/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_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:34:31,124 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-07 01:34:31,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:34:31,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:34:31,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:34:31,212 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 01:34:31,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:34:31,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:34:31,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:34:31,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:34:31,243 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:34:31,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:34:31,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:34:31,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:34:31,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:34:31,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:34:31,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:34:31,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:34:31,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:34:31,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:34:31,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:34:31,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:34:31,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:34:31,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:34:31,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:34:31,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:34:31,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:34:31,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:34:31,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:34:31,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:34:31,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:34:31,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:34:31,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:34:31,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:34:31,248 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 01:34:31,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:34:31,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:34:31,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:34:31,560 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:34:31,561 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:34:31,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label16.c [2019-11-07 01:34:31,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6fa3b2a/08c351248d07491db92cb2d4b21dc5c0/FLAGbf68be320 [2019-11-07 01:34:32,157 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:34:32,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label16.c [2019-11-07 01:34:32,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6fa3b2a/08c351248d07491db92cb2d4b21dc5c0/FLAGbf68be320 [2019-11-07 01:34:32,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6fa3b2a/08c351248d07491db92cb2d4b21dc5c0 [2019-11-07 01:34:32,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:34:32,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:34:32,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:34:32,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:34:32,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:34:32,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:32" (1/1) ... [2019-11-07 01:34:32,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f36264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:32, skipping insertion in model container [2019-11-07 01:34:32,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:32" (1/1) ... [2019-11-07 01:34:32,526 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:34:32,600 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:34:33,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:34:33,151 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:34:33,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:34:33,288 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:34:33,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33 WrapperNode [2019-11-07 01:34:33,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:34:33,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:34:33,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:34:33,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:34:33,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (1/1) ... [2019-11-07 01:34:33,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (1/1) ... [2019-11-07 01:34:33,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (1/1) ... [2019-11-07 01:34:33,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (1/1) ... [2019-11-07 01:34:33,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (1/1) ... [2019-11-07 01:34:33,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (1/1) ... [2019-11-07 01:34:33,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (1/1) ... [2019-11-07 01:34:33,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:34:33,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:34:33,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:34:33,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:34:33,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (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 01:34:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:34:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:34:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:34:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:34:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:34:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:34:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:34:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:34:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:34:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:34:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:34:35,378 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:34:35,379 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:34:35,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:35 BoogieIcfgContainer [2019-11-07 01:34:35,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:34:35,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:34:35,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:34:35,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:34:35,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:34:32" (1/3) ... [2019-11-07 01:34:35,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c5d67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:34:35, skipping insertion in model container [2019-11-07 01:34:35,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33" (2/3) ... [2019-11-07 01:34:35,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c5d67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:34:35, skipping insertion in model container [2019-11-07 01:34:35,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:35" (3/3) ... [2019-11-07 01:34:35,401 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label16.c [2019-11-07 01:34:35,419 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:34:35,428 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:34:35,440 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:34:35,471 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:34:35,471 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:34:35,471 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:34:35,471 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:34:35,472 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:34:35,472 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:34:35,472 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:34:35,472 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:34:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-11-07 01:34:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 01:34:35,513 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:35,515 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 01:34:35,516 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:35,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:35,523 INFO L82 PathProgramCache]: Analyzing trace with hash 826828967, now seen corresponding path program 1 times [2019-11-07 01:34:35,533 