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/pnr3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 00:43:11,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 00:43:11,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 00:43:11,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 00:43:11,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 00:43:11,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 00:43:11,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 00:43:11,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 00:43:11,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 00:43:11,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 00:43:11,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 00:43:11,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 00:43:11,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 00:43:11,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 00:43:11,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 00:43:11,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 00:43:11,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 00:43:11,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 00:43:11,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 00:43:11,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 00:43:11,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 00:43:11,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 00:43:11,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 00:43:11,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 00:43:11,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 00:43:11,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 00:43:11,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 00:43:11,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 00:43:11,159 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 00:43:11,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 00:43:11,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 00:43:11,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 00:43:11,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 00:43:11,179 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 00:43:11,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 00:43:11,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 00:43:11,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 00:43:11,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 00:43:11,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 00:43:11,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 00:43:11,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 00:43:11,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 00:43:11,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 00:43:11,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 00:43:11,183 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 00:43:11,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 00:43:11,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 00:43:11,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 00:43:11,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 00:43:11,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 00:43:11,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 00:43:11,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 00:43:11,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 00:43:11,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 00:43:11,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 00:43:11,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 00:43:11,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 00:43:11,186 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 00:43:11,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 00:43:11,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 00:43:11,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 00:43:11,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 00:43:11,559 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 00:43:11,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr3.c [2019-10-07 00:43:11,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f5731a9/f12ad12d89384b9582419d3e0d8030bc/FLAG78e052585 [2019-10-07 00:43:12,123 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 00:43:12,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/pnr3.c [2019-10-07 00:43:12,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f5731a9/f12ad12d89384b9582419d3e0d8030bc/FLAG78e052585 [2019-10-07 00:43:12,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f5731a9/f12ad12d89384b9582419d3e0d8030bc [2019-10-07 00:43:12,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 00:43:12,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 00:43:12,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 00:43:12,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 00:43:12,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 00:43:12,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45070ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12, skipping insertion in model container [2019-10-07 00:43:12,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,559 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 00:43:12,578 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 00:43:12,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:43:12,799 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 00:43:12,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:43:12,836 INFO L192 MainTranslator]: Completed translation [2019-10-07 00:43:12,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12 WrapperNode [2019-10-07 00:43:12,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 00:43:12,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 00:43:12,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 00:43:12,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 00:43:12,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (1/1) ... [2019-10-07 00:43:12,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 00:43:12,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 00:43:12,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 00:43:12,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 00:43:12,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (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 00:43:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 00:43:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 00:43:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-07 00:43:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2019-10-07 00:43:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 00:43:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 00:43:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 00:43:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 00:43:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 00:43:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 00:43:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2019-10-07 00:43:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 00:43:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 00:43:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 00:43:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 00:43:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 00:43:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 00:43:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 00:43:13,514 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 00:43:13,515 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-07 00:43:13,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:43:13 BoogieIcfgContainer [2019-10-07 00:43:13,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 00:43:13,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 00:43:13,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 00:43:13,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 00:43:13,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:43:12" (1/3) ... [2019-10-07 00:43:13,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58df2ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:43:13, skipping insertion in model container [2019-10-07 00:43:13,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:12" (2/3) ... [2019-10-07 00:43:13,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58df2ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:43:13, skipping insertion in model container [2019-10-07 00:43:13,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:43:13" (3/3) ... [2019-10-07 00:43:13,525 INFO L109 eAbstractionObserver]: Analyzing ICFG pnr3.c [2019-10-07 00:43:13,535 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 00:43:13,543 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 00:43:13,553 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 00:43:13,577 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 00:43:13,578 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 00:43:13,578 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 00:43:13,578 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 00:43:13,578 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 00:43:13,578 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 00:43:13,578 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 00:43:13,579 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 00:43:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-10-07 00:43:13,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 00:43:13,602 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:43:13,603 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:43:13,605 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:43:13,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:43:13,611 INFO L82 PathProgramCache]: Analyzing trace with hash 557815037, now seen corresponding path program 1 times [2019-10-07 00:43:13,618 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:43:13,618 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:43:13,618 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:43:13,618 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:43:13,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:43:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:43:13,971 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 00:43:13,972 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:43:13,975 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:43:13,976 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 00:43:13,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 00:43:14,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 00:43:14,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 00:43:14,008 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 4 states. [2019-10-07 00:43:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:43:14,191 INFO L93 Difference]: Finished difference Result 56 states and 67 transitions. [2019-10-07 00:43:14,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 00:43:14,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-07 00:43:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:43:14,205 INFO L225 Difference]: With dead ends: 56 [2019-10-07 00:43:14,205 INFO L226 Difference]: Without dead ends: 32 [2019-10-07 00:43:14,213 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 00:43:14,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-07 00:43:14,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2019-10-07 00:43:14,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-07 00:43:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2019-10-07 00:43:14,279 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 13 [2019-10-07 00:43:14,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:43:14,279 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-10-07 00:43:14,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 00:43:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2019-10-07 00:43:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-07 00:43:14,283 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:43:14,283 INFO L385 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:43:14,284 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:43:14,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:43:14,285 INFO L82 PathProgramCache]: Analyzing trace with hash 886321416, now seen corresponding path program 1 times [2019-10-07 00:43:14,286 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:43:14,286 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:43:14,286 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:43:14,286 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:43:14,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:43:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:43:14,863 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2019-10-07 00:43:15,059 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 35 [2019-10-07 00:43:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 00:43:15,317 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:43:15,317 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:43:15,317 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 00:43:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:43:15,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-07 00:43:15,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:43:15,581 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-10-07 00:43:15,582 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 00:43:15,612 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:43:15,620 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 30 treesize of output 26 [2019-10-07 00:43:15,621 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 00:43:15,652 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:43:15,653 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 00:43:15,654 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:57, output treesize:46 [2019-10-07 00:43:15,725 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:43:15,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:43:15,750 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2019-10-07 00:43:15,751 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 00:43:15,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:43:15,764 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2019-10-07 00:43:15,765 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 00:43:15,801 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:43:15,803 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 00:43:15,803 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:83, output treesize:72 [2019-10-07 00:43:15,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:43:15,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:43:15,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:43:15,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:43:15,911 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2019-10-07 00:43:15,913 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 00:43:15,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:43:15,920 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:43:15,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 00:43:15,930 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2019-10-07 00:43:15,933 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 00:43:15,962 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:43:15,964 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 00:43:15,965 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:78, output treesize:64 [2019-10-07 00:43:16,087 INFO L341 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2019-10-07 00:43:16,088 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 16 [2019-10-07 00:43:16,089 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 00:43:16,095 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:43:16,096 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 00:43:16,105 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:8 [2019-10-07 00:43:16,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:43:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 00:43:16,203 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:43:16,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:43:16,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:43:16,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 00:43:16,392 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 20 treesize of output 18 [2019-10-07 00:43:16,401 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 30 treesize of output 28 [2019-10-07 00:43:16,402 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-10-07 00:43:16,421 INFO L567 ElimStorePlain]: treesize reduction 15, result has 44.4 percent of original size [2019-10-07 00:43:16,421 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-07 00:43:16,432 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 00:43:16,437 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 16 treesize of output 14 [2019-10-07 00:43:16,452 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 30 treesize of output 28 [2019-10-07 00:43:16,453 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-10-07 00:43:16,465 INFO L567 ElimStorePlain]: treesize reduction 10, result has 56.5 percent of original size [2019-10-07 00:43:16,466 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-10-07 00:43:16,477 INFO L567 ElimStorePlain]: treesize reduction 12, result has 52.0 percent of original size [2019-10-07 00:43:16,478 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-10-07 00:43:16,479 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:37, output treesize:13 [2019-10-07 00:43:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 00:43:16,554 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:43:16,595 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-07 00:43:16,595 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:43:16,607 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:43:16,617 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:43:16,618 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:43:16,812 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 00:43:17,078 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:43:17,159 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:43:32,150 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:43:32,159 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 56 for LOIs [2019-10-07 00:43:32,168 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:43:32,173 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:43:32,174 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:43:32,174 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2008#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:32,174 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2125#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:43:32,174 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1246#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:32,174 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2143#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:43:32,174 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 871#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:43:32,175 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2139#(exists ((v_main_~a~0.base_BEFORE_CALL_96 Int) (v_main_~i~0_BEFORE_CALL_127 Int) (v_prenex_596 Int) (v_main_~a~0.offset_BEFORE_CALL_127 Int) (v_prenex_594 Int) (v_prenex_595 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 1 v_prenex_595) (<= 0 |#NULL.base|) (<= (select (select |#memory_int| v_prenex_594) (+ (* 12 v_prenex_595) v_prenex_596 (- 8))) 2147483647) (= ~MAX~0 100000) (<= v_prenex_596 0) (not (= 0 (select (select |#memory_int| v_prenex_594) (+ (* 12 v_prenex_595) v_prenex_596 (- 8))))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_596) (<= 0 (+ (select (select |#memory_int| v_prenex_594) (+ (* 12 v_prenex_595) v_prenex_596 (- 8))) 2147483648)) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (= 10 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_96) (+ (* 12 v_main_~i~0_BEFORE_CALL_127) v_main_~a~0.offset_BEFORE_CALL_127 (- 8)))) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_127) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_127 0) (<= 1 v_main_~i~0_BEFORE_CALL_127) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)))) [2019-10-07 00:43:32,175 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2120#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:43:32,175 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:43:32,175 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:43:32,176 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2148#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:43:32,176 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1525#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:32,176 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2134#(or (exists ((v_main_~a~0.base_BEFORE_CALL_96 Int) (v_main_~i~0_BEFORE_CALL_127 Int) (v_prenex_596 Int) (v_main_~a~0.offset_BEFORE_CALL_127 Int) (v_prenex_594 Int) (v_prenex_595 Int)) (or (and (= 10 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_96) (+ (* 12 v_main_~i~0_BEFORE_CALL_127) v_main_~a~0.offset_BEFORE_CALL_127 (- 8)))) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_127) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_127 0) (<= 1 