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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:40:32,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:40:32,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:40:32,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:40:32,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:40:32,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:40:32,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:40:32,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:40:32,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:40:32,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:40:32,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:40:32,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:40:32,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:40:32,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:40:32,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:40:32,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:40:32,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:40:32,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:40:32,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:40:32,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:40:32,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:40:32,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:40:32,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:40:32,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:40:32,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 21:40:32,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:40:32,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:40:32,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:40:32,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:40:32,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:40:32,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:40:32,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:40:32,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:40:32,824 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:40:32,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:40:32,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:40:32,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:40:32,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:40:32,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:40:32,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:40:32,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:40:32,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:40:32,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:40:32,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:40:32,826 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:40:32,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:40:32,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:40:32,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:40:32,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:40:32,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:40:32,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:40:32,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:40:32,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:40:32,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:40:32,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:40:32,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:40:32,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:40:32,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 21:40:33,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:40:33,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:40:33,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:40:33,157 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:40:33,157 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:40:33,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2019-10-13 21:40:33,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb90f0f3/b5aac99713b346ae9fd1d265f9fb42f6/FLAGa4a327888 [2019-10-13 21:40:33,814 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:40:33,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2019-10-13 21:40:33,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb90f0f3/b5aac99713b346ae9fd1d265f9fb42f6/FLAGa4a327888 [2019-10-13 21:40:34,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb90f0f3/b5aac99713b346ae9fd1d265f9fb42f6 [2019-10-13 21:40:34,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:40:34,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:40:34,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:40:34,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:40:34,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:40:34,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ed5976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34, skipping insertion in model container [2019-10-13 21:40:34,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,086 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:40:34,146 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:40:34,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:40:34,567 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:40:34,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:40:34,847 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:40:34,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34 WrapperNode [2019-10-13 21:40:34,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:40:34,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:40:34,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:40:34,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:40:34,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (1/1) ... [2019-10-13 21:40:34,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:40:34,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:40:34,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:40:34,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:40:34,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:40:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:40:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:40:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 21:40:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:40:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 21:40:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:40:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:40:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:40:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:40:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:40:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:40:37,069 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:40:37,069 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 21:40:37,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:37 BoogieIcfgContainer [2019-10-13 21:40:37,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:40:37,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:40:37,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:40:37,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:40:37,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:40:34" (1/3) ... [2019-10-13 21:40:37,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b9d421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:37, skipping insertion in model container [2019-10-13 21:40:37,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:34" (2/3) ... [2019-10-13 21:40:37,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b9d421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:37, skipping insertion in model container [2019-10-13 21:40:37,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:37" (3/3) ... [2019-10-13 21:40:37,096 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label39.c [2019-10-13 21:40:37,115 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:40:37,127 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:40:37,138 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:40:37,165 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:40:37,166 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:40:37,166 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:40:37,166 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:40:37,166 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:40:37,166 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:40:37,167 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:40:37,167 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:40:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-10-13 21:40:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 21:40:37,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:37,195 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:40:37,197 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:37,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:37,202 INFO L82 PathProgramCache]: Analyzing trace with hash 826829479, now seen corresponding path program 1 times [2019-10-13 21:40:37,209 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:37,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091918149] [2019-10-13 21:40:37,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:37,210 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:37,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:40:37,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091918149] [2019-10-13 21:40:37,703 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:37,703 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:40:37,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446605812] [2019-10-13 