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:35,534 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477857030] [2019-11-07 01:34:35,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:35,969 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 01:34:35,970 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477857030] [2019-11-07 01:34:35,971 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:34:35,971 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:34:35,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659005504] [2019-11-07 01:34:35,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:34:35,979 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:34:35,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:34:35,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:34:35,997 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-11-07 01:34:36,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:36,544 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-11-07 01:34:36,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:34:36,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-11-07 01:34:36,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:36,561 INFO L225 Difference]: With dead ends: 246 [2019-11-07 01:34:36,561 INFO L226 Difference]: Without dead ends: 157 [2019-11-07 01:34:36,565 INFO L630 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 [2019-11-07 01:34:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-07 01:34:36,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-11-07 01:34:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-07 01:34:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 291 transitions. [2019-11-07 01:34:36,652 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 291 transitions. Word has length 77 [2019-11-07 01:34:36,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:36,653 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 291 transitions. [2019-11-07 01:34:36,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:34:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 291 transitions. [2019-11-07 01:34:36,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-07 01:34:36,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:36,658 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:34:36,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:36,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:36,659 INFO L82 PathProgramCache]: Analyzing trace with hash 579803918, now seen corresponding path program 1 times [2019-11-07 01:34:36,659 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:36,660 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353561074] [2019-11-07 01:34:36,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:36,905 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353561074] [2019-11-07 01:34:36,905 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:34:36,906 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:34:36,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634691123] [2019-11-07 01:34:36,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:34:36,908 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:34:36,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:34:36,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:34:36,909 INFO L87 Difference]: Start difference. First operand 157 states and 291 transitions. Second operand 3 states. [2019-11-07 01:34:37,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:37,367 INFO L93 Difference]: Finished difference Result 459 states and 874 transitions. [2019-11-07 01:34:37,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:34:37,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-11-07 01:34:37,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:37,373 INFO L225 Difference]: With dead ends: 459 [2019-11-07 01:34:37,373 INFO L226 Difference]: Without dead ends: 307 [2019-11-07 01:34:37,375 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:34:37,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2019-11-07 01:34:37,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 232. [2019-11-07 01:34:37,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2019-11-07 01:34:37,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 418 transitions. [2019-11-07 01:34:37,396 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 418 transitions. Word has length 94 [2019-11-07 01:34:37,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:37,396 INFO L462 AbstractCegarLoop]: Abstraction has 232 states and 418 transitions. [2019-11-07 01:34:37,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:34:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 418 transitions. [2019-11-07 01:34:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-07 01:34:37,400 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:37,400 INFO L410 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, 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] [2019-11-07 01:34:37,400 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:37,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:37,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1740709362, now seen corresponding path program 1 times [2019-11-07 01:34:37,401 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:37,401 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587766943] [2019-11-07 01:34:37,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:37,574 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587766943] [2019-11-07 01:34:37,575 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:34:37,575 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:34:37,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90859166] [2019-11-07 01:34:37,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:34:37,576 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:34:37,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:34:37,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:34:37,577 INFO L87 Difference]: Start difference. First operand 232 states and 418 transitions. Second operand 4 states. [2019-11-07 01:34:38,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:38,273 INFO L93 Difference]: Finished difference Result 832 states and 1552 transitions. [2019-11-07 01:34:38,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:34:38,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2019-11-07 01:34:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:38,275 INFO L225 Difference]: With dead ends: 832 [2019-11-07 01:34:38,275 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:34:38,279 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 01:34:38,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:34:38,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:34:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:34:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:34:38,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2019-11-07 01:34:38,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:38,281 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:34:38,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:34:38,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:34:38,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:34:38,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:34:38,521 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:34:38,522 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:34:38,522 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-07 01:34:38,522 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-07 01:34:38,522 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-07 01:34:38,523 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-07 01:34:38,523 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-07 01:34:38,523 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-07 01:34:38,523 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-07 01:34:38,523 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-07 01:34:38,523 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-07 01:34:38,523 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-07 01:34:38,524 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-07 01:34:38,524 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-07 01:34:38,524 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-07 01:34:38,524 