v_main_~i~0_BEFORE_CALL_127) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 1 v_prenex_595) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= (select (select |#memory_int| v_prenex_594) (+ (* 12 v_prenex_595) v_prenex_596 (- 8))) 2147483647) (<= v_prenex_596 0) (not (= 0 (select (select |#memory_int| v_prenex_594) (+ (* 12 v_prenex_595) v_prenex_596 (- 8))))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_596) (<= 0 (+ (select (select |#memory_int| v_prenex_594) (+ (* 12 v_prenex_595) v_prenex_596 (- 8))) 2147483648)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0))) [2019-10-07 00:43:32,176 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:43:32,177 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:32,177 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1082#true [2019-10-07 00:43:32,177 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2115#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1))) [2019-10-07 00:43:32,177 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:43:32,178 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2130#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:43:32,178 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 1893#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:32,178 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 1661#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (<= 1 main_~i~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:32,178 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 708#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:32,179 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2111#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:32,803 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:43:33,846 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:43:34,238 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2019-10-07 00:43:34,406 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:43:34,407 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 9, 19] total 41 [2019-10-07 00:43:34,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-10-07 00:43:34,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-10-07 00:43:34,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1489, Unknown=0, NotChecked=0, Total=1640 [2019-10-07 00:43:34,412 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 41 states. [2019-10-07 00:43:34,797 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2019-10-07 00:43:35,255 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2019-10-07 00:43:35,619 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 52 [2019-10-07 00:43:35,865 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2019-10-07 00:43:36,212 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2019-10-07 00:43:36,397 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-10-07 00:43:36,727 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2019-10-07 00:43:37,174 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2019-10-07 00:43:37,337 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 53 [2019-10-07 00:43:37,549 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-10-07 00:43:37,808 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-10-07 00:43:38,077 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-10-07 00:43:38,416 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2019-10-07 00:43:38,788 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-10-07 00:43:39,168 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2019-10-07 00:43:39,935 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2019-10-07 00:43:40,160 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-10-07 00:43:40,546 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-10-07 00:43:40,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:43:40,553 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2019-10-07 00:43:40,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-10-07 00:43:40,554 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 26 [2019-10-07 00:43:40,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:43:40,558 INFO L225 Difference]: With dead ends: 51 [2019-10-07 00:43:40,558 INFO L226 Difference]: Without dead ends: 49 [2019-10-07 00:43:40,561 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=611, Invalid=4645, Unknown=0, NotChecked=0, Total=5256 [2019-10-07 00:43:40,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-07 00:43:40,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2019-10-07 00:43:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-07 00:43:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2019-10-07 00:43:40,577 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 26 [2019-10-07 00:43:40,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:43:40,578 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2019-10-07 00:43:40,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-10-07 00:43:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2019-10-07 00:43:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 00:43:40,580 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:43:40,583 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:43:40,788 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:43:40,789 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:43:40,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:43:40,790 INFO L82 PathProgramCache]: Analyzing trace with hash -767872105, now seen corresponding path program 1 times [2019-10-07 00:43:40,790 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:43:40,790 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:43:40,791 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:43:40,791 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:43:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:43:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:43:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 00:43:41,162 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:43:41,162 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:43:41,162 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 00:43:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:43:41,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-07 00:43:41,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:43:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 00:43:41,516 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:43:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 00:43:41,639 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:43:41,641 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:43:41,641 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:43:41,642 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:43:41,642 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:43:41,642 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:43:41,673 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 00:43:41,974 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:43:42,058 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:43:55,391 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:43:55,403 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 58 for LOIs [2019-10-07 00:43:55,410 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:43:55,414 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:43:55,414 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:43:55,414 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2400#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:55,415 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 2522#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:43:55,415 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:43:55,415 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:43:55,415 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1861#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:55,416 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2536#(or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (exists ((v_prenex_1668 Int) (v_main_~a~0.base_BEFORE_CALL_276 Int) (v_main_~i~0_BEFORE_CALL_373 Int) (v_prenex_1670 Int) (v_main_~a~0.offset_BEFORE_CALL_361 Int) (v_prenex_1669 Int)) (or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_276) (+ (* 12 v_main_~i~0_BEFORE_CALL_373) v_main_~a~0.offset_BEFORE_CALL_361 (- 8))) 10) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 1 v_main_~i~0_BEFORE_CALL_373) (<= 10 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_276) (+ (* 12 v_main_~i~0_BEFORE_CALL_373) v_main_~a~0.offset_BEFORE_CALL_361 (- 8)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_361) (<= v_main_~a~0.offset_BEFORE_CALL_361 0) (= |#NULL.offset| 0) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_276) (+ (* 12 v_main_~i~0_BEFORE_CALL_373) v_main_~a~0.offset_BEFORE_CALL_361 (- 8))) 10) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 v_prenex_1670) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 1 v_prenex_1669) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= (select (select |#memory_int| v_prenex_1668) (+ (* 12 v_prenex_1669) v_prenex_1670 (- 8))) 2147483647) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_prenex_1670 0) (<= 0 (+ (select (select |#memory_int| v_prenex_1668) (+ (* 12 v_prenex_1669) v_prenex_1670 (- 8))) 2147483648)) (not (= (select (select |#memory_int| v_prenex_1668) (+ (* 12 v_prenex_1669) v_prenex_1670 (- 8))) 0)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))) [2019-10-07 00:43:55,416 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1362#true [2019-10-07 00:43:55,416 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:43:55,416 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2532#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:43:55,417 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 2285#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:55,417 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 2053#(and (or (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:55,417 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 1001#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:55,418 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2527#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:43:55,418 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1526#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:55,418 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 633#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:43:55,418 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2545#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:43:55,418 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1186#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:43:55,418 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 2517#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:43:55,418 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2541#(exists ((v_prenex_1668 Int) (v_main_~a~0.base_BEFORE_CALL_276 Int) (v_main_~i~0_BEFORE_CALL_373 Int) (v_prenex_1670 Int) (v_main_~a~0.offset_BEFORE_CALL_361 Int) (v_prenex_1669 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_276) (+ (* 12 v_main_~i~0_BEFORE_CALL_373) v_main_~a~0.offset_BEFORE_CALL_361 (- 8))) 10) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 1 v_main_~i~0_BEFORE_CALL_373) (<= 10 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_276) (+ (* 12 v_main_~i~0_BEFORE_CALL_373) v_main_~a~0.offset_BEFORE_CALL_361 (- 8)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_361) (<= v_main_~a~0.offset_BEFORE_CALL_361 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_276) (+ (* 12 v_main_~i~0_BEFORE_CALL_373) v_main_~a~0.offset_BEFORE_CALL_361 (- 8))) 10) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= 0 v_prenex_1670) (<= 1 v_prenex_1669) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= (select (select |#memory_int| v_prenex_1668) (+ (* 12 v_prenex_1669) v_prenex_1670 (- 8))) 2147483647) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_prenex_1670 0) (<= 0 (+ (select (select |#memory_int| v_prenex_1668) (+ (* 12 v_prenex_1669) v_prenex_1670 (- 8))) 2147483648)) (not (= (select (select |#memory_int| v_prenex_1668) (+ (* 12 v_prenex_1669) v_prenex_1670 (- 8))) 0)) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)))) [2019-10-07 00:43:55,419 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2512#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:43:55,419 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2550#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:43:55,419 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:43:55,419 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:55,419 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2507#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0))) [2019-10-07 00:43:55,419 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2503#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:43:55,977 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:43:56,871 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:43:57,234 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-07 00:43:57,461 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:43:57,461 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 8, 21] total 43 [2019-10-07 00:43:57,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-10-07 00:43:57,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-10-07 00:43:57,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1605, Unknown=0, NotChecked=0, Total=1806 [2019-10-07 00:43:57,464 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand 43 states. [2019-10-07 00:43:57,788 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-10-07 00:43:58,221 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-10-07 00:43:58,747 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-10-07 00:43:59,089 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:44:00,644 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-10-07 00:44:01,242 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-10-07 00:44:02,849 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:44:03,412 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-10-07 00:44:03,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:44:03,654 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2019-10-07 00:44:03,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-10-07 00:44:03,655 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 47 [2019-10-07 00:44:03,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:44:03,657 INFO L225 Difference]: With dead ends: 72 [2019-10-07 00:44:03,657 INFO L226 Difference]: Without dead ends: 49 [2019-10-07 00:44:03,659 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 107 SyntacticMatches, 3 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2462 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=937, Invalid=6895, Unknown=0, NotChecked=0, Total=7832 [2019-10-07 00:44:03,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-07 00:44:03,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2019-10-07 00:44:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-07 00:44:03,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2019-10-07 00:44:03,676 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 47 [2019-10-07 00:44:03,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:44:03,677 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2019-10-07 00:44:03,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-10-07 00:44:03,677 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2019-10-07 00:44:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-07 00:44:03,684 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:44:03,684 INFO L385 BasicCegarLoop]: trace histogram [6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:44:03,885 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:44:03,885 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:44:03,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:44:03,886 INFO L82 PathProgramCache]: Analyzing trace with hash -2131161886, now seen corresponding path program 2 times [2019-10-07 00:44:03,886 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:44:03,887 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:03,887 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:03,887 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:44:03,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:44:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:44:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-07 00:44:04,244 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:44:04,244 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:44:04,244 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 00:44:04,504 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-10-07 00:44:04,504 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:44:04,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-07 00:44:04,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:44:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 18 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 00:44:06,146 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:44:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-07 00:44:06,912 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:44:06,914 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:44:06,914 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:44:06,915 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:44:06,915 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:44:06,915 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:44:06,942 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 00:44:07,213 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:07,270 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:44:18,691 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:44:18,700 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 58 for LOIs [2019-10-07 00:44:18,706 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:44:18,710 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:44:18,710 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:44:18,710 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2288#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:44:18,711 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 2410#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:44:18,711 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:44:18,711 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:44:18,711 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1805#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:44:18,711 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2424#(or (exists ((v_prenex_2832 Int) (v_main_~i~0_BEFORE_CALL_635 Int) (v_prenex_2833 Int) (v_prenex_2834 Int) (v_main_~a~0.base_BEFORE_CALL_474 Int) (v_main_~a~0.offset_BEFORE_CALL_617 Int)) (or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_474) (+ (* 12 v_main_~i~0_BEFORE_CALL_635) v_main_~a~0.offset_BEFORE_CALL_617 (- 8))) 10) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_main_~i~0_BEFORE_CALL_635) (<= 10 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_474) (+ (* 12 v_main_~i~0_BEFORE_CALL_635) v_main_~a~0.offset_BEFORE_CALL_617 (- 8)))) (<= 0 v_main_~a~0.offset_BEFORE_CALL_617) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_474) (+ (* 12 v_main_~i~0_BEFORE_CALL_635) v_main_~a~0.offset_BEFORE_CALL_617 (- 8))) 10) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_617 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (not (= (select (select |#memory_int| v_prenex_2833) (+ (* 12 v_prenex_2832) v_prenex_2834 (- 8))) 0)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_prenex_2834) (<= 0 (+ (select (select |#memory_int| v_prenex_2833) (+ (* 12 v_prenex_2832) v_prenex_2834 (- 8))) 2147483648)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_prenex_2834 0) (<= (select (select |#memory_int| v_prenex_2833) (+ (* 12 v_prenex_2832) v_prenex_2834 (- 8))) 2147483647) (<= 1 v_prenex_2832) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0))) [2019-10-07 00:44:18,711 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1362#true [2019-10-07 00:44:18,712 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:44:18,712 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2420#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:44:18,712 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 2173#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (not (= main_~value~0 main_~DEFAULTVAL~0)) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0))) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:44:18,713 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 1941#(and (or (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:44:18,713 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 1001#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:44:18,713 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2415#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:44:18,720 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1526#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:44:18,721 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 633#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:44:18,721 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2433#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:44:18,721 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1186#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:44:18,721 