java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/heavy-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:03:35,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:03:35,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:03:35,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:03:35,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:03:35,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:03:35,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:03:35,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:03:35,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:03:35,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:03:35,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:03:35,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:03:35,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:03:35,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:03:35,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:03:35,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:03:35,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:03:35,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:03:35,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:03:35,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:03:35,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:03:35,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:03:35,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:03:35,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:03:35,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 03:03:35,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:03:35,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:03:35,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:03:35,561 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 [2019-10-15 03:03:35,594 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:03:35,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:03:35,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:03:35,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:03:35,596 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:03:35,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:03:35,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:03:35,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:03:35,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:03:35,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:03:35,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:03:35,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:03:35,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:03:35,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:03:35,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:03:35,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:03:35,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:03:35,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:03:35,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:03:35,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:03:35,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:03:35,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:03:35,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:03:35,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:03:35,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:03:35,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:03:35,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:03:35,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:03:35,601 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 [2019-10-15 03:03:35,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:03:36,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:03:36,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:03:36,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:03:36,011 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:03:36,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/heavy-2.c [2019-10-15 03:03:36,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f475eeae5/f4244b99d2d54668a8abc72fbb3c24d3/FLAGfca880920 [2019-10-15 03:03:36,699 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:03:36,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/heavy-2.c [2019-10-15 03:03:36,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f475eeae5/f4244b99d2d54668a8abc72fbb3c24d3/FLAGfca880920 [2019-10-15 03:03:37,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f475eeae5/f4244b99d2d54668a8abc72fbb3c24d3 [2019-10-15 03:03:37,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:03:37,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:03:37,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:03:37,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:03:37,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:03:37,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1172d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37, skipping insertion in model container [2019-10-15 03:03:37,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,124 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:03:37,145 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:03:37,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:03:37,424 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:03:37,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:03:37,588 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:03:37,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37 WrapperNode [2019-10-15 03:03:37,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:03:37,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:03:37,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:03:37,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:03:37,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (1/1) ... [2019-10-15 03:03:37,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:03:37,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:03:37,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:03:37,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:03:37,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (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 [2019-10-15 03:03:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:03:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:03:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:03:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:03:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:03:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:03:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:03:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:03:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:03:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 03:03:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:03:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:03:38,122 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:03:38,122 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 03:03:38,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:03:38 BoogieIcfgContainer [2019-10-15 03:03:38,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:03:38,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:03:38,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:03:38,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:03:38,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:03:37" (1/3) ... [2019-10-15 03:03:38,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6c07f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:03:38, skipping insertion in model container [2019-10-15 03:03:38,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:03:37" (2/3) ... [2019-10-15 03:03:38,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6c07f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:03:38, skipping insertion in model container [2019-10-15 03:03:38,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:03:38" (3/3) ... [2019-10-15 03:03:38,139 INFO L109 eAbstractionObserver]: Analyzing ICFG heavy-2.c [2019-10-15 03:03:38,149 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:03:38,157 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:03:38,173 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:03:38,197 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:03:38,197 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:03:38,198 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:03:38,198 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:03:38,198 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:03:38,198 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:03:38,198 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:03:38,198 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:03:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-10-15 03:03:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-15 03:03:38,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:03:38,221 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:03:38,223 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:03:38,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:03:38,228 INFO L82 PathProgramCache]: Analyzing trace with hash -12510755, now seen corresponding path program 1 times [2019-10-15 03:03:38,237 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:03:38,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577306047] [2019-10-15 03:03:38,238 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:03:38,238 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:03:38,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:03:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:03:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:03:38,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577306047] [2019-10-15 03:03:38,440 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:03:38,441 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:03:38,441 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090639054] [2019-10-15 