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-07 01:34:38,524 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-07 01:34:38,524 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-07 01:34:38,525 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-07 01:34:38,525 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-07 01:34:38,525 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-07 01:34:38,525 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-07 01:34:38,525 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-07 01:34:38,525 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-07 01:34:38,525 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-07 01:34:38,526 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-07 01:34:38,526 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-07 01:34:38,526 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-07 01:34:38,526 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-07 01:34:38,526 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-07 01:34:38,526 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-07 01:34:38,526 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-07 01:34:38,527 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 566) no Hoare annotation was computed. [2019-11-07 01:34:38,527 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-07 01:34:38,527 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-11-07 01:34:38,527 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-11-07 01:34:38,527 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-07 01:34:38,527 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-07 01:34:38,528 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-07 01:34:38,528 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-07 01:34:38,528 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-07 01:34:38,528 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-07 01:34:38,528 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-07 01:34:38,528 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-07 01:34:38,529 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-07 01:34:38,529 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-07 01:34:38,529 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-07 01:34:38,529 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-07 01:34:38,529 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-07 01:34:38,529 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-07 01:34:38,529 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-07 01:34:38,530 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-07 01:34:38,530 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-07 01:34:38,530 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (and (or (= 6 |old(~a16~0)|) (not (= ~a16~0 6))) (or (not (= ~a7~0 1)) (= 1 |old(~a7~0)|)) (or (not (= 5 |old(~a16~0)|)) (= ~a16~0 5)) (or (= 14 |old(~a8~0)|) (not (= 14 ~a8~0)))) [2019-11-07 01:34:38,530 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-07 01:34:38,531 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-07 01:34:38,531 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-07 01:34:38,531 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-07 01:34:38,531 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-07 01:34:38,531 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-07 01:34:38,531 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-07 01:34:38,531 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-07 01:34:38,532 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-07 01:34:38,532 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-07 01:34:38,532 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-07 01:34:38,532 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-07 01:34:38,532 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-07 01:34:38,532 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-07 01:34:38,532 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-07 01:34:38,533 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-07 01:34:38,533 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-07 01:34:38,533 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-07 01:34:38,533 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-07 01:34:38,533 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-07 01:34:38,533 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-07 01:34:38,533 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:34:38,534 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= 14 ~a8~0)) (= ~a16~0 5)) [2019-11-07 01:34:38,534 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:34:38,534 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:34:38,534 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (not (= 14 ~a8~0)) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (= 14 |old(~a8~0)|)) [2019-11-07 01:34:38,534 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-11-07 01:34:38,535 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (not (= 5 |old(~a16~0)|)) (= 14 |old(~a8~0)|) (not (= ~a16~0 6)) (not (= 14 ~a8~0))) [2019-11-07 01:34:38,535 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-11-07 01:34:38,535 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-07 01:34:38,535 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (not (= 5 |old(~a16~0)|)) (= 14 |old(~a8~0)|) (not (= ~a16~0 6)) (not (= 14 ~a8~0))) [2019-11-07 01:34:38,535 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-11-07 01:34:38,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:34:38 BoogieIcfgContainer [2019-11-07 01:34:38,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:34:38,556 INFO L168 Benchmark]: Toolchain (without parser) took 6078.64 ms. Allocated memory was 137.9 MB in the beginning and 300.4 MB in the end (delta: 162.5 MB). Free memory was 101.1 MB in the beginning and 162.1 MB in the end (delta: -61.0 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:38,557 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-07 01:34:38,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.89 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.9 MB in the beginning and 169.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:38,559 INFO L168 Benchmark]: Boogie Preprocessor took 111.64 ms. Allocated memory is still 203.9 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:38,560 INFO L168 Benchmark]: RCFGBuilder took 1979.73 ms. Allocated memory was 203.9 MB in the beginning and 252.7 MB in the end (delta: 48.8 MB). Free memory was 164.8 MB in the beginning and 215.2 MB in the end (delta: -50.4 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:38,561 INFO L168 Benchmark]: TraceAbstraction took 3170.83 ms. Allocated memory was 252.7 MB in the beginning and 300.4 MB in the end (delta: 47.7 MB). Free memory was 215.2 MB in the beginning and 162.1 MB in the end (delta: 53.1 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:34:38,566 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 801.89 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.9 MB in the beginning and 169.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.64 ms. Allocated memory is still 203.9 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1979.73 ms. Allocated memory was 203.9 MB in the beginning and 252.7 MB in the end (delta: 48.8 MB). Free memory was 164.8 MB in the beginning and 215.2 MB in the end (delta: -50.4 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3170.83 ms. Allocated memory was 252.7 MB in the beginning and 300.4 MB in the end (delta: 47.7 MB). Free memory was 215.2 MB in the beginning and 162.1 MB in the end (delta: 53.1 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 566]: 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: ((((1 == \old(a7) || !(a7 == 1)) || !(5 == \old(a16))) || 14 == \old(a8)) || !(a16 == 6)) || !(14 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 86 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 74 SDtfs, 167 SDslu, 42 SDs, 0 SdLazy, 785 SolverSat, 293 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 20 PreInvPairs, 36 NumberOfFragments, 116 HoareAnnotationTreeSize, 20 FomulaSimplifications, 156 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 94 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 87583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 45/45 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...