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/eca-rers2012/Problem02_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:41:06,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:41:06,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:41:06,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:41:06,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:41:06,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:41:06,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:41:06,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:41:06,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:41:06,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:41:06,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:41:06,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:41:06,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:41:06,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:41:06,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:41:06,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:41:06,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:41:06,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:41:06,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:41:06,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:41:06,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:41:06,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:41:06,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:41:06,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:41:06,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 21:41:06,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:41:06,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:41:06,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:41:06,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:41:06,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:41:06,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:41:06,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:41:06,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:41:06,290 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:41:06,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:41:06,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:41:06,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:41:06,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:41:06,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:41:06,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:41:06,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:41:06,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:41:06,293 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:41:06,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:41:06,294 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:41:06,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:41:06,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:41:06,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:41:06,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:41:06,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:41:06,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:41:06,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:41:06,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:41:06,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:41:06,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:41:06,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:41:06,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:41:06,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 21:41:06,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:41:06,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:41:06,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:41:06,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:41:06,604 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:41:06,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2019-10-13 21:41:06,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d777bf48e/3ee7d72a229b4d0f830d8eb23676ad04/FLAG12f18ada8 [2019-10-13 21:41:07,256 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:41:07,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2019-10-13 21:41:07,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d777bf48e/3ee7d72a229b4d0f830d8eb23676ad04/FLAG12f18ada8 [2019-10-13 21:41:07,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d777bf48e/3ee7d72a229b4d0f830d8eb23676ad04 [2019-10-13 21:41:07,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:41:07,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:41:07,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:41:07,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:41:07,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:41:07,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:41:07" (1/1) ... [2019-10-13 21:41:07,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11574e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:07, skipping insertion in model container [2019-10-13 21:41:07,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:41:07" (1/1) ... [2019-10-13 21:41:07,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:41:07,587 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:41:08,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:41:08,133 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:41:08,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:41:08,276 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:41:08,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08 WrapperNode [2019-10-13 21:41:08,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:41:08,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:41:08,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:41:08,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:41:08,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:41:08,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:41:08,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:41:08,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:41:08,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:41:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:41:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:41:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 21:41:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:41:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 21:41:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:41:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:41:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:41:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:41:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:41:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:41:10,420 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:41:10,421 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 21:41:10,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:41:10 BoogieIcfgContainer [2019-10-13 21:41:10,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:41:10,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:41:10,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:41:10,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:41:10,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:41:07" (1/3) ... [2019-10-13 21:41:10,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2f18a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:41:10, skipping insertion in model container [2019-10-13 21:41:10,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (2/3) ... [2019-10-13 21:41:10,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2f18a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:41:10, skipping insertion in model container [2019-10-13 21:41:10,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:41:10" (3/3) ... [2019-10-13 21:41:10,431 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2019-10-13 21:41:10,441 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:41:10,449 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:41:10,460 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:41:10,486 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:41:10,486 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:41:10,486 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:41:10,486 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:41:10,487 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:41:10,487 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:41:10,487 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:41:10,487 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:41:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-13 21:41:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-13 