21:40:37,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:40:37,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:37,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:40:37,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:40:37,736 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-10-13 21:40:38,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:38,269 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-10-13 21:40:38,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:40:38,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-13 21:40:38,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:38,292 INFO L225 Difference]: With dead ends: 246 [2019-10-13 21:40:38,292 INFO L226 Difference]: Without dead ends: 157 [2019-10-13 21:40:38,297 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:40:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-13 21:40:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-13 21:40:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-13 21:40:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 273 transitions. [2019-10-13 21:40:38,365 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 273 transitions. Word has length 77 [2019-10-13 21:40:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:38,366 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 273 transitions. [2019-10-13 21:40:38,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:40:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2019-10-13 21:40:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:40:38,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:38,372 INFO L380 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] [2019-10-13 21:40:38,372 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:38,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:38,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1195657154, now seen corresponding path program 1 times [2019-10-13 21:40:38,373 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:38,373 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927989475] [2019-10-13 21:40:38,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:38,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:38,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:40:38,537 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927989475] [2019-10-13 21:40:38,538 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:38,538 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:40:38,538 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081507330] [2019-10-13 21:40:38,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:40:38,540 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:38,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:40:38,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:40:38,540 INFO L87 Difference]: Start difference. First operand 157 states and 273 transitions. Second operand 6 states. [2019-10-13 21:40:39,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:39,142 INFO L93 Difference]: Finished difference Result 479 states and 861 transitions. [2019-10-13 21:40:39,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:40:39,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-13 21:40:39,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:39,150 INFO L225 Difference]: With dead ends: 479 [2019-10-13 21:40:39,151 INFO L226 Difference]: Without dead ends: 327 [2019-10-13 21:40:39,153 INFO L600 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 [2019-10-13 21:40:39,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-13 21:40:39,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 315. [2019-10-13 21:40:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-10-13 21:40:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 544 transitions. [2019-10-13 21:40:39,202 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 544 transitions. Word has length 87 [2019-10-13 21:40:39,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:39,202 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 544 transitions. [2019-10-13 21:40:39,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:40:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 544 transitions. [2019-10-13 21:40:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:40:39,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:39,210 INFO L380 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] [2019-10-13 21:40:39,210 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:39,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:39,210 INFO L82 PathProgramCache]: Analyzing trace with hash -2128678758, now seen corresponding path program 1 times [2019-10-13 21:40:39,211 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:39,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393585629] [2019-10-13 21:40:39,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:39,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:39,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:40:39,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393585629] [2019-10-13 21:40:39,304 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:39,304 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:40:39,305 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464008931] [2019-10-13 21:40:39,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:40:39,305 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:39,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:40:39,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:40:39,306 INFO L87 Difference]: Start difference. First operand 315 states and 544 transitions. Second operand 3 states. [2019-10-13 21:40:39,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:39,729 INFO L93 Difference]: Finished difference Result 852 states and 1516 transitions. [2019-10-13 21:40:39,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:40:39,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-13 21:40:39,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:39,741 INFO L225 Difference]: With dead ends: 852 [2019-10-13 21:40:39,742 INFO L226 Difference]: Without dead ends: 542 [2019-10-13 21:40:39,743 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:40:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2019-10-13 21:40:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2019-10-13 21:40:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-13 21:40:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 850 transitions. [2019-10-13 21:40:39,800 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 850 transitions. Word has length 88 [2019-10-13 21:40:39,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:39,801 INFO L462 AbstractCegarLoop]: Abstraction has 542 states and 850 transitions. [2019-10-13 21:40:39,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:40:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 850 transitions. [2019-10-13 21:40:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:40:39,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:39,805 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:40:39,805 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:39,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:39,806 INFO L82 PathProgramCache]: Analyzing trace with hash -847283910, now seen corresponding path program 1 times [2019-10-13 21:40:39,806 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:39,806 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521579290] [2019-10-13 21:40:39,806 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:39,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:39,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:40:39,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521579290] [2019-10-13 21:40:39,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:39,898 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:40:39,899 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807906333] [2019-10-13 21:40:39,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:40:39,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:39,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:40:39,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:40:39,900 INFO L87 Difference]: Start difference. First operand 542 states and 850 transitions. Second operand 4 states. [2019-10-13 21:40:40,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:40,593 INFO L93 Difference]: Finished difference Result 1302 states and 2046 transitions. [2019-10-13 21:40:40,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:40:40,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-10-13 21:40:40,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:40,595 INFO L225 Difference]: With dead ends: 1302 [2019-10-13 21:40:40,596 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:40:40,599 INFO L600 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 [2019-10-13 21:40:40,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:40:40,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:40:40,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:40:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:40:40,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 21:40:40,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:40,601 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:40:40,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:40:40,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:40:40,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:40:40,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:40:40,836 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-10-13 