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 2405#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:44:18,721 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2429#(exists ((v_prenex_2832 Int) (v_prenex_2833 Int) (v_main_~i~0_BEFORE_CALL_635 Int) (v_prenex_2834 Int) (v_main_~a~0.base_BEFORE_CALL_474 Int) (v_main_~a~0.offset_BEFORE_CALL_617 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (not (= (select (select |#memory_int| v_prenex_2833) (+ (* 12 v_prenex_2832) v_prenex_2834 (- 8))) 0)) (<= 0 |#NULL.base|) (<= 0 v_prenex_2834) (= ~MAX~0 100000) (<= 0 (+ (select (select |#memory_int| v_prenex_2833) (+ (* 12 v_prenex_2832) v_prenex_2834 (- 8))) 2147483648)) (<= v_prenex_2834 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= (select (select |#memory_int| v_prenex_2833) (+ (* 12 v_prenex_2832) v_prenex_2834 (- 8))) 2147483647) (<= 1 v_prenex_2832) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_474) (+ (* 12 v_main_~i~0_BEFORE_CALL_635) v_main_~a~0.offset_BEFORE_CALL_617 (- 8))) 10) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_main_~i~0_BEFORE_CALL_635) (<= 10 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_474) (+ (* 12 v_main_~i~0_BEFORE_CALL_635) v_main_~a~0.offset_BEFORE_CALL_617 (- 8)))) (<= 0 v_main_~a~0.offset_BEFORE_CALL_617) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_474) (+ (* 12 v_main_~i~0_BEFORE_CALL_635) v_main_~a~0.offset_BEFORE_CALL_617 (- 8))) 10) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= v_main_~a~0.offset_BEFORE_CALL_617 0) (<= 100000 ~MAX~0)))) [2019-10-07 00:44:18,722 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2400#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:44:18,722 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2438#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:44:18,722 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:44:18,722 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:44:18,722 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2395#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0))) [2019-10-07 00:44:18,723 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2391#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:44:31,378 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:44:34,615 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-10-07 00:44:37,032 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-07 00:44:37,407 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:44:37,407 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 13, 21] total 54 [2019-10-07 00:44:37,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2019-10-07 00:44:37,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2019-10-07 00:44:37,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=2605, Unknown=8, NotChecked=0, Total=2862 [2019-10-07 00:44:37,411 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand 54 states. [2019-10-07 00:44:48,736 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-10-07 00:45:00,130 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-10-07 00:45:04,919 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-10-07 00:45:05,274 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-10-07 00:45:08,338 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-10-07 00:45:10,749 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2019-10-07 00:45:11,089 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 61 [2019-10-07 00:45:11,697 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 68 [2019-10-07 00:45:13,352 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-10-07 00:45:13,682 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-10-07 00:45:14,474 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-10-07 00:45:15,956 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-10-07 00:45:16,608 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-10-07 00:45:17,548 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-10-07 00:45:17,979 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-10-07 00:45:19,213 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2019-10-07 00:45:19,620 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-10-07 00:45:20,318 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-10-07 00:45:20,703 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-10-07 00:45:21,402 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-10-07 00:45:21,767 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-10-07 00:45:21,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:45:21,778 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2019-10-07 00:45:21,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2019-10-07 00:45:21,778 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 60 [2019-10-07 00:45:21,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:45:21,783 INFO L225 Difference]: With dead ends: 103 [2019-10-07 00:45:21,783 INFO L226 Difference]: Without dead ends: 101 [2019-10-07 00:45:21,787 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 135 SyntacticMatches, 10 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5109 ImplicationChecksByTransitivity, 43.5s TimeCoverageRelationStatistics Valid=1730, Invalid=14512, Unknown=14, NotChecked=0, Total=16256 [2019-10-07 00:45:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-07 00:45:21,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 61. [2019-10-07 00:45:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-10-07 00:45:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2019-10-07 00:45:21,808 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 60 [2019-10-07 00:45:21,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:45:21,808 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2019-10-07 00:45:21,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 54 states. [2019-10-07 00:45:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2019-10-07 00:45:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-07 00:45:21,810 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:45:21,810 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:45:22,011 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:22,012 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:45:22,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:45:22,012 INFO L82 PathProgramCache]: Analyzing trace with hash 958276605, now seen corresponding path program 3 times [2019-10-07 00:45:22,012 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:45:22,013 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:22,013 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:22,013 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:22,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:45:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:45:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 53 proven. 25 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-07 00:45:22,518 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:22,518 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:45:22,518 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 00:45:22,868 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:45:22,868 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:45:22,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-07 00:45:22,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:45:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 69 proven. 9 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-07 00:45:23,197 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:45:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 69 proven. 9 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-07 00:45:23,405 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:45:23,406 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:45:23,407 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:45:23,407 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:45:23,407 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:45:23,407 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:45:23,426 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-07 00:45:23,777 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:23,844 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:35,713 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:45:35,724 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 56 for LOIs [2019-10-07 00:45:35,730 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:45:35,732 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:45:35,732 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:45:35,733 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2288#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:45:35,733 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 2410#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:45:35,733 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:45:35,733 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:45:35,733 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1805#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:45:35,733 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2424#(or (exists ((v_prenex_3966 Int) (v_main_~a~0.offset_BEFORE_CALL_851 Int) (v_prenex_3967 Int) (v_main_~a~0.base_BEFORE_CALL_654 Int) (v_main_~i~0_BEFORE_CALL_893 Int) (v_prenex_3968 Int)) (or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_851) (<= v_main_~a~0.offset_BEFORE_CALL_851 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_main_~i~0_BEFORE_CALL_893) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_654) (+ v_main_~a~0.offset_BEFORE_CALL_851 (* 12 v_main_~i~0_BEFORE_CALL_893) (- 8))) 10) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (not (= (select (select |#memory_int| v_prenex_3967) (+ v_prenex_3966 (* 12 v_prenex_3968) (- 8))) 0)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 (+ (select (select |#memory_int| v_prenex_3967) (+ v_prenex_3966 (* 12 v_prenex_3968) (- 8))) 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_3966) (<= v_prenex_3966 0) (<= 1 v_prenex_3968) (<= (select (select |#memory_int| v_prenex_3967) (+ v_prenex_3966 (* 12 v_prenex_3968) (- 8))) 2147483647) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0))) [2019-10-07 00:45:35,733 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1362#true [2019-10-07 00:45:35,734 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:45:35,734 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2420#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:45:35,734 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 2173#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:45:35,734 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 1941#(and (or (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:45:35,734 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 1001#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:45:35,734 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2415#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:45:35,734 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1526#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:45:35,735 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 633#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:45:35,735 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2433#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:45:35,735 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1186#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:45:35,735 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 2405#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:45:35,735 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2429#(exists ((v_prenex_3966 Int) (v_main_~a~0.offset_BEFORE_CALL_851 Int) (v_prenex_3967 Int) (v_main_~a~0.base_BEFORE_CALL_654 Int) (v_main_~i~0_BEFORE_CALL_893 Int) (v_prenex_3968 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_851 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_851) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_main_~i~0_BEFORE_CALL_893) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_654) (+ v_main_~a~0.offset_BEFORE_CALL_851 (* 12 v_main_~i~0_BEFORE_CALL_893) (- 8))) 10) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (not (= (select (select |#memory_int| v_prenex_3967) (+ v_prenex_3966 (* 12 v_prenex_3968) (- 8))) 0)) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 (+ (select (select |#memory_int| v_prenex_3967) (+ v_prenex_3966 (* 12 v_prenex_3968) (- 8))) 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_3966) (<= v_prenex_3966 0) (<= (select (select |#memory_int| v_prenex_3967) (+ v_prenex_3966 (* 12 v_prenex_3968) (- 8))) 2147483647) (<= 1 v_prenex_3968) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)))) [2019-10-07 00:45:35,735 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2400#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:45:35,735 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2438#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:45:35,735 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:45:35,736 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:45:35,736 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2395#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0))) [2019-10-07 00:45:35,736 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2391#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:45:36,310 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:45:37,296 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:45:37,674 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-07 00:45:37,940 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:45:37,941 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 12, 21] total 55 [2019-10-07 00:45:37,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2019-10-07 00:45:37,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2019-10-07 00:45:37,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=2607, Unknown=0, NotChecked=0, Total=2970 [2019-10-07 00:45:37,945 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand 55 states. [2019-10-07 00:45:38,309 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-10-07 00:45:38,778 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-10-07 00:45:39,312 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-10-07 00:45:39,674 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:45:40,420 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-10-07 00:45:40,754 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-10-07 00:45:42,232 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-10-07 00:45:42,854 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-10-07 00:45:44,661 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:45:45,248 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-10-07 00:45:46,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:45:46,565 INFO L93 Difference]: Finished difference Result 103 states and 124 transitions. [2019-10-07 00:45:46,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2019-10-07 00:45:46,568 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 81 [2019-10-07 00:45:46,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:45:46,570 INFO L225 Difference]: With dead ends: 103 [2019-10-07 00:45:46,570 INFO L226 Difference]: Without dead ends: 71 [2019-10-07 00:45:46,574 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 201 SyntacticMatches, 3 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4621 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1634, Invalid=12172, Unknown=0, NotChecked=0, Total=13806 [2019-10-07 00:45:46,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-07 00:45:46,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2019-10-07 00:45:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-07 00:45:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2019-10-07 00:45:46,590 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 81 [2019-10-07 00:45:46,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:45:46,590 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2019-10-07 00:45:46,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 55 states. [2019-10-07 00:45:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2019-10-07 00:45:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-07 00:45:46,592 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:45:46,592 INFO L385 BasicCegarLoop]: trace histogram [9, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:45:46,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:45:46,794 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:45:46,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:45:46,794 INFO L82 PathProgramCache]: Analyzing trace with hash -727324024, now seen corresponding path program 4 times [2019-10-07 00:45:46,794 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:45:46,795 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:46,795 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:46,795 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:45:46,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:45:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:45:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 12 proven. 81 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-07 00:45:47,328 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:45:47,328 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:45:47,329 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 00:45:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:45:47,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 34 conjunts are in the unsatisfiable core [2019-10-07 00:45:47,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:45:48,790 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 12 proven. 81 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-07 00:45:48,790 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:45:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 12 proven. 81 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-07 00:45:49,091 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:45:49,092 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:45:49,092 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:45:49,093 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:45:49,093 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:45:49,093 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:45:49,118 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 00:45:49,321 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:45:49,375 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:01,085 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:46:01,103 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 56 for LOIs [2019-10-07 00:46:01,108 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:46:01,111 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:46:01,111 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:46:01,111 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2288#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:01,112 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 2410#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:46:01,112 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:46:01,112 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:46:01,112 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1805#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:01,112 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2424#(or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (exists ((v_main_~a~0.offset_BEFORE_CALL_1101 Int) (v_prenex_5127 Int) (v_prenex_5126 Int) (v_main_~a~0.base_BEFORE_CALL_850 Int) (v_prenex_5128 Int) (v_main_~i~0_BEFORE_CALL_1155 Int)) (or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_1101 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1101) (= 10 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_850) (+ v_main_~a~0.offset_BEFORE_CALL_1101 (* 12 v_main_~i~0_BEFORE_CALL_1155) (- 8)))) (<= 1 v_main_~i~0_BEFORE_CALL_1155) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 v_prenex_5126) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_prenex_5126 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 (+ (select (select |#memory_int| v_prenex_5127) (+ v_prenex_5126 (* 12 v_prenex_5128) (- 8))) 2147483648)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_prenex_5127) (+ v_prenex_5126 (* 12 v_prenex_5128) (- 8))))) (<= (select (select |#memory_int| v_prenex_5127) (+ v_prenex_5126 (* 12 v_prenex_5128) (- 8))) 2147483647) (<= 1 v_prenex_5128) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))) [2019-10-07 00:46:01,112 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1362#true [2019-10-07 00:46:01,112 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:46:01,112 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2420#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 2173#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 1941#(and (or (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 1001#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2415#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1526#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 633#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2433#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1186#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:46:01,113 