03:03:38,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:03:38,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:03:38,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:03:38,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:03:38,463 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-10-15 03:03:38,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:03:38,518 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2019-10-15 03:03:38,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:03:38,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-10-15 03:03:38,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:03:38,530 INFO L225 Difference]: With dead ends: 25 [2019-10-15 03:03:38,531 INFO L226 Difference]: Without dead ends: 14 [2019-10-15 03:03:38,535 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:03:38,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-10-15 03:03:38,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2019-10-15 03:03:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-15 03:03:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-10-15 03:03:38,590 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 8 [2019-10-15 03:03:38,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:03:38,591 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-10-15 03:03:38,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:03:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-10-15 03:03:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-15 03:03:38,594 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:03:38,595 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:03:38,595 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:03:38,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:03:38,596 INFO L82 PathProgramCache]: Analyzing trace with hash 821858575, now seen corresponding path program 1 times [2019-10-15 03:03:38,596 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:03:38,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795245325] [2019-10-15 03:03:38,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:03:38,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:03:38,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:03:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:03:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:03:38,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795245325] [2019-10-15 03:03:38,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:03:38,739 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:03:38,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101321197] [2019-10-15 03:03:38,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:03:38,743 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:03:38,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:03:38,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:03:38,744 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-10-15 03:03:38,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:03:38,805 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2019-10-15 03:03:38,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:03:38,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-10-15 03:03:38,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:03:38,811 INFO L225 Difference]: With dead ends: 20 [2019-10-15 03:03:38,811 INFO L226 Difference]: Without dead ends: 14 [2019-10-15 03:03:38,813 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:03:38,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-10-15 03:03:38,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-10-15 03:03:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-10-15 03:03:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-10-15 03:03:38,823 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2019-10-15 03:03:38,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:03:38,823 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-10-15 03:03:38,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:03:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-10-15 03:03:38,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-15 03:03:38,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:03:38,825 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:03:38,826 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:03:38,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:03:38,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1551678377, now seen corresponding path program 1 times [2019-10-15 03:03:38,828 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:03:38,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293765068] [2019-10-15 03:03:38,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:03:38,831 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:03:38,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:03:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:03:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:03:39,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293765068] [2019-10-15 03:03:39,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383767677] [2019-10-15 03:03:39,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:03:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:03:39,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-15 03:03:39,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:03:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:03:39,166 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:03:39,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:03:39,207 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 03:03:39,208 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [4] total 7 [2019-10-15 03:03:39,208 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594527741] [2019-10-15 03:03:39,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:03:39,209 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:03:39,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:03:39,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:03:39,218 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 5 states. [2019-10-15 03:03:39,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:03:39,349 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2019-10-15 03:03:39,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:03:39,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-10-15 03:03:39,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:03:39,352 INFO L225 Difference]: With dead ends: 27 [2019-10-15 03:03:39,352 INFO L226 Difference]: Without dead ends: 20 [2019-10-15 03:03:39,353 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:03:39,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-15 03:03:39,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2019-10-15 03:03:39,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-15 03:03:39,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-10-15 03:03:39,359 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2019-10-15 03:03:39,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:03:39,359 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-10-15 03:03:39,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:03:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-10-15 03:03:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-15 03:03:39,360 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:03:39,361 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:03:39,566 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:03:39,568 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:03:39,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:03:39,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1033585897, now seen corresponding path program 1 times [2019-10-15 03:03:39,575 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:03:39,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914758100] [2019-10-15 03:03:39,576 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:03:39,577 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:03:39,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:03:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:03:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:03:39,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914758100] [2019-10-15 03:03:39,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7152601] [2019-10-15 03:03:39,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:03:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:03:39,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-15 03:03:39,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:03:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:03:40,018 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:03:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:03:40,268 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [280568578] [2019-10-15 03:03:40,355 INFO L162 IcfgInterpreter]: Started Sifa with 11 locations of interest [2019-10-15 03:03:40,355 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:03:40,367 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:03:40,380 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:03:40,380 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:03:40,655 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2019-10-15 03:03:42,003 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,092 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,192 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,266 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,334 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,402 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,477 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,548 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,617 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,689 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,769 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:42,836 