087 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2019-10-07 00:57:30,567 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2019-10-07 00:57:31,313 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 98 [2019-10-07 00:57:33,748 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2019-10-07 00:57:34,416 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 98 [2019-10-07 00:57:35,527 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2019-10-07 00:57:35,881 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2019-10-07 00:57:36,272 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2019-10-07 00:57:36,722 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2019-10-07 00:57:37,407 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 99 [2019-10-07 00:57:37,821 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2019-10-07 00:57:38,182 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-10-07 00:57:38,471 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2019-10-07 00:57:38,818 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2019-10-07 00:57:41,279 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2019-10-07 00:57:41,911 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 98 [2019-10-07 00:57:42,259 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2019-10-07 00:57:43,361 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2019-10-07 00:57:43,753 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2019-10-07 00:57:44,218 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2019-10-07 00:57:44,876 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2019-10-07 00:57:45,294 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 75 [2019-10-07 00:57:45,730 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 81