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 2405#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:46:01,114 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2429#(exists ((v_main_~a~0.offset_BEFORE_CALL_1101 Int) (v_prenex_5127 Int) (v_prenex_5126 Int) (v_main_~a~0.base_BEFORE_CALL_850 Int) (v_prenex_5128 Int) (v_main_~i~0_BEFORE_CALL_1155 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1101) (<= v_main_~a~0.offset_BEFORE_CALL_1101 0) (= 10 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_850) (+ v_main_~a~0.offset_BEFORE_CALL_1101 (* 12 v_main_~i~0_BEFORE_CALL_1155) (- 8)))) (<= 1 v_main_~i~0_BEFORE_CALL_1155) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= 0 v_prenex_5126) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_prenex_5126 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 (+ (select (select |#memory_int| v_prenex_5127) (+ v_prenex_5126 (* 12 v_prenex_5128) (- 8))) 2147483648)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_prenex_5127) (+ v_prenex_5126 (* 12 v_prenex_5128) (- 8))))) (<= (select (select |#memory_int| v_prenex_5127) (+ v_prenex_5126 (* 12 v_prenex_5128) (- 8))) 2147483647) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 1 v_prenex_5128) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)))) [2019-10-07 00:46:01,114 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2400#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:46:01,114 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2438#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:46:01,114 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:46:01,114 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:01,114 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2395#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1))) [2019-10-07 00:46:01,114 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2391#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:01,823 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:46:03,035 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:46:03,459 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-07 00:46:03,778 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:46:03,779 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 17, 21] total 60 [2019-10-07 00:46:03,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 60 states [2019-10-07 00:46:03,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2019-10-07 00:46:03,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=3288, Unknown=0, NotChecked=0, Total=3540 [2019-10-07 00:46:03,783 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand 60 states. [2019-10-07 00:46:04,161 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:46:04,571 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-10-07 00:46:05,100 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2019-10-07 00:46:05,425 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-10-07 00:46:06,190 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-10-07 00:46:06,459 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-10-07 00:46:06,846 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-10-07 00:46:07,040 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-10-07 00:46:07,281 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-10-07 00:46:07,481 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-10-07 00:46:07,719 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-10-07 00:46:08,031 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-10-07 00:46:08,445 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-10-07 00:46:08,651 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-10-07 00:46:09,750 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-10-07 00:46:09,969 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-10-07 00:46:10,181 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-10-07 00:46:10,411 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-10-07 00:46:10,730 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-10-07 00:46:11,687 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-10-07 00:46:11,925 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-10-07 00:46:12,465 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-10-07 00:46:13,316 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-10-07 00:46:13,652 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-10-07 00:46:14,503 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2019-10-07 00:46:14,735 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-10-07 00:46:15,214 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 60 [2019-10-07 00:46:15,833 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-10-07 00:46:16,860 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-10-07 00:46:17,179 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2019-10-07 00:46:18,045 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-10-07 00:46:18,297 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2019-10-07 00:46:19,280 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-10-07 00:46:20,228 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-10-07 00:46:20,425 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-10-07 00:46:20,607 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2019-10-07 00:46:21,126 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-10-07 00:46:21,319 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-10-07 00:46:22,301 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-10-07 00:46:22,602 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-10-07 00:46:22,791 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 00:46:23,845 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 00:46:24,029 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-10-07 00:46:24,310 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-10-07 00:46:24,916 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-10-07 00:46:25,089 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-10-07 00:46:25,369 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 00:46:25,543 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-10-07 00:46:25,816 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-10-07 00:46:26,093 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-10-07 00:46:26,551 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-10-07 00:46:26,919 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-10-07 00:46:27,136 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-10-07 00:46:27,543 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-10-07 00:46:27,884 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-10-07 00:46:28,085 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-10-07 00:46:28,465 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-10-07 00:46:28,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:46:28,473 INFO L93 Difference]: Finished difference Result 173 states and 234 transitions. [2019-10-07 00:46:28,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2019-10-07 00:46:28,474 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 94 [2019-10-07 00:46:28,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:46:28,479 INFO L225 Difference]: With dead ends: 173 [2019-10-07 00:46:28,479 INFO L226 Difference]: Without dead ends: 171 [2019-10-07 00:46:28,485 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 242 SyntacticMatches, 3 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11399 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=2987, Invalid=31795, Unknown=0, NotChecked=0, Total=34782 [2019-10-07 00:46:28,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-10-07 00:46:28,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 74. [2019-10-07 00:46:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-07 00:46:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions. [2019-10-07 00:46:28,512 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 94 [2019-10-07 00:46:28,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:46:28,512 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 89 transitions. [2019-10-07 00:46:28,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 60 states. [2019-10-07 00:46:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2019-10-07 00:46:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-07 00:46:28,515 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:46:28,515 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:46:28,718 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:46:28,719 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:46:28,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:46:28,720 INFO L82 PathProgramCache]: Analyzing trace with hash -708548073, now seen corresponding path program 5 times [2019-10-07 00:46:28,720 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:46:28,720 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:28,721 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:28,721 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:28,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:46:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:46:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 119 proven. 49 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-07 00:46:29,416 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:29,417 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:46:29,417 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 00:46:30,135 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-10-07 00:46:30,136 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:46:30,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-07 00:46:30,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:46:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 144 proven. 24 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-07 00:46:30,608 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:46:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 144 proven. 24 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-07 00:46:30,942 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:46:30,944 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:46:30,944 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:46:30,945 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:46:30,945 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:46:30,945 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:46:30,963 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-07 00:46:31,145 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:31,195 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:42,523 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:46:42,537 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 58 for LOIs [2019-10-07 00:46:42,543 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:46:42,545 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:46:42,546 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:46:42,546 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2288#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:42,546 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 2410#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:46:42,546 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:46:42,546 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:46:42,546 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1805#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:42,546 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2424#(or (exists ((v_main_~i~0_BEFORE_CALL_1425 Int) (v_main_~a~0.offset_BEFORE_CALL_1335 Int) (v_prenex_6267 Int) (v_prenex_6266 Int) (v_prenex_6268 Int) (v_main_~a~0.base_BEFORE_CALL_1030 Int)) (or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 1 v_prenex_6266) (<= 10 (select (select |#memory_int| v_prenex_6268) (+ (* 12 v_prenex_6266) v_prenex_6267 (- 8)))) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 10 (select (select |#memory_int| v_prenex_6268) (+ (* 12 v_prenex_6266) v_prenex_6267 (- 8)))) (<= (select (select |#memory_int| v_prenex_6268) (+ (* 12 v_prenex_6266) v_prenex_6267 (- 8))) 10) (<= v_prenex_6267 0) (= |#NULL.offset| 0) (<= 0 v_prenex_6267) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 (+ (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1030) (+ (* 12 v_main_~i~0_BEFORE_CALL_1425) v_main_~a~0.offset_BEFORE_CALL_1335 (- 8))) 2147483648)) (<= 0 |#NULL.base|) (<= v_main_~a~0.offset_BEFORE_CALL_1335 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1030) (+ (* 12 v_main_~i~0_BEFORE_CALL_1425) v_main_~a~0.offset_BEFORE_CALL_1335 (- 8))))) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1030) (+ (* 12 v_main_~i~0_BEFORE_CALL_1425) v_main_~a~0.offset_BEFORE_CALL_1335 (- 8))) 2147483647) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1335) (<= 1 v_main_~i~0_BEFORE_CALL_1425) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0))) [2019-10-07 00:46:42,546 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1362#true [2019-10-07 00:46:42,547 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2420#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:46:42,547 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:46:42,547 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 2173#(and (or (and (= |old(~SIZE~0)| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (= main_~value~0 main_~DEFAULTVAL~0) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:42,547 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 1941#(and (or (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:42,547 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 1001#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:42,547 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2415#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:46:42,547 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1526#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:42,547 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 633#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2433#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1186#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 2405#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2429#(exists ((v_main_~i~0_BEFORE_CALL_1425 Int) (v_main_~a~0.offset_BEFORE_CALL_1335 Int) (v_prenex_6267 Int) (v_prenex_6266 Int) (v_prenex_6268 Int) (v_main_~a~0.base_BEFORE_CALL_1030 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 1 v_prenex_6266) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= 10 (select (select |#memory_int| v_prenex_6268) (+ (* 12 v_prenex_6266) v_prenex_6267 (- 8)))) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 10 (select (select |#memory_int| v_prenex_6268) (+ (* 12 v_prenex_6266) v_prenex_6267 (- 8)))) (<= (select (select |#memory_int| v_prenex_6268) (+ (* 12 v_prenex_6266) v_prenex_6267 (- 8))) 10) (<= v_prenex_6267 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 0 v_prenex_6267) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 (+ (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1030) (+ (* 12 v_main_~i~0_BEFORE_CALL_1425) v_main_~a~0.offset_BEFORE_CALL_1335 (- 8))) 2147483648)) (<= 0 |#NULL.base|) (<= v_main_~a~0.offset_BEFORE_CALL_1335 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1030) (+ (* 12 v_main_~i~0_BEFORE_CALL_1425) v_main_~a~0.offset_BEFORE_CALL_1335 (- 8))))) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1030) (+ (* 12 v_main_~i~0_BEFORE_CALL_1425) v_main_~a~0.offset_BEFORE_CALL_1335 (- 8))) 2147483647) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1335) (<= 1 v_main_~i~0_BEFORE_CALL_1425) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2400#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2438#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:42,548 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2395#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1))) [2019-10-07 00:46:42,549 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2391#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:46:43,201 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:46:44,218 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-10-07 00:46:44,610 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-07 00:46:44,956 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:46:44,957 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 16, 21] total 67 [2019-10-07 00:46:44,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2019-10-07 00:46:44,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2019-10-07 00:46:44,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=3831, Unknown=0, NotChecked=0, Total=4422 [2019-10-07 00:46:44,960 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. Second operand 67 states. [2019-10-07 00:46:45,304 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-10-07 00:46:45,770 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-10-07 00:46:46,312 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-10-07 00:46:46,665 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:46:47,046 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-10-07 00:46:47,425 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-10-07 00:46:47,741 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-10-07 00:46:48,357 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-10-07 00:46:48,686 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-10-07 00:46:50,273 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-10-07 00:46:50,911 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-10-07 00:46:52,536 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-10-07 00:46:52,749 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-10-07 00:46:53,350 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-10-07 00:46:55,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:46:55,893 INFO L93 Difference]: Finished difference Result 128 states and 158 transitions. [2019-10-07 00:46:55,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2019-10-07 00:46:55,894 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 115 [2019-10-07 00:46:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:46:55,897 INFO L225 Difference]: With dead ends: 128 [2019-10-07 00:46:55,897 INFO L226 Difference]: Without dead ends: 87 [2019-10-07 00:46:55,901 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 295 SyntacticMatches, 3 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7384 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=2577, Invalid=18885, Unknown=0, NotChecked=0, Total=21462 [2019-10-07 00:46:55,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-07 00:46:55,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 81. [2019-10-07 00:46:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-10-07 00:46:55,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2019-10-07 00:46:55,924 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 115 [2019-10-07 00:46:55,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:46:55,924 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2019-10-07 00:46:55,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 67 states. [2019-10-07 00:46:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2019-10-07 00:46:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 00:46:55,927 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:46:55,927 INFO L385 BasicCegarLoop]: trace histogram [12, 10, 10, 10, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:46:56,133 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:46:56,134 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:46:56,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:46:56,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1267387874, now seen corresponding path program 6 times [2019-10-07 00:46:56,136 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:46:56,136 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:56,136 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:56,137 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:46:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:46:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:46:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2019-10-07 00:46:56,658 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:46:56,658 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:46:56,658 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 00:46:57,331 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:46:57,332 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:46:57,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 47 conjunts are in the unsatisfiable core [2019-10-07 00:46:57,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:46:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 190 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2019-10-07 00:46:59,391 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:46:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2019-10-07 00:46:59,704 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:46:59,705 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:46:59,705 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:46:59,706 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:46:59,706 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:46:59,706 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:46:59,724 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-07 00:46:59,911 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:46:59,973 