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:43,159 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:43,239 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:43,318 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:43,406 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:43,472 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:43,550 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:43,626 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,042 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,121 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,410 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,469 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,534 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,605 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,674 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,737 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,804 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:44,871 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:45,233 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:45,299 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:45,352 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:45,406 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:47,673 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (select |v_#memory_int_29| |~#array~0.base|))) (let ((.cse0 (select .cse1 (+ |~#array~0.offset| (mod main_~j~0 4294967296))))) (= .cse0 (+ (mod (+ (select .cse1 (+ (mod (+ main_~k~0 4294967295) 4294967296) |~#array~0.offset|)) .cse0) 256) (- 256))))) [2019-10-15 03:03:47,778 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:47,829 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:47,888 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:47,952 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,004 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,076 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,153 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,218 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,301 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,360 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,418 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,467 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,521 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,571 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,638 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,689 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,744 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,808 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,866 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,923 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:48,984 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:49,043 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:49,101 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:49,174 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:49,227 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:49,277 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:49,535 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:49,598 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:49,866 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:50,126 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:50,183 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:50,465 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:50,727 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:50,783 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:50,844 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:50,922 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:50,970 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:51,362 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:51,422 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:51,822 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:51,878 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:51,931 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,213 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,264 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,322 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,385 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,438 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,494 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,580 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,674 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,720 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:52,765 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,054 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,098 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,148 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,189 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,517 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,574 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,636 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,700 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,763 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,819 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,879 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,939 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:53,994 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,047 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,101 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,168 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,220 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,307 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,359 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,407 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,449 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,495 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,690 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,742 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,792 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,850 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:54,907 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:56,825 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 451 [2019-10-15 03:03:56,926 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:57,082 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:57,320 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:57,347 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:57,817 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:57,848 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:58,208 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:58,341 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:58,743 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:03:59,036 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 22 for LOIs [2019-10-15 03:03:59,044 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 03:03:59,340 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-10-15 03:03:59,499 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-10-15 03:03:59,638 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-10-15 03:03:59,830 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2019-10-15 03:03:59,857 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-15 03:03:59,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6, 7] total 19 [2019-10-15 03:03:59,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522680303] [2019-10-15 03:03:59,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-15 03:03:59,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:03:59,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-15 03:03:59,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:03:59,861 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 19 states. [2019-10-15 03:04:00,246 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-10-15 03:04:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:04:01,283 INFO L93 Difference]: Finished difference Result 47 states and 64 transitions. [2019-10-15 03:04:01,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-15 03:04:01,284 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 14 [2019-10-15 03:04:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:04:01,285 INFO L225 Difference]: With dead ends: 47 [2019-10-15 03:04:01,285 INFO L226 Difference]: Without dead ends: 38 [2019-10-15 03:04:01,287 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=281, Invalid=1201, Unknown=0, NotChecked=0, Total=1482 [2019-10-15 03:04:01,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-15 03:04:01,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2019-10-15 03:04:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-15 03:04:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2019-10-15 03:04:01,296 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 14 [2019-10-15 03:04:01,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:04:01,296 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2019-10-15 03:04:01,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-15 03:04:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2019-10-15 03:04:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-15 03:04:01,298 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:04:01,298 INFO L380 BasicCegarLoop]: trace histogram [12, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:04:01,501 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:04:01,501 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:04:01,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:04:01,502 INFO L82 PathProgramCache]: Analyzing trace with hash 83697117, now seen corresponding path program 2 times [2019-10-15 03:04:01,502 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:04:01,502 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748040212] [2019-10-15 03:04:01,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:04:01,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:04:01,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:04:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:04:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 59 proven. 