java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-examples/standard_seq_init_true-unreach-call_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a-m [2018-01-30 00:00:04,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 00:00:04,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 00:00:04,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 00:00:04,158 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 00:00:04,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 00:00:04,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 00:00:04,162 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 00:00:04,163 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 00:00:04,164 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 00:00:04,164 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 00:00:04,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 00:00:04,165 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 00:00:04,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 00:00:04,167 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 00:00:04,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 00:00:04,169 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 00:00:04,176 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 00:00:04,177 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 00:00:04,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 00:00:04,178 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-30 00:00:04,182 INFO L98 SettingsManager]: Beginning loading settings from /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-30 00:00:04,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 00:00:04,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 00:00:04,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 00:00:04,191 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 00:00:04,191 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 00:00:04,191 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 00:00:04,191 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 00:00:04,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-30 00:00:04,192 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-30 00:00:04,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 00:00:04,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 00:00:04,193 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 00:00:04,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 00:00:04,194 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 00:00:04,194 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 00:00:04,194 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 00:00:04,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 00:00:04,219 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 00:00:04,221 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 00:00:04,222 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 00:00:04,222 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 00:00:04,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_seq_init_true-unreach-call_ground.i [2018-01-30 00:00:04,286 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 00:00:04,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-30 00:00:04,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 00:00:04,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 00:00:04,291 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 00:00:04,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4859861a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04, skipping insertion in model container [2018-01-30 00:00:04,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,303 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:00:04,311 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:00:04,379 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:00:04,388 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:00:04,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04 WrapperNode [2018-01-30 00:00:04,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 00:00:04,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 00:00:04,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 00:00:04,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 00:00:04,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (1/1) ... [2018-01-30 00:00:04,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 00:00:04,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 00:00:04,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 00:00:04,409 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 00:00:04,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (1/1) ... No working directory specified, using /home/daniel/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 [2018-01-30 00:00:04,455 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 00:00:04,455 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 00:00:04,456 INFO L136 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-01-30 00:00:04,456 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 00:00:04,456 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-30 00:00:04,456 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-01-30 00:00:04,456 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 00:00:04,456 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 00:00:04,456 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 00:00:04,693 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 00:00:04,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:00:04 BoogieIcfgContainer [2018-01-30 00:00:04,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 00:00:04,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 00:00:04,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 00:00:04,696 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 00:00:04,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 12:00:04" (1/3) ... [2018-01-30 00:00:04,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fe6011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:00:04, skipping insertion in model container [2018-01-30 00:00:04,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:00:04" (2/3) ... [2018-01-30 00:00:04,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fe6011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:00:04, skipping insertion in model container [2018-01-30 00:00:04,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:00:04" (3/3) ... [2018-01-30 00:00:04,698 INFO L107 eAbstractionObserver]: Analyzing ICFG standard_seq_init_true-unreach-call_ground.i [2018-01-30 00:00:04,703 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 00:00:04,709 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-01-30 00:00:04,733 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 00:00:04,733 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 00:00:04,734 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 00:00:04,734 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 00:00:04,734 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 00:00:04,734 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 00:00:04,734 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 00:00:04,734 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 00:00:04,734 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 00:00:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-01-30 00:00:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-30 00:00:04,746 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:04,747 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:04,747 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:04,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1116325023, now seen corresponding path program 1 times [2018-01-30 00:00:04,751 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:04,751 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:04,779 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:04,779 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:00:04,779 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:04,801 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:04,818 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:00:04,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-30 00:00:04,819 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-30 00:00:04,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-30 00:00:04,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-30 00:00:04,827 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-01-30 00:00:04,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:04,840 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-01-30 00:00:04,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-30 00:00:04,841 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-30 00:00:04,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:04,846 INFO L225 Difference]: With dead ends: 50 [2018-01-30 00:00:04,846 INFO L226 Difference]: Without dead ends: 26 [2018-01-30 00:00:04,848 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-30 00:00:04,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-01-30 00:00:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-01-30 00:00:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-01-30 00:00:04,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-01-30 00:00:04,873 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 17 [2018-01-30 00:00:04,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:04,873 INFO L432 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-01-30 00:00:04,873 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-30 00:00:04,874 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-01-30 00:00:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-30 00:00:04,874 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:04,874 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:04,874 INFO L371 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:04,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2128960426, now seen corresponding path program 1 times [2018-01-30 00:00:04,874 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:04,874 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:04,875 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:04,875 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:00:04,875 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:04,881 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:04,935 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:00:04,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-30 00:00:04,936 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-30 00:00:04,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-30 00:00:04,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-30 00:00:04,937 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 3 states. [2018-01-30 00:00:05,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:05,022 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2018-01-30 00:00:05,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-30 00:00:05,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-01-30 00:00:05,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:05,023 INFO L225 Difference]: With dead ends: 44 [2018-01-30 00:00:05,023 INFO L226 Difference]: Without dead ends: 30 [2018-01-30 00:00:05,023 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-30 00:00:05,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-30 00:00:05,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2018-01-30 