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:47:11,446 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:47:11,458 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 58 for LOIs [2019-10-07 00:47:11,462 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:47:11,466 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:47:11,466 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:47:11,466 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2288#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:47:11,466 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 2410#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:47:11,466 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:47:11,466 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:47:11,467 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1805#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:47:11,467 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2424#(or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (exists ((v_prenex_7427 Int) (v_main_~a~0.base_BEFORE_CALL_1232 Int) (v_main_~a~0.offset_BEFORE_CALL_1601 Int) (v_prenex_7425 Int) (v_prenex_7426 Int) (v_main_~i~0_BEFORE_CALL_1699 Int)) (or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 (+ (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1232) (+ v_main_~a~0.offset_BEFORE_CALL_1601 (* 12 v_main_~i~0_BEFORE_CALL_1699) (- 8))) 2147483648)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1232) (+ v_main_~a~0.offset_BEFORE_CALL_1601 (* 12 v_main_~i~0_BEFORE_CALL_1699) (- 8))) 0)) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1601) (<= 1 v_main_~i~0_BEFORE_CALL_1699) (<= v_main_~a~0.offset_BEFORE_CALL_1601 0) (= |#NULL.offset| 0) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1232) (+ v_main_~a~0.offset_BEFORE_CALL_1601 (* 12 v_main_~i~0_BEFORE_CALL_1699) (- 8))) 2147483647) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= (select (select |#memory_int| v_prenex_7425) (+ v_prenex_7426 (* 12 v_prenex_7427) (- 8))) 10) (<= 0 v_prenex_7426) (<= 10 (select (select |#memory_int| v_prenex_7425) (+ v_prenex_7426 (* 12 v_prenex_7427) (- 8)))) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= (select (select |#memory_int| v_prenex_7425) (+ v_prenex_7426 (* 12 v_prenex_7427) (- 8))) 10) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_prenex_7427) (= |#NULL.offset| 0) (<= v_prenex_7426 0) (<= 100000 ~MAX~0))))) [2019-10-07 00:47:11,467 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1362#true [2019-10-07 00:47:11,467 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2420#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:47:11,467 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:47:11,467 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 2173#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:47:11,467 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 1941#(and (or (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:47:11,467 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 1001#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2415#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1526#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 633#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2433#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1186#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 2405#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2429#(exists ((v_prenex_7427 Int) (v_main_~a~0.base_BEFORE_CALL_1232 Int) (v_main_~a~0.offset_BEFORE_CALL_1601 Int) (v_prenex_7425 Int) (v_prenex_7426 Int) (v_main_~i~0_BEFORE_CALL_1699 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= (select (select |#memory_int| v_prenex_7425) (+ v_prenex_7426 (* 12 v_prenex_7427) (- 8))) 10) (<= ~SIZE~0 100000) (<= 0 v_prenex_7426) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= 10 (select (select |#memory_int| v_prenex_7425) (+ v_prenex_7426 (* 12 v_prenex_7427) (- 8)))) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= (select (select |#memory_int| v_prenex_7425) (+ v_prenex_7426 (* 12 v_prenex_7427) (- 8))) 10) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_prenex_7427) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (= |#NULL.offset| 0) (<= v_prenex_7426 0) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 (+ (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1232) (+ v_main_~a~0.offset_BEFORE_CALL_1601 (* 12 v_main_~i~0_BEFORE_CALL_1699) (- 8))) 2147483648)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1232) (+ v_main_~a~0.offset_BEFORE_CALL_1601 (* 12 v_main_~i~0_BEFORE_CALL_1699) (- 8))) 0)) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1601) (<= 1 v_main_~i~0_BEFORE_CALL_1699) (<= v_main_~a~0.offset_BEFORE_CALL_1601 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1232) (+ v_main_~a~0.offset_BEFORE_CALL_1601 (* 12 v_main_~i~0_BEFORE_CALL_1699) (- 8))) 2147483647) (<= 100000 ~MAX~0)))) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2400#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:47:11,468 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2438#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:47:11,469 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:47:11,469 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:47:11,469 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2395#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0))) [2019-10-07 00:47:11,469 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2391#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:47:24,279 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:47:25,728 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:47:26,182 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-07 00:47:26,542 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:47:26,542 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 26, 21, 21] total 72 [2019-10-07 00:47:26,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 72 states [2019-10-07 00:47:26,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2019-10-07 00:47:26,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=4755, Unknown=6, NotChecked=0, Total=5112 [2019-10-07 00:47:26,545 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand 72 states. [2019-10-07 00:47:38,936 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-10-07 00:47:51,417 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-10-07 00:47:56,003 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2019-10-07 00:47:56,357 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-10-07 00:48:03,401 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-10-07 00:48:03,817 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-10-07 00:48:06,249 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-10-07 00:48:08,450 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-10-07 00:48:08,676 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-10-07 00:48:10,977 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-10-07 00:48:11,417 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-10-07 00:48:13,189 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-10-07 00:48:13,470 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-10-07 00:48:15,822 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-10-07 00:48:16,256 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-10-07 00:48:18,593 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-10-07 00:48:19,251 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-10-07 00:48:19,503 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-10-07 00:48:19,852 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-10-07 00:48:20,553 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-10-07 00:48:20,922 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-10-07 00:48:21,182 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-10-07 00:48:21,483 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-10-07 00:48:21,771 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-10-07 00:48:22,204 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-10-07 00:48:22,725 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-10-07 00:48:23,019 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-10-07 00:48:23,562 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-10-07 00:48:23,861 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-10-07 00:48:24,163 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-10-07 00:48:24,458 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-10-07 00:48:24,777 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-10-07 00:48:25,191 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-10-07 00:48:25,426 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-10-07 00:48:25,610 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-10-07 00:48:26,642 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-10-07 00:48:26,943 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-10-07 00:48:27,558 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-10-07 00:48:27,854 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-10-07 00:48:28,046 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-10-07 00:48:28,504 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-10-07 00:48:28,967 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-10-07 00:48:29,358 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-10-07 00:48:30,324 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-10-07 00:48:30,627 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-10-07 00:48:31,148 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-10-07 00:48:31,347 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:48:31,749 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-10-07 00:48:32,325 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-10-07 00:48:32,604 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-10-07 00:48:33,206 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-07 00:48:33,509 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-10-07 00:48:33,880 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-10-07 00:48:34,262 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:48:34,767 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-10-07 00:48:35,245 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2019-10-07 00:48:35,526 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-10-07 00:48:36,802 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-10-07 00:48:37,257 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-10-07 00:48:37,955 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-10-07 00:48:38,301 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-10-07 00:48:39,886 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-10-07 00:48:40,192 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2019-10-07 00:48:40,912 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2019-10-07 00:48:41,280 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-10-07 00:48:42,295 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2019-10-07 00:48:42,643 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-10-07 00:48:43,298 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-10-07 00:48:43,919 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-10-07 00:48:44,167 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-10-07 00:48:45,238 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2019-10-07 00:48:46,230 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2019-10-07 00:48:46,566 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-10-07 00:48:47,521 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2019-10-07 00:48:47,737 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-10-07 00:48:48,871 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-10-07 00:48:49,585 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-10-07 00:48:49,901 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-10-07 00:48:50,765 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-10-07 00:48:50,969 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-10-07 00:48:51,602 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-10-07 00:48:51,933 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-10-07 00:48:52,235 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-10-07 00:48:53,388 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-10-07 00:48:53,576 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-10-07 00:48:53,841 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-10-07 00:48:54,455 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-10-07 00:48:54,753 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-10-07 00:48:55,220 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-10-07 00:48:55,403 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-10-07 00:48:55,698 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:48:55,950 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:48:56,265 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-10-07 00:48:56,714 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-10-07 00:48:57,124 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-10-07 00:48:57,353 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-10-07 00:48:57,629 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-10-07 00:48:58,064 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-10-07 00:48:58,934 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-10-07 00:48:59,346 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-10-07 00:48:59,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:48:59,356 INFO L93 Difference]: Finished difference Result 278 states and 377 transitions. [2019-10-07 00:48:59,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2019-10-07 00:48:59,357 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 128 [2019-10-07 00:48:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:48:59,362 INFO L225 Difference]: With dead ends: 278 [2019-10-07 00:48:59,362 INFO L226 Difference]: Without dead ends: 276 [2019-10-07 00:48:59,369 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 317 SyntacticMatches, 22 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32306 ImplicationChecksByTransitivity, 66.6s TimeCoverageRelationStatistics Valid=6412, Invalid=79718, Unknown=12, NotChecked=0, Total=86142 [2019-10-07 00:48:59,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-10-07 00:48:59,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 101. [2019-10-07 00:48:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-07 00:48:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2019-10-07 00:48:59,409 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 128 [2019-10-07 00:48:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:48:59,409 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2019-10-07 00:48:59,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 72 states. [2019-10-07 00:48:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2019-10-07 00:48:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 00:48:59,412 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:48:59,412 INFO L385 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:48:59,613 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:48:59,613 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:48:59,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:48:59,614 INFO L82 PathProgramCache]: Analyzing trace with hash 887030525, now seen corresponding path program 7 times [2019-10-07 00:48:59,614 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:48:59,614 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:48:59,615 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:48:59,615 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:48:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:48:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:49:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 212 proven. 80 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 00:49:00,789 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:49:00,789 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:49:00,790 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 00:49:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:49:01,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-07 00:49:01,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:49:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 246 proven. 46 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 00:49:02,263 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:49:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 246 proven. 46 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 00:49:02,756 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:49:02,758 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:49:02,758 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:49:02,763 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:49:02,763 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:49:02,763 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:49:02,787 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-07 00:49:02,986 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:03,053 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:14,950 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:49:14,961 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 58 for LOIs [2019-10-07 00:49:14,967 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:49:14,969 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:49:14,970 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:49:14,970 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2288#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:14,970 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 2410#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:49:14,970 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:49:14,970 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:49:14,970 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1805#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:14,970 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2424#(or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (exists ((v_main_~a~0.base_BEFORE_CALL_1412 Int) (v_main_~i~0_BEFORE_CALL_1981 Int) (v_prenex_8563 Int) (v_prenex_8561 Int) (v_prenex_8562 Int) (v_main_~a~0.offset_BEFORE_CALL_1835 Int)) (or (and (<= 0 (+ (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1412) (+ (* 12 v_main_~i~0_BEFORE_CALL_1981) v_main_~a~0.offset_BEFORE_CALL_1835 (- 8))) 2147483648)) (<= 1 v_main_~i~0_BEFORE_CALL_1981) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1412) (+ (* 12 v_main_~i~0_BEFORE_CALL_1981) v_main_~a~0.offset_BEFORE_CALL_1835 (- 8))))) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1835) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_1835 0) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1412) (+ (* 12 v_main_~i~0_BEFORE_CALL_1981) v_main_~a~0.offset_BEFORE_CALL_1835 (- 8))) 2147483647) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= 10 (select (select |#memory_int| v_prenex_8561) (+ (* 12 v_prenex_8562) v_prenex_8563 (- 8)))) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (<= (select (select |#memory_int| v_prenex_8561) (+ (* 12 v_prenex_8562) v_prenex_8563 (- 8))) 10) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 10 (select (select |#memory_int| v_prenex_8561) (+ (* 12 v_prenex_8562) v_prenex_8563 (- 8)))) (<= v_prenex_8563 0) (<= 0 v_prenex_8563) (= |#NULL.offset| 0) (<= 1 v_prenex_8562) (<= 100000 ~MAX~0))))) [2019-10-07 00:49:14,971 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1362#true [2019-10-07 00:49:14,971 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2420#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:49:14,971 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:49:14,971 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 2173#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:14,971 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 1941#(and (or (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:14,971 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 1001#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2415#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1526#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 633#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2433#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1186#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 2405#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2429#(exists ((v_main_~a~0.base_BEFORE_CALL_1412 Int) (v_prenex_8563 Int) (v_main_~i~0_BEFORE_CALL_1981 Int) (v_prenex_8561 Int) (v_prenex_8562 Int) (v_main_~a~0.offset_BEFORE_CALL_1835 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= 10 (select (select |#memory_int| v_prenex_8561) (+ (* 12 v_prenex_8562) v_prenex_8563 (- 8)))) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= (select (select |#memory_int| v_prenex_8561) (+ (* 12 v_prenex_8562) v_prenex_8563 (- 8))) 10) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 10 (select (select |#memory_int| v_prenex_8561) (+ (* 12 v_prenex_8562) v_prenex_8563 (- 8)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_prenex_8563 0) (<= 0 v_prenex_8563) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (= |#NULL.offset| 0) (<= 1 v_prenex_8562) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= 0 (+ (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1412) (+ (* 