21:40:40,900 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~a16~0 |old(~a16~0)|) [2019-10-13 21:40:40,900 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:40:40,901 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-13 21:40:40,901 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-13 21:40:40,901 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-13 21:40:40,901 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-13 21:40:40,901 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-13 21:40:40,901 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-13 21:40:40,901 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 21:40:40,902 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-13 21:40:40,902 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-13 21:40:40,902 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-13 21:40:40,902 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-13 21:40:40,902 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-13 21:40:40,903 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-13 21:40:40,903 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-13 21:40:40,903 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2019-10-13 21:40:40,903 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-13 21:40:40,903 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-13 21:40:40,904 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-13 21:40:40,904 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-13 21:40:40,904 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-13 21:40:40,904 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-13 21:40:40,904 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-13 21:40:40,905 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-13 21:40:40,905 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-13 21:40:40,905 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-13 21:40:40,905 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-13 21:40:40,905 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-13 21:40:40,906 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-13 21:40:40,906 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-13 21:40:40,906 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-13 21:40:40,906 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-13 21:40:40,906 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-13 21:40:40,907 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-13 21:40:40,907 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-13 21:40:40,907 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-13 21:40:40,907 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-13 21:40:40,907 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-13 21:40:40,907 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-13 21:40:40,907 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-13 21:40:40,908 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-13 21:40:40,908 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-13 21:40:40,908 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-13 21:40:40,908 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-13 21:40:40,908 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-13 21:40:40,908 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-13 21:40:40,908 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-13 21:40:40,908 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-13 21:40:40,909 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-13 21:40:40,909 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-13 21:40:40,909 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-13 21:40:40,909 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-13 21:40:40,909 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-13 21:40:40,910 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= 13 |old(~a8~0)|)) (.cse1 (= ~a16~0 |old(~a16~0)|))) (and (or (not (= ~a8~0 13)) .cse0) (or .cse1 .cse0) (or (not (= 1 |old(~a7~0)|)) (and (= 1 ~a7~0) .cse1)) (or (= 5 |old(~a16~0)|) .cse1))) [2019-10-13 21:40:40,910 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-13 21:40:40,912 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-13 21:40:40,913 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-13 21:40:40,913 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-13 21:40:40,913 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-13 21:40:40,913 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-13 21:40:40,913 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-13 21:40:40,913 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-13 21:40:40,914 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-13 21:40:40,914 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-13 21:40:40,914 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-13 21:40:40,914 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-13 21:40:40,919 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-13 21:40:40,919 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-13 21:40:40,920 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-13 21:40:40,920 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-13 21:40:40,920 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-13 21:40:40,920 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-13 21:40:40,920 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-13 21:40:40,920 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-13 21:40:40,920 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:40:40,921 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (not (= ~a8~0 13))) [2019-10-13 21:40:40,926 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:40:40,927 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:40:40,927 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (and (= ~a16~0 |old(~a16~0)|) (not (= ~a8~0 13))) (= 13 |old(~a8~0)|)) [2019-10-13 21:40:40,927 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-13 21:40:40,927 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= ~a8~0 13)) (= 13 |old(~a8~0)|) (not (= ~a16~0 5)) (= 1 ~a7~0)) [2019-10-13 21:40:40,927 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-13 21:40:40,927 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 21:40:40,928 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= ~a8~0 13)) (= 13 |old(~a8~0)|) (not (= ~a16~0 5)) (= 1 ~a7~0)) [2019-10-13 21:40:40,928 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-13 21:40:40,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:40:40 BoogieIcfgContainer [2019-10-13 21:40:40,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:40:40,963 INFO L168 Benchmark]: Toolchain (without parser) took 6893.30 ms. Allocated memory was 138.4 MB in the beginning and 300.9 MB in the end (delta: 162.5 MB). Free memory was 102.0 MB in the beginning and 224.8 MB in the end (delta: -122.8 MB). Peak memory consumption was 174.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:40,964 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:40:40,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.72 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 170.9 MB in the end (delta: -69.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:40,967 INFO L168 Benchmark]: Boogie Preprocessor took 134.44 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 165.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:40,969 INFO L168 Benchmark]: RCFGBuilder took 2087.79 ms. Allocated memory was 203.9 MB in the beginning and 253.2 MB in the end (delta: 49.3 MB). Free memory was 165.2 MB in the beginning and 210.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 118.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:40,972 INFO L168 Benchmark]: TraceAbstraction took 3888.86 ms. Allocated memory was 253.2 MB in the beginning and 300.9 MB in the end (delta: 47.7 MB). Free memory was 210.2 MB in the beginning and 224.8 MB in the end (delta: -14.6 MB). Peak memory consumption was 168.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:40,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 777.72 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 170.9 MB in the end (delta: -69.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.44 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 165.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2087.79 ms. Allocated memory was 203.9 MB in the beginning and 253.2 MB in the end (delta: 49.3 MB). Free memory was 165.2 MB in the beginning and 210.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 118.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3888.86 ms. Allocated memory was 253.2 MB in the beginning and 300.9 MB in the end (delta: 47.7 MB). Free memory was 210.2 MB in the beginning and 224.8 MB in the end (delta: -14.6 MB). Peak memory consumption was 168.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 572]: 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: (((6 == \old(a16) || !(a8 == 13)) || 13 == \old(a8)) || !(a16 == 5)) || 1 == a7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 86 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 336 SDtfs, 405 SDslu, 95 SDs, 0 SdLazy, 1205 SolverSat, 351 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=542occurred 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 30 PreInvPairs, 50 NumberOfFragments, 99 HoareAnnotationTreeSize, 30 FomulaSimplifications, 296 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 224 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 80505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 24/24 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...