/usr/bin/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/Problem01_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:34:05,286 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-07 01:34:05,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:34:05,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:34:05,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:34:05,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:34:05,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:34:05,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:34:05,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:34:05,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:34:05,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:34:05,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:34:05,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:34:05,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:34:05,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 01:34:05,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:34:05,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:34:05,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:34:05,368 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 [2019-11-07 01:34:05,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:34:05,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:34:05,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:34:05,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:34:05,383 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:34:05,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:34:05,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:34:05,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:34:05,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:34:05,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:34:05,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:34:05,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:34:05,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:34:05,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:34:05,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:34:05,385 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:34:05,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:34:05,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:34:05,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:34:05,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:34:05,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:34:05,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:34:05,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:34:05,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:34:05,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:34:05,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:34:05,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:34:05,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:34:05,388 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 [2019-11-07 01:34:05,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:34:05,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:34:05,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:34:05,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:34:05,721 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:34:05,722 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label09.c [2019-11-07 01:34:05,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d345f339a/633952d8c49a4be6ae0c8e48e83bd191/FLAG3fbf2f496 [2019-11-07 01:34:06,418 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:34:06,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label09.c [2019-11-07 01:34:06,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d345f339a/633952d8c49a4be6ae0c8e48e83bd191/FLAG3fbf2f496 [2019-11-07 01:34:06,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d345f339a/633952d8c49a4be6ae0c8e48e83bd191 [2019-11-07 01:34:06,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:34:06,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:34:06,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:34:06,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:34:06,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:34:06,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:06" (1/1) ... [2019-11-07 01:34:06,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681add23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:06, skipping insertion in model container [2019-11-07 01:34:06,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:06" (1/1) ... [2019-11-07 01:34:06,672 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:34:06,733 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:34:07,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:34:07,265 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:34:07,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:34:07,465 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:34:07,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07 WrapperNode [2019-11-07 01:34:07,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:34:07,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:34:07,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:34:07,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:34:07,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (1/1) ... [2019-11-07 01:34:07,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (1/1) ... [2019-11-07 01:34:07,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (1/1) ... [2019-11-07 01:34:07,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (1/1) ... [2019-11-07 01:34:07,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (1/1) ... [2019-11-07 01:34:07,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (1/1) ... [2019-11-07 01:34:07,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (1/1) ... [2019-11-07 01:34:07,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:34:07,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:34:07,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:34:07,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:34:07,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (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 [2019-11-07 01:34:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:34:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:34:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:34:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:34:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:34:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:34:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:34:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:34:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:34:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:34:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:34:09,694 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:34:09,695 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:34:09,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:09 BoogieIcfgContainer [2019-11-07 01:34:09,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:34:09,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:34:09,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:34:09,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:34:09,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:34:06" (1/3) ... [2019-11-07 01:34:09,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5645c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:34:09, skipping insertion in model container [2019-11-07 01:34:09,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:07" (2/3) ... [2019-11-07 01:34:09,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5645c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:34:09, skipping insertion in model container [2019-11-07 01:34:09,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:09" (3/3) ... [2019-11-07 01:34:09,705 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label09.c [2019-11-07 01:34:09,715 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:34:09,723 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:34:09,734 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:34:09,760 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:34:09,760 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:34:09,761 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:34:09,761 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:34:09,761 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:34:09,761 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:34:09,761 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:34:09,762 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:34:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-11-07 01:34:09,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 01:34:09,791 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:09,793 INFO L410 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] [2019-11-07 01:34:09,796 