12 v_main_~i~0_BEFORE_CALL_1981) v_main_~a~0.offset_BEFORE_CALL_1835 (- 8))) 2147483648)) (<= 1 v_main_~i~0_BEFORE_CALL_1981) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1412) (+ (* 12 v_main_~i~0_BEFORE_CALL_1981) v_main_~a~0.offset_BEFORE_CALL_1835 (- 8))))) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1835) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_1835 0) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1412) (+ (* 12 v_main_~i~0_BEFORE_CALL_1981) v_main_~a~0.offset_BEFORE_CALL_1835 (- 8))) 2147483647) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)))) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2400#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:49:14,972 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2438#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:49:14,973 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:49:14,973 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:14,973 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2395#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0))) [2019-10-07 00:49:14,973 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2391#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:15,698 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:49:16,885 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:49:17,305 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-07 00:49:17,639 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:49:17,639 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23, 20, 21] total 79 [2019-10-07 00:49:17,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 79 states [2019-10-07 00:49:17,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2019-10-07 00:49:17,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=885, Invalid=5277, Unknown=0, NotChecked=0, Total=6162 [2019-10-07 00:49:17,642 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand 79 states. [2019-10-07 00:49:18,012 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-10-07 00:49:18,493 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-10-07 00:49:19,061 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-10-07 00:49:19,429 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-07 00:49:20,194 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-10-07 00:49:20,519 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-10-07 00:49:21,193 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-10-07 00:49:21,554 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-10-07 00:49:22,205 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-10-07 00:49:22,538 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-10-07 00:49:24,163 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-10-07 00:49:24,489 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-10-07 00:49:26,392 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 00:49:27,317 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-10-07 00:49:31,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:49:31,168 INFO L93 Difference]: Finished difference Result 159 states and 195 transitions. [2019-10-07 00:49:31,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2019-10-07 00:49:31,169 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 149 [2019-10-07 00:49:31,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:49:31,171 INFO L225 Difference]: With dead ends: 159 [2019-10-07 00:49:31,171 INFO L226 Difference]: Without dead ends: 109 [2019-10-07 00:49:31,176 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10709 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=3766, Invalid=27034, Unknown=0, NotChecked=0, Total=30800 [2019-10-07 00:49:31,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-07 00:49:31,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2019-10-07 00:49:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 00:49:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 124 transitions. [2019-10-07 00:49:31,208 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 124 transitions. Word has length 149 [2019-10-07 00:49:31,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:49:31,208 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 124 transitions. [2019-10-07 00:49:31,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 79 states. [2019-10-07 00:49:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 124 transitions. [2019-10-07 00:49:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-07 00:49:31,211 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:49:31,211 INFO L385 BasicCegarLoop]: trace histogram [15, 13, 13, 13, 12, 12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:49:31,424 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:49:31,425 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:49:31,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:49:31,426 INFO L82 PathProgramCache]: Analyzing trace with hash 422360072, now seen corresponding path program 8 times [2019-10-07 00:49:31,426 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:49:31,426 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:49:31,426 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:49:31,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:49:31,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:49:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:49:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 132 proven. 189 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2019-10-07 00:49:33,544 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:49:33,544 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:49:33,544 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 00:49:35,501 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2019-10-07 00:49:35,501 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:49:35,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 51 conjunts are in the unsatisfiable core [2019-10-07 00:49:35,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:49:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 54 proven. 321 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-07 00:49:40,963 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:49:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 24 proven. 297 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2019-10-07 00:49:43,425 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:49:43,426 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:49:43,426 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:49:43,427 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:49:43,427 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:49:43,427 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:49:43,443 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-07 00:49:43,726 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:43,773 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:49:54,976 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:49:54,993 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 58 for LOIs [2019-10-07 00:49:54,998 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:49:55,001 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:49:55,001 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:49:55,001 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 2344#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:55,001 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 2466#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:49:55,002 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:49:55,002 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:49:55,002 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 1805#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:55,002 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 2480#(or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (exists ((v_prenex_9759 Int) (v_prenex_9758 Int) (v_prenex_9757 Int) (v_main_~a~0.base_BEFORE_CALL_1620 Int) (v_main_~a~0.offset_BEFORE_CALL_2097 Int) (v_main_~i~0_BEFORE_CALL_2267 Int)) (or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 1 v_prenex_9759) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_prenex_9758 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_9758) (<= 10 (select (select |#memory_int| v_prenex_9757) (+ v_prenex_9758 (* 12 v_prenex_9759) (- 8)))) (= |#NULL.offset| 0) (<= (select (select |#memory_int| v_prenex_9757) (+ v_prenex_9758 (* 12 v_prenex_9759) (- 8))) 10) (= 10 (select (select |#memory_int| v_prenex_9757) (+ v_prenex_9758 (* 12 v_prenex_9759) (- 8)))) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2097) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1620) (+ v_main_~a~0.offset_BEFORE_CALL_2097 (* 12 v_main_~i~0_BEFORE_CALL_2267) (- 8))) 2147483647) (<= v_main_~a~0.offset_BEFORE_CALL_2097 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1620) (+ v_main_~a~0.offset_BEFORE_CALL_2097 (* 12 v_main_~i~0_BEFORE_CALL_2267) (- 8))))) (<= 0 (+ (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1620) (+ v_main_~a~0.offset_BEFORE_CALL_2097 (* 12 v_main_~i~0_BEFORE_CALL_2267) (- 8))) 2147483648)) (<= 1 v_main_~i~0_BEFORE_CALL_2267) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))) [2019-10-07 00:49:55,002 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1362#true [2019-10-07 00:49:55,003 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2476#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:49:55,003 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:49:55,003 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 2229#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:55,003 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 1941#(and (or (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~value~0) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 8))) main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= main_~value~0 2147483647) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:55,003 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 1001#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:55,003 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 2471#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:49:55,004 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1526#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:55,004 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 633#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:49:55,004 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 2489#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:49:55,004 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1186#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:49:55,004 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 2461#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:49:55,004 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 2485#(exists ((v_prenex_9759 Int) (v_prenex_9758 Int) (v_prenex_9757 Int) (v_main_~a~0.base_BEFORE_CALL_1620 Int) (v_main_~a~0.offset_BEFORE_CALL_2097 Int) (v_main_~i~0_BEFORE_CALL_2267 Int)) (or (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2097) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1620) (+ v_main_~a~0.offset_BEFORE_CALL_2097 (* 12 v_main_~i~0_BEFORE_CALL_2267) (- 8))) 2147483647) (<= v_main_~a~0.offset_BEFORE_CALL_2097 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1620) (+ v_main_~a~0.offset_BEFORE_CALL_2097 (* 12 v_main_~i~0_BEFORE_CALL_2267) (- 8))))) (<= 0 (+ (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1620) (+ v_main_~a~0.offset_BEFORE_CALL_2097 (* 12 v_main_~i~0_BEFORE_CALL_2267) (- 8))) 2147483648)) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 1 v_main_~i~0_BEFORE_CALL_2267) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= 100000 ~MAX~0)) (and (<= ReadFromPort_~x~0 2147483647) (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 1 v_prenex_9759) (<= 0 |#NULL.base|) (<= v_prenex_9758 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_9758) (<= 10 (select (select |#memory_int| v_prenex_9757) (+ v_prenex_9758 (* 12 v_prenex_9759) (- 8)))) (= |#NULL.offset| 0) (<= 0 (+ ReadFromPort_~x~0 2147483648)) (<= (select (select |#memory_int| v_prenex_9757) (+ v_prenex_9758 (* 12 v_prenex_9759) (- 8))) 10) (= 10 (select (select |#memory_int| v_prenex_9757) (+ v_prenex_9758 (* 12 v_prenex_9759) (- 8)))) (<= 100000 ~MAX~0)))) [2019-10-07 00:49:55,005 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 2456#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:49:55,005 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 2494#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:49:55,005 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:49:55,005 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:49:55,005 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 2451#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1))) [2019-10-07 00:49:55,005 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 2447#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:50:07,964 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:50:11,541 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-07 00:50:14,013 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-07 00:50:14,783 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:50:14,783 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 30, 25, 21] total 95 [2019-10-07 00:50:14,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 95 states [2019-10-07 00:50:14,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2019-10-07 00:50:14,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=461, Invalid=8460, Unknown=9, NotChecked=0, Total=8930 [2019-10-07 00:50:14,787 INFO L87 Difference]: Start difference. First operand 103 states and 124 transitions. Second operand 95 states. [2019-10-07 00:50:25,011 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-10-07 00:50:32,212 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-10-07 00:50:36,940 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2019-10-07 00:50:39,340 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2019-10-07 00:50:40,112 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2019-10-07 00:50:40,405 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-10-07 00:50:41,043 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-10-07 00:50:41,379 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2019-10-07 00:50:41,723 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 79 [2019-10-07 00:50:44,082 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-10-07 00:50:44,593 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2019-10-07 00:50:45,925 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 56 [2019-10-07 00:50:46,280 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2019-10-07 00:50:46,849 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2019-10-07 00:50:47,186 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2019-10-07 00:50:47,607 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2019-10-07 00:50:48,164 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2019-10-07 00:50:48,481 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2019-10-07 00:50:48,876 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2019-10-07 00:50:49,213 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2019-10-07 00:50:49,580 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 76 [2019-10-07 00:50:50,313 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2019-10-07 00:50:50,903 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2019-10-07 00:50:51,537 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2019-10-07 00:50:51,983 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 81 [2019-10-07 00:50:52,327 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2019-10-07 00:50:52,715 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 87 [2019-10-07 00:50:53,161 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 95 [2019-10-07 00:50:53,759 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 100 [2019-10-07 00:50:54,149 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2019-10-07 00:50:54,461 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-10-07 00:50:54,802 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-10-07 00:50:55,647 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 84 [2019-10-07 00:50:55,940 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-10-07 00:50:56,242 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-10-07 00:50:56,648 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2019-10-07 00:50:57,046 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-10-07 00:50:57,480 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2019-10-07 00:50:58,011 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 105 [2019-10-07 00:50:58,389 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 97 [2019-10-07 00:50:58,708 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2019-10-07 00:50:59,022 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 91 [2019-10-07 00:50:59,702 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 113 [2019-10-07 00:51:00,117 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-10-07 00:51:00,382 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-10-07 00:51:00,671 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-10-07 00:51:01,101 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-10-07 00:51:01,518 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-10-07 00:51:01,908 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 93 [2019-10-07 00:51:02,242 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2019-10-07 00:51:02,584 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 92 [2019-10-07 00:51:03,048 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-10-07 00:51:03,587 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 115 [2019-10-07 00:51:03,936 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-10-07 00:51:04,158 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-10-07 00:51:04,393 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-10-07 00:51:05,016 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2019-10-07 00:51:05,475 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2019-10-07 00:51:05,732 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-10-07 00:51:05,998 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-10-07 00:51:06,416 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 94 [2019-10-07 00:51:06,745 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 88 [2019-10-07 00:51:07,085 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2019-10-07 00:51:07,538 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2019-10-07 00:51:08,037 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2019-10-07 00:51:08,238 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-10-07 00:51:08,464 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-10-07 00:51:08,874 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2019-10-07 00:51:09,418 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 118 [2019-10-07 00:51:09,740 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-10-07 00:51:10,099 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 93 [2019-10-07 00:51:10,295 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-10-07 00:51:10,627 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 88 [2019-10-07 00:51:10,834 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-10-07 00:51:11,180 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2019-10-07 00:51:11,868 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 122 [2019-10-07 00:51:12,289 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-10-07 00:51:12,527 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-10-07 00:51:12,776 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-10-07 00:51:13,098 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-10-07 00:51:13,309 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-10-07 00:51:13,525 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-10-07 00:51:13,921 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-10-07 00:51:14,359 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2019-10-07 00:51:14,731 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 93 [2019-10-07 00:51:14,927 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-10-07 00:51:15,273 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2019-10-07 00:51:15,476 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-10-07 00:51:15,814 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2019-10-07 00:51:16,408 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-10-07 00:51:16,916 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2019-10-07 00:51:17,300 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-10-07 00:51:17,577 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-10-07 00:51:17,897 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2019-10-07 00:51:18,121 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-10-07 00:51:18,316 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-10-07 00:51:18,642 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2019-10-07 00:51:18,858 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-10-07 00:51:19,059 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-10-07 00:51:19,709 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 120 [2019-10-07 00:51:20,135 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-10-07 00:51:20,606 