21:41:10,518 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:41:10,520 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:41:10,522 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:41:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:41:10,529 INFO L82 PathProgramCache]: Analyzing trace with hash -219367625, now seen corresponding path program 1 times [2019-10-13 21:41:10,539 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:41:10,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180685404] [2019-10-13 21:41:10,540 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:10,540 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:10,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:41:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:11,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180685404] [2019-10-13 21:41:11,071 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:41:11,071 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:41:11,072 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751297017] [2019-10-13 21:41:11,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:41:11,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:41:11,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:41:11,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:41:11,099 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 4 states. [2019-10-13 21:41:11,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:41:11,952 INFO L93 Difference]: Finished difference Result 361 states and 678 transitions. [2019-10-13 21:41:11,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:41:11,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2019-10-13 21:41:11,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:41:11,982 INFO L225 Difference]: With dead ends: 361 [2019-10-13 21:41:11,982 INFO L226 Difference]: Without dead ends: 259 [2019-10-13 21:41:11,987 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:41:12,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2019-10-13 21:41:12,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 175. [2019-10-13 21:41:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-13 21:41:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 317 transitions. [2019-10-13 21:41:12,086 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 317 transitions. Word has length 86 [2019-10-13 21:41:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:41:12,087 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 317 transitions. [2019-10-13 21:41:12,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:41:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 317 transitions. [2019-10-13 21:41:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 21:41:12,099 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:41:12,104 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:41:12,104 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:41:12,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:41:12,105 INFO L82 PathProgramCache]: Analyzing trace with hash -701902404, now seen corresponding path program 1 times [2019-10-13 21:41:12,105 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:41:12,106 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639259484] [2019-10-13 21:41:12,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:12,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:12,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:41:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:41:12,276 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639259484] [2019-10-13 21:41:12,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66221265] [2019-10-13 21:41:12,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:41:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:12,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:41:12,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:41:12,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:12,434 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:41:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:12,490 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 21:41:12,490 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2019-10-13 21:41:12,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679192907] [2019-10-13 21:41:12,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:41:12,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:41:12,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:41:12,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:41:12,496 INFO L87 Difference]: Start difference. First operand 175 states and 317 transitions. Second operand 3 states. [2019-10-13 21:41:12,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:41:12,998 INFO L93 Difference]: Finished difference Result 345 states and 637 transitions. [2019-10-13 21:41:12,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:41:12,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-13 21:41:13,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:41:13,008 INFO L225 Difference]: With dead ends: 345 [2019-10-13 21:41:13,008 INFO L226 Difference]: Without dead ends: 343 [2019-10-13 21:41:13,009 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:41:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-13 21:41:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 259. [2019-10-13 21:41:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-10-13 21:41:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 480 transitions. [2019-10-13 21:41:13,034 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 480 transitions. Word has length 94 [2019-10-13 21:41:13,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:41:13,035 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 480 transitions. [2019-10-13 21:41:13,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:41:13,035 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 480 transitions. [2019-10-13 21:41:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-13 21:41:13,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:41:13,038 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:41:13,243 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:41:13,243 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:41:13,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:41:13,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1874062962, now seen corresponding path program 1 times [2019-10-13 21:41:13,244 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:41:13,244 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536559135] [2019-10-13 21:41:13,244 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:13,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:13,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:41:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:13,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536559135] [2019-10-13 21:41:13,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:41:13,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:41:13,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654584626] [2019-10-13 21:41:13,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:41:13,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:41:13,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:41:13,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:41:13,348 INFO L87 Difference]: Start difference. First operand 259 states and 480 transitions. Second operand 6 states. [2019-10-13 21:41:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:41:13,697 INFO L93 Difference]: Finished difference Result 525 states and 992 transitions. [2019-10-13 21:41:13,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:41:13,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2019-10-13 21:41:13,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:41:13,702 INFO L225 Difference]: With dead ends: 525 [2019-10-13 21:41:13,702 INFO L226 Difference]: Without dead ends: 271 [2019-10-13 21:41:13,705 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:41:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-10-13 21:41:13,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 261. [2019-10-13 21:41:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2019-10-13 21:41:13,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 437 transitions. [2019-10-13 21:41:13,727 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 437 transitions. Word has length 101 [2019-10-13 21:41:13,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:41:13,727 INFO L462 AbstractCegarLoop]: Abstraction has 261 states and 437 transitions. [2019-10-13 