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:09,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:09,802 INFO L82 PathProgramCache]: Analyzing trace with hash -281992187, now seen corresponding path program 1 times [2019-11-07 01:34:09,812 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:09,812 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31553282] [2019-11-07 01:34:09,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:10,382 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31553282] [2019-11-07 01:34:10,383 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:34:10,383 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:34:10,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041999475] [2019-11-07 01:34:10,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:34:10,392 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:34:10,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:34:10,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:34:10,409 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 4 states. [2019-11-07 01:34:11,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:11,210 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-11-07 01:34:11,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:34:11,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2019-11-07 01:34:11,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:11,237 INFO L225 Difference]: With dead ends: 246 [2019-11-07 01:34:11,237 INFO L226 Difference]: Without dead ends: 157 [2019-11-07 01:34:11,243 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:34:11,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-07 01:34:11,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-11-07 01:34:11,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-07 01:34:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 291 transitions. [2019-11-07 01:34:11,358 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 291 transitions. Word has length 77 [2019-11-07 01:34:11,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:11,359 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 291 transitions. [2019-11-07 01:34:11,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:34:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 291 transitions. [2019-11-07 01:34:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:34:11,366 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:11,366 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:34:11,366 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:11,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:11,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1931107420, now seen corresponding path program 1 times [2019-11-07 01:34:11,367 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:11,368 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185422780] [2019-11-07 01:34:11,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:11,566 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185422780] [2019-11-07 01:34:11,566 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:34:11,566 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:34:11,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940639432] [2019-11-07 01:34:11,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:34:11,569 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:34:11,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:34:11,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:34:11,569 INFO L87 Difference]: Start difference. First operand 157 states and 291 transitions. Second operand 6 states. [2019-11-07 01:34:12,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:12,136 INFO L93 Difference]: Finished difference Result 402 states and 762 transitions. [2019-11-07 01:34:12,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:34:12,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-11-07 01:34:12,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:12,143 INFO L225 Difference]: With dead ends: 402 [2019-11-07 01:34:12,144 INFO L226 Difference]: Without dead ends: 250 [2019-11-07 01:34:12,147 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:34:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-07 01:34:12,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 236. [2019-11-07 01:34:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-07 01:34:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 428 transitions. [2019-11-07 01:34:12,190 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 428 transitions. Word has length 87 [2019-11-07 01:34:12,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:12,190 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 428 transitions. [2019-11-07 01:34:12,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:34:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 428 transitions. [2019-11-07 01:34:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:34:12,196 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:12,196 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:34:12,197 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:12,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:12,197 INFO L82 PathProgramCache]: Analyzing trace with hash 311936534, now seen corresponding path program 1 times [2019-11-07 01:34:12,197 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:12,197 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541508921] [2019-11-07 01:34:12,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:12,346 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541508921] [2019-11-07 01:34:12,346 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:34:12,347 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:34:12,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337915109] [2019-11-07 01:34:12,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:34:12,349 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:34:12,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:34:12,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:34:12,350 INFO L87 Difference]: Start difference. First operand 236 states and 428 transitions. Second operand 4 states. [2019-11-07 01:34:13,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:13,114 INFO L93 Difference]: Finished difference Result 617 states and 1145 transitions. [2019-11-07 01:34:13,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:34:13,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-11-07 01:34:13,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:13,120 INFO L225 Difference]: With dead ends: 617 [2019-11-07 01:34:13,120 INFO L226 Difference]: Without dead ends: 386 [2019-11-07 01:34:13,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:34:13,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-11-07 01:34:13,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 311. [2019-11-07 01:34:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2019-11-07 01:34:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 527 transitions. [2019-11-07 01:34:13,142 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 527 transitions. Word has length 88 [2019-11-07 01:34:13,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:13,143 INFO L462 AbstractCegarLoop]: Abstraction has 311 states and 527 transitions. [2019-11-07 01:34:13,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:34:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 527 transitions. [2019-11-07 01:34:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-07 01:34:13,147 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:13,148 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:34:13,148 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:13,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1366244360, now seen corresponding path program 1 times [2019-11-07 01:34:13,149 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:13,149 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229208541] [2019-11-07 01:34:13,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:13,279 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229208541] [2019-11-07 01:34:13,280 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:34:13,280 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:34:13,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394201124] [2019-11-07 01:34:13,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:34:13,282 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:34:13,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:34:13,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:34:13,283 INFO L87 Difference]: Start difference. First operand 311 states and 527 transitions. Second operand 6 states. [2019-11-07 01:34:13,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:13,919 INFO L93 Difference]: Finished difference Result 872 states and 1532 transitions. [2019-11-07 01:34:13,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:34:13,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2019-11-07 01:34:13,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:13,920 INFO L225 Difference]: With dead ends: 872 [2019-11-07 01:34:13,920 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:34:13,923 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:34:13,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:34:13,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:34:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:34:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:34:13,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2019-11-07 01:34:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:13,924 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:34:13,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:34:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:34:13,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:34:13,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:34:14,182 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) [2019-11-07 01:34:14,182 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:34:14,182 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-07 01:34:14,182 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-07 01:34:14,183 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-07 01:34:14,184 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-07 01:34:14,184 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-07 01:34:14,184 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-07 01:34:14,184 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-07 01:34:14,184 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-07 01:34:14,184 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-07 01:34:14,184 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-07 01:34:14,185 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-07 01:34:14,185 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-07 01:34:14,185 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-07 01:34:14,185 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-07 01:34:14,185 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-07 01:34:14,185 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-07 01:34:14,185 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-07 01:34:14,186 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-07 01:34:14,186 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-07 01:34:14,186 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-07 01:34:14,186 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-07 01:34:14,186 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-11-07 01:34:14,186 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-11-07 01:34:14,186 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-07 01:34:14,187 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-07 01:34:14,187 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-07 01:34:14,187 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-07 01:34:14,187 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 530) no Hoare annotation was computed. [2019-11-07 01:34:14,187 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-07 01:34:14,187 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-07 01:34:14,188 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-07 01:34:14,188 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-07 01:34:14,188 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-07 01:34:14,188 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-07 01:34:14,188 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-07 01:34:14,188 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-07 01:34:14,188 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-07 01:34:14,188 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-07 01:34:14,189 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-07 01:34:14,189 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-07 01:34:14,189 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-07 01:34:14,189 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2))) (and (or (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) .cse0) (or (not (= 4 |old(~a16~0)|)) .cse0) (or (and .cse1 .cse2 (not (= ~a7~0 ~a21~0))) (= |old(~a7~0)| |old(~a21~0)|))))) [2019-11-07 01:34:14,189 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-07 01:34:14,190 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-07 01:34:14,191 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-07 01:34:14,192 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-07 01:34:14,192 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-07 01:34:14,192 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:34:14,192 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (not (= ~a7~0 ~a21~0)) (not (= ~a8~0 13))) [2019-11-07 01:34:14,192 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:34:14,192 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:34:14,192 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= |old(~a7~0)| |old(~a21~0)|) (= 13 |old(~a8~0)|) (and (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (not (= ~a7~0 ~a21~0)))) [2019-11-07 01:34:14,193 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-11-07 01:34:14,193 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= ~a16~0 4) (= 6 |old(~a16~0)|) (not (= ~a7~0 ~a21~0)) (and (not (= ~a16~0 6)) (not (= ~a8~0 13))) (= |old(~a7~0)| |old(~a21~0)|) (= 13 |old(~a8~0)|)) [2019-11-07 01:34:14,193 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-11-07 01:34:14,193 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-07 01:34:14,193 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= ~a16~0 4) (= 6 |old(~a16~0)|) (not (= ~a7~0 ~a21~0)) (and (not (= ~a16~0 6)) (not (= ~a8~0 13))) (= |old(~a7~0)| |old(~a21~0)|) (= 13 |old(~a8~0)|)) [2019-11-07 01:34:14,193 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-11-07 01:34:14,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:34:14 BoogieIcfgContainer [2019-11-07 01:34:14,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:34:14,213 INFO L168 Benchmark]: Toolchain (without parser) took 7556.73 ms. Allocated memory was 137.9 MB in the beginning and 307.8 MB in the end (delta: 169.9 MB). Free memory was 99.9 MB in the beginning and 208.7 MB in the end (delta: -108.8 MB). Peak memory consumption was 61.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:14,214 INFO L168 Benchmark]: CDTParser took 1.58 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 01:34:14,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.33 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 99.7 MB in the beginning and 163.6 MB in the end (delta: -63.9 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:14,216 INFO L168 Benchmark]: Boogie Preprocessor took 132.14 ms. Allocated memory is still 202.9 MB. Free memory was 163.6 MB in the beginning and 158.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:14,217 INFO L168 Benchmark]: RCFGBuilder took 2097.60 ms. Allocated memory was 202.9 MB in the beginning and 251.7 MB in the end (delta: 48.8 MB). Free memory was 158.1 MB in the beginning and 210.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 112.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:14,218 INFO L168 Benchmark]: TraceAbstraction took 4512.85 ms. Allocated memory was 251.7 MB in the beginning and 307.8 MB in the end (delta: 56.1 MB). Free memory was 210.4 MB in the beginning and 208.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:14,223 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 809.33 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 99.7 MB in the beginning and 163.6 MB in the end (delta: -63.9 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.14 ms. Allocated memory is still 202.9 MB. Free memory was 163.6 MB in the beginning and 158.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2097.60 ms. Allocated memory was 202.9 MB in the beginning and 251.7 MB in the end (delta: 48.8 MB). Free memory was 158.1 MB in the beginning and 210.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 112.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4512.85 ms. Allocated memory was 251.7 MB in the beginning and 307.8 MB in the end (delta: 56.1 MB). Free memory was 210.4 MB in the beginning and 208.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 530]: 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: 583]: Loop Invariant Derived loop invariant: ((((a16 == 4 || 6 == \old(a16)) || !(a7 == a21)) || (!(a16 == 6) && !(a8 == 13))) || \old(a7) == \old(a21)) || 13 == \old(a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 86 locations, 1 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 214 SDtfs, 757 SDslu, 131 SDs, 0 SdLazy, 1664 SolverSat, 330 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred 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, 89 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 26 PreInvPairs, 46 NumberOfFragments, 136 HoareAnnotationTreeSize, 26 FomulaSimplifications, 534 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 104047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 32/32 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...