6 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-10-15 03:04:01,765 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748040212] [2019-10-15 03:04:01,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895225447] [2019-10-15 03:04:01,766 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-10-15 03:04:01,834 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-10-15 03:04:01,834 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-15 03:04:01,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:04:01,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:04:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2019-10-15 03:04:01,895 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:04:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2019-10-15 03:04:01,934 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 03:04:01,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2019-10-15 03:04:01,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094536896] [2019-10-15 03:04:01,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:04:01,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:04:01,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:04:01,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:04:01,936 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand 4 states. [2019-10-15 03:04:01,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:04:01,945 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2019-10-15 03:04:01,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:04:01,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-10-15 03:04:01,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:04:01,949 INFO L225 Difference]: With dead ends: 37 [2019-10-15 03:04:01,949 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:04:01,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:04:01,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:04:01,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:04:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:04:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:04:01,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2019-10-15 03:04:01,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:04:01,951 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:04:01,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:04:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:04:01,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:04:02,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:04:02,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:04:02,470 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-10-15 03:04:02,630 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-10-15 03:04:02,733 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#array~0.base)| |~#array~0.base|) (= |~#array~0.offset| |old(~#array~0.offset)|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)) [2019-10-15 03:04:02,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:04:02,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:04:02,733 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1048576 (select |#length| |~#array~0.base|)) (<= |#NULL.base| 0) (< |~#array~0.base| |#StackHeapBarrier|) (= (store ((as const (Array Int Int)) 0) |~#array~0.offset| 1) (select |#memory_int| |~#array~0.base|)) (= 0 (select |#valid| 0)) (= (select |#valid| |~#array~0.base|) 1) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= 0 |~#array~0.offset|)) [2019-10-15 03:04:02,734 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:04:02,734 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:04:02,734 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 5 21) no Hoare annotation was computed. [2019-10-15 03:04:02,734 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 5 21) no Hoare annotation was computed. [2019-10-15 03:04:02,734 INFO L439 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: (or (not (= (select |old(#memory_int)| |~#array~0.base|) (store ((as const (Array Int Int)) 0) |~#array~0.offset| 1))) (not (= 0 |~#array~0.offset|)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 1 (select |#valid| |~#array~0.base|))) (not (= 0 (select |#valid| 0))) (not (<= |#NULL.base| 0)) (not (= 1048576 (select |#length| |~#array~0.base|))) (not (< |~#array~0.base| |#StackHeapBarrier|)) (and (< (mod main_~i~0 4294967296) 1048576) (or (and (= |main_#in~argv.base| main_~argv.base) (= |main_#in~argc| main_~argc) (= |main_#in~argv.offset| main_~argv.offset) (= main_~j~0 0) (= |#memory_int| |old(#memory_int)|) (= main_~i~0 0)) (<= 1048576 (mod main_~k~0 4294967296))) (= main_~a~0 1))) [2019-10-15 03:04:02,734 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 5 21) the Hoare annotation is: (or (not (= (select |old(#memory_int)| |~#array~0.base|) (store ((as const (Array Int Int)) 0) |~#array~0.offset| 1))) (not (= 0 |~#array~0.offset|)) (= |#memory_int| |old(#memory_int)|) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 1 (select |#valid| |~#array~0.base|))) (not (= 0 (select |#valid| 0))) (not (<= |#NULL.base| 0)) (not (= 1048576 (select |#length| |~#array~0.base|))) (not (< |~#array~0.base| |#StackHeapBarrier|))) [2019-10-15 03:04:02,734 INFO L439 ceAbstractionStarter]: At program point L16(lines 6 21) the Hoare annotation is: (or (not (= (select |old(#memory_int)| |~#array~0.base|) (store ((as const (Array Int Int)) 0) |~#array~0.offset| 1))) (not (= 0 |~#array~0.offset|)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 1 (select |#valid| |~#array~0.base|))) (not (= 0 (select |#valid| 0))) (not (<= |#NULL.base| 0)) (not (= 1048576 (select |#length| |~#array~0.base|))) (not (< |~#array~0.base| |#StackHeapBarrier|))) [2019-10-15 03:04:02,735 INFO L439 ceAbstractionStarter]: At program point L12-3(lines 12 13) the Hoare annotation is: (or (not (= (select |old(#memory_int)| |~#array~0.base|) (store ((as const (Array Int Int)) 0) |~#array~0.offset| 1))) (not (= 0 |~#array~0.offset|)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 1 (select |#valid| |~#array~0.base|))) (not (= 0 (select |#valid| 0))) (not (<= |#NULL.base| 0)) (not (= 1048576 (select |#length| |~#array~0.base|))) (and (< (mod main_~i~0 4294967296) 1048576) (= main_~a~0 1)) (not (< |~#array~0.base| |#StackHeapBarrier|))) [2019-10-15 03:04:02,735 INFO L439 ceAbstractionStarter]: At program point L10-3(lines 10 13) the Hoare annotation is: (let ((.cse0 (= main_~a~0 1))) (or (not (= (select |old(#memory_int)| |~#array~0.base|) (store ((as const (Array Int Int)) 0) |~#array~0.offset| 1))) (not (= 0 |~#array~0.offset|)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 1 (select |#valid| |~#array~0.base|))) (not (= 0 (select |#valid| 0))) (not (<= |#NULL.base| 0)) (not (= 1048576 (select |#length| |~#array~0.base|))) (and (<= 1048576 (mod main_~k~0 4294967296)) .cse0) (not (< |~#array~0.base| |#StackHeapBarrier|)) (and .cse0 (= |#memory_int| |old(#memory_int)|) (= main_~i~0 0)))) [2019-10-15 03:04:02,735 INFO L443 ceAbstractionStarter]: For program point L10-4(lines 6 21) no Hoare annotation was computed. [2019-10-15 03:04:02,735 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2019-10-15 03:04:02,743 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:312) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:157) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-15 03:04:02,747 INFO L168 Benchmark]: Toolchain (without parser) took 25643.51 ms. Allocated memory was 136.8 MB in the beginning and 498.6 MB in the end (delta: 361.8 MB). Free memory was 100.6 MB in the beginning and 440.1 MB in the end (delta: -339.5 MB). Peak memory consumption was 381.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:02,748 INFO L168 Benchmark]: CDTParser took 1.49 ms. Allocated memory is still 136.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 03:04:02,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.63 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 100.4 MB in the beginning and 160.1 MB in the end (delta: -59.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:02,749 INFO L168 Benchmark]: Boogie Preprocessor took 41.67 ms. Allocated memory is still 198.7 MB. Free memory was 160.1 MB in the beginning and 157.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:02,750 INFO L168 Benchmark]: RCFGBuilder took 493.41 ms. Allocated memory is still 198.7 MB. Free memory was 157.9 MB in the beginning and 140.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:02,750 INFO L168 Benchmark]: TraceAbstraction took 24618.41 ms. Allocated memory was 198.7 MB in the beginning and 498.6 MB in the end (delta: 299.9 MB). Free memory was 139.9 MB in the beginning and 440.1 MB in the end (delta: -300.2 MB). Peak memory consumption was 358.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:04:02,753 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 ms. Allocated memory is still 136.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 483.63 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 100.4 MB in the beginning and 160.1 MB in the end (delta: -59.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.67 ms. Allocated memory is still 198.7 MB. Free memory was 160.1 MB in the beginning and 157.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.41 ms. Allocated memory is still 198.7 MB. Free memory was 157.9 MB in the beginning and 140.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24618.41 ms. Allocated memory was 198.7 MB in the beginning and 498.6 MB in the end (delta: 299.9 MB). Free memory was 139.9 MB in the beginning and 440.1 MB in the end (delta: -300.2 MB). Peak memory consumption was 358.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...