21:41:13,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:41:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 437 transitions. [2019-10-13 21:41:13,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:41:13,733 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:41:13,733 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:41:13,734 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:41:13,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:41:13,734 INFO L82 PathProgramCache]: Analyzing trace with hash -852394713, now seen corresponding path program 1 times [2019-10-13 21:41:13,734 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:41:13,735 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362013085] [2019-10-13 21:41:13,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:13,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:13,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:41:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:13,829 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362013085] [2019-10-13 21:41:13,829 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:41:13,830 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:41:13,830 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764504971] [2019-10-13 21:41:13,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:41:13,831 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:41:13,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:41:13,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:41:13,831 INFO L87 Difference]: Start difference. First operand 261 states and 437 transitions. Second operand 3 states. [2019-10-13 21:41:14,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:41:14,236 INFO L93 Difference]: Finished difference Result 683 states and 1156 transitions. [2019-10-13 21:41:14,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:41:14,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-13 21:41:14,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:41:14,237 INFO L225 Difference]: With dead ends: 683 [2019-10-13 21:41:14,237 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:41:14,239 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:41:14,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:41:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:41:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:41:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:41:14,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2019-10-13 21:41:14,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:41:14,240 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:41:14,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:41:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:41:14,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:41:14,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:41:14,507 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~a17~0 |old(~a17~0)|) [2019-10-13 21:41:14,507 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:41:14,507 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-13 21:41:14,507 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-13 21:41:14,508 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-13 21:41:14,508 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-13 21:41:14,508 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:41:14,508 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-13 21:41:14,509 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 21:41:14,509 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-13 21:41:14,509 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-13 21:41:14,509 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-13 21:41:14,509 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-13 21:41:14,509 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-13 21:41:14,509 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= 9 |old(~a17~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|))) (and (or (and .cse0 (or (not (= ~a25~0 ~a19~0)) (not (= ~a25~0 1)))) (and (= 1 |old(~a25~0)|) (= |old(~a19~0)| |old(~a25~0)|)) .cse1) (or (and .cse0 (= ~a11~0 1)) (not (= 1 |old(~a11~0)|)) .cse1) (or (not (<= 8 |old(~a17~0)|)) .cse1 .cse0))) [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 ~a19~0)) (<= 8 ~a17~0) (not (= ~a17~0 9))) [2019-10-13 21:41:14,522 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:41:14,522 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (not (= ~a25~0 ~a19~0)) (= ~a17~0 |old(~a17~0)|)) (not (<= 8 |old(~a17~0)|)) (= 9 |old(~a17~0)|) (= |old(~a19~0)| |old(~a25~0)|)) [2019-10-13 21:41:14,523 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 9)))) (or (and (= ~a11~0 1) .cse0) (not (<= 8 |old(~a17~0)|)) (and (<= 8 ~a17~0) .cse0) (and (or (not (= ~a25~0 ~a19~0)) (not (= ~a25~0 1))) .cse0) (= 9 |old(~a17~0)|) (= |old(~a19~0)| |old(~a25~0)|))) [2019-10-13 21:41:14,523 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-13 21:41:14,523 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-13 21:41:14,523 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 9)))) (or (and (= ~a11~0 1) .cse0) (not (<= 8 |old(~a17~0)|)) (and (<= 8 ~a17~0) .cse0) (and (or (not (= ~a25~0 ~a19~0)) (not (= ~a25~0 1))) .cse0) (= 9 |old(~a17~0)|) (= |old(~a19~0)| |old(~a25~0)|))) [2019-10-13 21:41:14,523 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 21:41:14,523 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-13 21:41:14,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:41:14 BoogieIcfgContainer [2019-10-13 21:41:14,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:41:14,544 INFO L168 Benchmark]: Toolchain (without parser) took 7032.89 ms. Allocated memory was 137.9 MB in the beginning and 296.2 MB in the end (delta: 158.3 MB). Free memory was 101.2 MB in the beginning and 164.1 MB in the end (delta: -62.9 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,545 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.45 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 101.0 MB in the beginning and 172.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,547 INFO L168 Benchmark]: Boogie Preprocessor took 104.57 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 167.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,548 INFO L168 Benchmark]: RCFGBuilder took 2038.86 ms. Allocated memory was 205.0 MB in the beginning and 250.6 MB in the end (delta: 45.6 MB). Free memory was 167.0 MB in the beginning and 200.4 MB in the end (delta: -33.4 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,549 INFO L168 Benchmark]: TraceAbstraction took 4117.55 ms. Allocated memory was 250.6 MB in the beginning and 296.2 MB in the end (delta: 45.6 MB). Free memory was 198.5 MB in the beginning and 164.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,553 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.45 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 101.0 MB in the beginning and 172.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.57 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 167.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2038.86 ms. Allocated memory was 205.0 MB in the beginning and 250.6 MB in the end (delta: 45.6 MB). Free memory was 167.0 MB in the beginning and 200.4 MB in the end (delta: -33.4 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4117.55 ms. Allocated memory was 250.6 MB in the beginning and 296.2 MB in the end (delta: 45.6 MB). Free memory was 198.5 MB in the beginning and 164.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: 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 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((a11 == 1 && !(a17 == 9)) || !(8 <= \old(a17))) || (8 <= a17 && !(a17 == 9))) || ((!(a25 == a19) || !(a25 == 1)) && !(a17 == 9))) || 9 == \old(a17)) || \old(a19) == \old(a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 1 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 216 SDtfs, 452 SDslu, 73 SDs, 0 SdLazy, 1193 SolverSat, 270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 200 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=261occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 178 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 18 PreInvPairs, 28 NumberOfFragments, 168 HoareAnnotationTreeSize, 18 FomulaSimplifications, 370 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 136 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 487 NumberOfCodeBlocks, 487 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 575 ConstructedInterpolants, 0 QuantifiedInterpolants, 189352 SizeOfPredicates, 2 NumberOfNonLiveVariables, 310 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 48/50 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...