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-10-07 00:51:20,965 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-10-07 00:51:21,164 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-10-07 00:51:21,368 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-10-07 00:51:21,742 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-10-07 00:51:22,239 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2019-10-07 00:51:22,512 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-10-07 00:51:22,831 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2019-10-07 00:51:23,050 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-10-07 00:51:23,231 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-10-07 00:51:23,538 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2019-10-07 00:51:23,774 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-10-07 00:51:23,963 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-10-07 00:51:24,391 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-10-07 00:51:24,894 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 110 [2019-10-07 00:51:25,212 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-10-07 00:51:25,470 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-10-07 00:51:25,678 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-10-07 00:51:25,869 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-10-07 00:51:26,084 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2019-10-07 00:51:26,278 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-10-07 00:51:26,885 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 114 [2019-10-07 00:51:27,286 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-10-07 00:51:28,128 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 79 [2019-10-07 00:51:28,395 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-10-07 00:51:28,679 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2019-10-07 00:51:28,904 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-10-07 00:51:29,101 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-10-07 00:51:29,391 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 70 [2019-10-07 00:51:29,616 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-10-07 00:51:29,806 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-10-07 00:51:30,219 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-10-07 00:51:30,664 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2019-10-07 00:51:30,926 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2019-10-07 00:51:31,142 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-10-07 00:51:31,328 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-10-07 00:51:31,544 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2019-10-07 00:51:31,732 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-10-07 00:51:32,112 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-10-07 00:51:32,614 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2019-10-07 00:51:33,021 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2019-10-07 00:51:33,291 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-10-07 00:51:33,558 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-10-07 00:51:33,856 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2019-10-07 00:51:34,165 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-10-07 00:51:34,371 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-10-07 00:51:34,567 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-10-07 00:51:34,879 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2019-10-07 00:51:35,104 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2019-10-07 00:51:35,313 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2019-10-07 00:51:35,503 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-10-07 00:51:36,127 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 111 [2019-10-07 00:51:36,514 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-10-07 00:51:37,275 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2019-10-07 00:51:37,531 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-10-07 00:51:37,739 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-10-07 00:51:38,138 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-10-07 00:51:38,326 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-10-07 00:51:38,694 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-10-07 00:51:39,111 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2019-10-07 00:51:39,376 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-10-07 00:51:39,700 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-10-07 00:51:40,137 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2019-10-07 00:51:40,341 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-10-07 00:51:40,552 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2019-10-07 00:51:41,019 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2019-10-07 00:51:41,235 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-10-07 00:51:41,656 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-10-07 00:51:42,132 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2019-10-07 00:51:42,425 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2019-10-07 00:51:42,736 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 73 [2019-10-07 00:51:42,997 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-10-07 00:51:43,563 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-10-07 00:51:43,929 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-10-07 00:51:44,138 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-10-07 00:51:44,718 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2019-10-07 00:51:45,176 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-10-07 00:51:45,439 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-10-07 00:51:45,838 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2019-10-07 00:51:46,482 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-10-07 00:51:46,694 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-10-07 00:51:47,149 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2019-10-07 00:51:47,380 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2019-10-07 00:51:47,595 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-10-07 00:51:48,121 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-10-07 00:51:48,418 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-10-07 00:51:48,673 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2019-10-07 00:51:48,990 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-10-07 00:51:49,184 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2019-10-07 00:51:49,719 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-10-07 00:51:50,098 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2019-10-07 00:51:50,608 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2019-10-07 00:51:50,808 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-10-07 00:51:51,239 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-10-07 00:51:51,691 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-10-07 00:51:52,027 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2019-10-07 00:51:52,278 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2019-10-07 00:51:52,470 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2019-10-07 00:51:53,012 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2019-10-07 00:51:53,197 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-10-07 00:51:54,023 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2019-10-07 00:51:54,366 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-10-07 00:51:54,628 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2019-10-07 00:51:55,022 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2019-10-07 00:51:55,518 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-10-07 00:51:55,890 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-10-07 00:51:56,413 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-10-07 00:51:56,596 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-10-07 00:51:56,801 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-10-07 00:51:57,207 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-10-07 00:51:57,542 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-10-07 00:51:57,787 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2019-10-07 00:51:59,250 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-10-07 00:51:59,680 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-10-07 00:52:00,319 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2019-10-07 00:52:00,804 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-10-07 00:52:01,526 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2019-10-07 00:52:02,297 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2019-10-07 00:52:02,620 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-10-07 00:52:02,884 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2019-10-07 00:52:03,517 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-10-07 00:52:04,065 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-10-07 00:52:05,967 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-10-07 00:52:06,380 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-10-07 00:52:06,653 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2019-10-07 00:52:07,504 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2019-10-07 00:52:08,101 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-10-07 00:52:08,403 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-10-07 00:52:08,674 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2019-10-07 00:52:10,346 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-10-07 00:52:12,023 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-10-07 00:52:12,444 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-10-07 00:52:12,765 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2019-10-07 00:52:14,176 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-10-07 00:52:14,449 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-10-07 00:52:14,757 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-10-07 00:52:16,297 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-10-07 00:52:17,957 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-10-07 00:52:18,363 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-10-07 00:52:19,498 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-10-07 00:52:19,761 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-10-07 00:52:20,706 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-10-07 00:52:21,128 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-10-07 00:52:21,515 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-10-07 00:52:22,642 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-10-07 00:52:22,887 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:52:23,223 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-10-07 00:52:24,080 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-10-07 00:52:24,466 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-10-07 00:52:25,011 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-10-07 00:52:25,250 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-10-07 00:52:25,635 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:52:25,964 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-10-07 00:52:26,335 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-10-07 00:52:26,875 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-10-07 00:52:28,149 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-10-07 00:52:28,782 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-10-07 00:52:29,240 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-10-07 00:52:32,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:52:32,170 INFO L93 Difference]: Finished difference Result 465 states and 630 transitions. [2019-10-07 00:52:32,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 390 states. [2019-10-07 00:52:32,170 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 162 [2019-10-07 00:52:32,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:52:32,175 INFO L225 Difference]: With dead ends: 465 [2019-10-07 00:52:32,175 INFO L226 Difference]: Without dead ends: 417 [2019-10-07 00:52:32,186 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 395 SyntacticMatches, 32 SemanticMatches, 476 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87513 ImplicationChecksByTransitivity, 127.6s TimeCoverageRelationStatistics Valid=13531, Invalid=214460, Unknown=15, NotChecked=0, Total=228006 [2019-10-07 00:52:32,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-07 00:52:32,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 121. [2019-10-07 00:52:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-07 00:52:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2019-10-07 00:52:32,242 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 162 [2019-10-07 00:52:32,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:52:32,242 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2019-10-07 00:52:32,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 95 states. [2019-10-07 00:52:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2019-10-07 00:52:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-07 00:52:32,245 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:52:32,245 INFO L385 BasicCegarLoop]: trace histogram [18, 16, 16, 16, 15, 15, 15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:52:32,453 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:52:32,453 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:52:32,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:52:32,454 INFO L82 PathProgramCache]: Analyzing trace with hash -598458654, now seen corresponding path program 9 times [2019-10-07 00:52:32,454 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:52:32,454 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:52:32,454 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:52:32,455 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:52:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:52:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:52:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 30 proven. 456 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2019-10-07 00:52:33,297 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:52:33,297 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:52:33,297 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 00:52:34,341 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-07 00:52:34,341 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:52:34,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 59 conjunts are in the unsatisfiable core [2019-10-07 00:52:34,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:52:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 66 proven. 486 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2019-10-07 00:52:40,308 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:52:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 30 proven. 456 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2019-10-07 00:52:41,181 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:52:41,182 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:52:41,183 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:52:41,183 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:52:41,183 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:52:41,183 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:52:41,202 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 00:52:41,385 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:52:41,418 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:52:56,923 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-07 00:52:57,798 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:52:57,808 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 1 for LOIs [2019-10-07 00:52:57,810 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:52:57,813 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:52:57,813 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:52:57,813 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 3221#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= main_~FIXEDVAL~0 (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 12)))) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= main_~value~0 (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 12)))) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:52:57,814 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 3595#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:52:57,814 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:52:57,814 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:52:57,814 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 3609#true [2019-10-07 00:52:57,814 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 2385#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:52:57,814 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1680#true [2019-10-07 00:52:57,815 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3605#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:52:57,815 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:52:57,815 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 3021#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:52:57,815 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 2617#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 3576#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 3600#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1928#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 847#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 3618#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1400#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 3590#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 3614#(and (<= ReadFromPort_~x~0 2147483647) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= 0 (+ |ReadFromPort_#res| 2147483648)) (<= |ReadFromPort_#res| 2147483647) (<= 0 (+ ReadFromPort_~x~0 2147483648))) [2019-10-07 00:52:57,816 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 3585#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:52:57,817 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 3623#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:52:57,817 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:52:57,817 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:52:57,817 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 3580#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0))) [2019-10-07 00:52:57,817 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 3401#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= main_~value~0 (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 12)))) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 12)))) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:53:10,940 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:53:13,832 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2019-10-07 00:53:16,272 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-10-07 00:53:16,702 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-10-07 00:53:17,297 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:53:17,297 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 34, 29, 20] total 89 [2019-10-07 00:53:17,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 89 states [2019-10-07 00:53:17,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2019-10-07 00:53:17,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=7381, Unknown=8, NotChecked=0, Total=7832 [2019-10-07 00:53:17,300 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand 89 states. [2019-10-07 00:53:28,891 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-10-07 00:53:40,572 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-10-07 00:53:44,930 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2019-10-07 00:53:45,452 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2019-10-07 00:53:53,453 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-10-07 00:53:54,013 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2019-10-07 00:53:56,122 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2019-10-07 00:53:56,365 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2019-10-07 00:53:56,664 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2019-10-07 00:53:57,082 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2019-10-07 00:53:57,542 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 72 [2019-10-07 00:53:59,791 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-10-07 00:54:00,099 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2019-10-07 00:54:00,393 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2019-10-07 00:54:00,728 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-10-07 00:54:01,189 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2019-10-07 00:54:01,695 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2019-10-07 00:54:03,425 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2019-10-07 00:54:03,750 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2019-10-07 00:54:04,075 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-10-07 00:54:04,435 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 77 [2019-10-07 00:54:05,030 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 89 [2019-10-07 00:54:05,543 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 92 [2019-10-07 00:54:06,423 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 83 [2019-10-07 00:54:06,768 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2019-10-07 00:54:09,095 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 83 [2019-10-07 00:54:09,560 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2019-10-07 00:54:10,062 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 96 [2019-10-07 00:54:10,603 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 99 [2019-10-07 00:54:10,961 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 94 [2019-10-07 00:54:11,324 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2019-10-07 00:54:11,675 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-10-07 00:54:13,166 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2019-10-07 00:54:13,714 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2019-10-07 00:54:14,263 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-10-07 00:54:14,662 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2019-10-07 00:54:15,505 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2019-10-07 00:54:15,886 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2019-10-07 00:54:16,579 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2019-10-07 00:54:17,153 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-10-07 00:54:18,210 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2019-10-07 00:54:18,647 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-10-07 00:54:19,431 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2019-10-07 00:54:19,868 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2019-10-07 00:54:21,043 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2019-10-07 00:54:21,674 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-10-07 00:54:22,677 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2019-10-07 00:54:23,126 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2019-10-07 00:54:24,452 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2019-10-07 00:54:24,878 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-10-07 00:54:25,924 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2019-10-07 00:54:26,535 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2019-10-07 00:54:27,423 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-10-07 00:54:28,057 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2019-10-07 00:54:29,262 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2019-10-07 00:54:29,655 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2019-10-07 00:54:30,183 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-10-07 00:54:31,321 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-10-07 00:54:31,917 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2019-10-07 00:54:33,569 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2019-10-07 00:54:34,731 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-10-07 00:54:35,114 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2019-10-07 00:54:36,846 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2019-10-07 00:54:37,416 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2019-10-07 00:54:38,622 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2019-10-07 00:54:39,169 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-10-07 00:54:40,464 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2019-10-07 00:54:40,832 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2019-10-07 00:54:42,220 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2019-10-07 00:54:42,717 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2019-10-07 00:54:44,217 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2019-10-07 00:54:45,665 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2019-10-07 00:54:45,996 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2019-10-07 00:54:47,548 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2019-10-07 00:54:48,085 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2019-10-07 00:54:49,550 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2019-10-07 00:54:51,195 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2019-10-07 00:54:51,515 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-10-07 00:54:52,733 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2019-10-07 00:54:53,226 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2019-10-07 00:54:54,856 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2019-10-07 00:54:56,180 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2019-10-07 00:54:58,525 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-10-07 00:55:00,144 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2019-10-07 00:55:01,069 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-07 00:55:03,199 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-10-07 00:55:04,262 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2019-10-07 00:55:07,447 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-10-07 00:55:08,511 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2019-10-07 00:55:10,817 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2019-10-07 00:55:11,868 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2019-10-07 00:55:13,828 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-10-07 00:55:14,954 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2019-10-07 00:55:16,714 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-10-07 00:55:17,435 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2019-10-07 00:55:18,968 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-10-07 00:55:19,622 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2019-10-07 00:55:21,053 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-10-07 00:55:21,536 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-10-07 00:55:22,681 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-10-07 00:55:23,322 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2019-10-07 00:55:24,267 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-10-07 00:55:24,675 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2019-10-07 00:55:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:55:24,879 INFO L93 Difference]: Finished difference Result 538 states and 733 transitions. [2019-10-07 00:55:24,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 467 states. [2019-10-07 00:55:24,879 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 196 [2019-10-07 00:55:24,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:55:24,885 INFO L225 Difference]: With dead ends: 538 [2019-10-07 00:55:24,886 INFO L226 Difference]: Without dead ends: 536 [2019-10-07 00:55:24,900 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 499 SyntacticMatches, 36 SemanticMatches, 547 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124353 ImplicationChecksByTransitivity, 104.1s TimeCoverageRelationStatistics Valid=15104, Invalid=285734, Unknown=14, NotChecked=0, Total=300852 [2019-10-07 00:55:24,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-10-07 00:55:24,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 132. [2019-10-07 00:55:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-07 00:55:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2019-10-07 00:55:24,965 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 196 [2019-10-07 00:55:24,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:55:24,966 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2019-10-07 00:55:24,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 89 states. [2019-10-07 00:55:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2019-10-07 00:55:24,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-10-07 00:55:24,969 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:55:24,969 INFO L385 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:55:25,185 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:55:25,186 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:55:25,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:55:25,187 INFO L82 PathProgramCache]: Analyzing trace with hash 857092605, now seen corresponding path program 10 times [2019-10-07 00:55:25,187 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:55:25,187 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:55:25,187 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:55:25,188 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:55:25,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:55:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:55:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 479 proven. 163 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2019-10-07 00:55:26,590 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:55:26,590 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:55:26,590 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 00:55:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:55:27,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 30 conjunts are in the unsatisfiable core [2019-10-07 00:55:27,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:55:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 531 proven. 111 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2019-10-07 00:55:29,116 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:55:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 531 proven. 111 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2019-10-07 00:55:30,021 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:55:30,023 INFO L162 IcfgInterpreter]: Started Sifa with 25 locations of interest [2019-10-07 00:55:30,023 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:55:30,024 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:55:30,024 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:55:30,024 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:55:30,039 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 00:55:30,213 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:55:30,248 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 00:55:42,947 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-10-07 00:55:45,871 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 00:55:45,883 INFO L199 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 1 for LOIs [2019-10-07 00:55:45,885 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-07 00:55:45,888 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:55:45,888 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:55:45,889 INFO L193 IcfgInterpreter]: Reachable states at location L43 satisfy 3201#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (= main_~value~0 main_~DEFAULTVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= main_~FIXEDVAL~0 (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 12)))) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= main_~value~0 (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 12)))) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (not (= main_~value~0 main_~DEFAULTVAL~0)) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret6| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (= main_~DEFAULTVAL~0 0))) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (<= 0 (+ main_~value~0 2147483648)) (<= main_~FIXEDVAL~0 10) (<= 0 (+ |main_#t~ret6| 2147483648)) (<= 0 main_~DEFAULTVAL~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:55:45,889 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 3594#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:55:45,889 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:55:45,889 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-07 00:55:45,890 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortENTRY satisfy 3608#true [2019-10-07 00:55:45,890 INFO L193 IcfgInterpreter]: Reachable states at location L31-3 satisfy 2381#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:55:45,890 INFO L193 IcfgInterpreter]: Reachable states at location L64-3 satisfy 1679#true [2019-10-07 00:55:45,890 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3604#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:55:45,890 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-07 00:55:45,890 INFO L193 IcfgInterpreter]: Reachable states at location L44-2 satisfy 3002#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:55:45,890 INFO L193 IcfgInterpreter]: Reachable states at location L53 satisfy 2594#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= |main_#t~ret7| 2147483647) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 (+ |main_#t~ret7| 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:55:45,891 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 3575#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 (+ |main_#t~ret5| 2147483648)) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |main_#t~ret5| 2147483647) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:55:45,891 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 3599#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 00:55:45,891 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 1932#(and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:55:45,891 INFO L193 IcfgInterpreter]: Reachable states at location L66-1 satisfy 850#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) (not (= main_~DEFAULTVAL~0 |main_#t~mem9|))) [2019-10-07 00:55:45,891 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 3617#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-07 00:55:45,891 INFO L193 IcfgInterpreter]: Reachable states at location L66 satisfy 1399#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem9| (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset)))) [2019-10-07 00:55:45,891 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 3589#(and (or (and (= |__VERIFIER_assert_#in~cond| 1) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 00:55:45,892 INFO L193 IcfgInterpreter]: Reachable states at location ReadFromPortEXIT satisfy 3613#(and (<= ReadFromPort_~x~0 2147483647) (= |ReadFromPort_#res| ReadFromPort_~x~0) (<= 0 (+ |ReadFromPort_#res| 2147483648)) (<= |ReadFromPort_#res| 2147483647) (<= 0 (+ ReadFromPort_~x~0 2147483648))) [2019-10-07 00:55:45,892 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 3584#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 00:55:45,892 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 3622#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-07 00:55:45,892 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:55:45,892 INFO L193 IcfgInterpreter]: Reachable states at location L28 satisfy 43#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 (select |old(#valid)| |main_#t~malloc3.base|)) (<= |main_#t~malloc3.offset| 0) (= |#length| (store |old(#length)| |main_#t~malloc3.base| (* 4 ~SIZE~0))) (= 0 |#NULL.base|) (<= 0 |main_#t~malloc3.offset|) (< 1 ~SIZE~0) (< ~SIZE~0 ~MAX~0) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (< |#StackHeapBarrier| |main_#t~malloc3.base|) (<= ~SIZE~0 2147483647) (not (= |main_#t~malloc3.base| 0)) (<= 10 main_~FIXEDVAL~0) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (= main_~a~0.offset |main_#t~malloc3.offset|) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (= |main_#t~malloc3.base| main_~a~0.base) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| (store |old(#valid)| |main_#t~malloc3.base| 1)) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) [2019-10-07 00:55:45,892 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 3579#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1))) [2019-10-07 00:55:45,892 INFO L193 IcfgInterpreter]: Reachable states at location L34-2 satisfy 3393#(and (or (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (= main_~value~0 (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 12)))) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (not (= main_~value~0 main_~DEFAULTVAL~0)) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0)) (and (= |old(~SIZE~0)| 0) (<= |main_#t~malloc3.offset| 0) (<= ~MAX~0 100000) (<= 0 |main_#t~malloc3.offset|) (<= 0 |#NULL.base|) (= main_~value~0 main_~DEFAULTVAL~0) (= |main_#t~malloc3.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= 1 main_~i~0) (<= 0 (+ main_~value~0 2147483648)) (<= 10 main_~FIXEDVAL~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~value~0 2147483647) (= main_~FIXEDVAL~0 (select (select |#memory_int| main_~a~0.base) (+ (* 12 main_~i~0) main_~a~0.offset (- 12)))) (<= |old(~SIZE~0)| 0) (<= main_~FIXEDVAL~0 10) (= main_~FIXEDVAL~0 10) (= |#NULL.offset| 0) (<= 0 main_~DEFAULTVAL~0) (= main_~DEFAULTVAL~0 0))) (<= 100000 ~MAX~0) (<= main_~DEFAULTVAL~0 0)) [2019-10-07 00:55:46,736 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-10-07 00:55:47,537 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-10-07 00:55:47,901 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-10-07 00:55:48,270 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-10-07 00:55:48,654 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:55:48,654 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 31, 28, 20] total 102 [2019-10-07 00:55:48,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 102 states [2019-10-07 00:55:48,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2019-10-07 00:55:48,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1661, Invalid=8641, Unknown=0, NotChecked=0, Total=10302 [2019-10-07 00:55:48,656 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand 102 states. [2019-10-07 00:55:49,048 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-10-07 00:55:49,442 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-10-07 00:55:49,748 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-10-07 00:55:50,083 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-10-07 00:55:51,058 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-10-07 00:55:51,358 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-10-07 00:55:52,172 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-10-07 00:55:52,483 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-10-07 00:55:53,195 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-10-07 00:55:53,515 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-10-07 00:55:54,237 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-10-07 00:55:54,558 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-10-07 00:55:55,306 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-10-07 00:55:55,633 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-10-07 00:55:57,046 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-10-07 00:55:57,380 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-10-07 00:55:58,960 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-10-07 00:55:59,537 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-10-07 00:56:03,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:56:03,904 INFO L93 Difference]: Finished difference Result 213 states and 265 transitions. [2019-10-07 00:56:03,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2019-10-07 00:56:03,904 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 217 [2019-10-07 00:56:03,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:56:03,907 INFO L225 Difference]: With dead ends: 213 [2019-10-07 00:56:03,908 INFO L226 Difference]: Without dead ends: 145 [2019-10-07 00:56:03,913 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 792 GetRequests, 577 SyntacticMatches, 3 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16077 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=5421, Invalid=40161, Unknown=0, NotChecked=0, Total=45582 [2019-10-07 00:56:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-07 00:56:03,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 139. [2019-10-07 00:56:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-07 00:56:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 170 transitions. [2019-10-07 00:56:03,970 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 170 transitions. Word has length 217 [2019-10-07 00:56:03,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:56:03,970 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 170 transitions. [2019-10-07 00:56:03,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 102 states. [2019-10-07 00:56:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 170 transitions. [2019-10-07 00:56:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-07 00:56:03,972 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:56:03,972 INFO L385 BasicCegarLoop]: trace histogram [21, 19, 19, 19, 18, 18, 18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:56:04,180 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:56:04,181 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:56:04,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:56:04,181 INFO L82 PathProgramCache]: Analyzing trace with hash 60591496, now seen corresponding path program 11 times [2019-10-07 00:56:04,182 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:56:04,182 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:56:04,182 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:56:04,182 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:56:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:56:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:56:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 36 proven. 649 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-10-07 00:56:06,660 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:56:06,660 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:56:06,661 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