00:00:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-01-30 00:00:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2018-01-30 00:00:05,035 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 18 [2018-01-30 00:00:05,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:05,035 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2018-01-30 00:00:05,036 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-30 00:00:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-01-30 00:00:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-30 00:00:05,036 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:05,036 INFO L350 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:05,036 INFO L371 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:05,036 INFO L82 PathProgramCache]: Analyzing trace with hash -643269999, now seen corresponding path program 1 times [2018-01-30 00:00:05,037 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:05,037 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:05,037 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:05,037 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:00:05,037 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:05,048 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:05,097 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:00:05,097 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:00:05,113 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:00:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:05,184 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:00:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:05,212 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:00:05,213 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-01-30 00:00:05,213 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-30 00:00:05,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-30 00:00:05,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:00:05,213 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 4 states. [2018-01-30 00:00:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:05,277 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-01-30 00:00:05,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-30 00:00:05,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-30 00:00:05,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:05,278 INFO L225 Difference]: With dead ends: 48 [2018-01-30 00:00:05,278 INFO L226 Difference]: Without dead ends: 34 [2018-01-30 00:00:05,278 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:00:05,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-01-30 00:00:05,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-01-30 00:00:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-30 00:00:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-01-30 00:00:05,281 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 22 [2018-01-30 00:00:05,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:05,281 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-01-30 00:00:05,281 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-30 00:00:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-01-30 00:00:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-30 00:00:05,282 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:05,282 INFO L350 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:05,282 INFO L371 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:05,282 INFO L82 PathProgramCache]: Analyzing trace with hash -832320008, now seen corresponding path program 2 times [2018-01-30 00:00:05,282 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:05,282 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:05,283 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:05,283 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:00:05,283 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:05,290 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:05,359 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:00:05,360 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:00:05,383 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:00:05,393 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:00:05,395 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:00:05,402 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:00:05,403 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:00:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:05,422 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:00:05,423 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-01-30 00:00:05,423 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 00:00:05,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 00:00:05,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:00:05,423 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 5 states. [2018-01-30 00:00:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:05,518 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2018-01-30 00:00:05,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-30 00:00:05,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-30 00:00:05,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:05,519 INFO L225 Difference]: With dead ends: 52 [2018-01-30 00:00:05,519 INFO L226 Difference]: Without dead ends: 38 [2018-01-30 00:00:05,520 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:00:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-01-30 00:00:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2018-01-30 00:00:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-30 00:00:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-01-30 00:00:05,522 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 26 [2018-01-30 00:00:05,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:05,523 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-01-30 00:00:05,523 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 00:00:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-01-30 00:00:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-30 00:00:05,523 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:05,523 INFO L350 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:05,523 INFO L371 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:05,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2065099297, now seen corresponding path program 3 times [2018-01-30 00:00:05,523 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:05,524 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:05,524 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:05,524 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:00:05,524 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:05,530 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:05,680 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:05,680 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:00:05,680 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:00:05,692 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-30 00:00:05,700 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:05,708 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:05,715 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:05,716 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:05,717 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:00:05,718 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:00:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:05,738 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:00:05,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-01-30 00:00:05,739 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:00:05,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:00:05,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:00:05,739 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 6 states. [2018-01-30 00:00:05,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:05,797 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-01-30 00:00:05,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-30 00:00:05,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-30 00:00:05,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:05,798 INFO L225 Difference]: With dead ends: 56 [2018-01-30 00:00:05,798 INFO L226 Difference]: Without dead ends: 42 [2018-01-30 00:00:05,798 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:00:05,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-01-30 00:00:05,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-01-30 00:00:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-01-30 00:00:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2018-01-30 00:00:05,801 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 30 [2018-01-30 00:00:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:05,801 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2018-01-30 00:00:05,801 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:00:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-01-30 00:00:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-30 00:00:05,802 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:05,802 INFO L350 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:05,802 INFO L371 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:05,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1714033222, now seen corresponding path program 4 times [2018-01-30 00:00:05,802 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:05,802 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:05,803 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:05,803 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:00:05,803 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:05,811 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:05,903 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:00:05,903 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-01-30 00:00:05,908 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:00:05,918 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:00:05,920 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:00:05,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-30 00:00:05,940 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:05,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:00:05,943 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-30 00:00:06,019 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:00:06,020 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,021 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 44 [2018-01-30 00:00:06,023 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:06,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:00:06,031 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:22 [2018-01-30 00:00:06,100 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,101 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,104 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,105 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,106 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,107 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 68 [2018-01-30 00:00:06,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:06,179 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:00:06,180 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2018-01-30 00:00:06,344 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,363 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,381 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,400 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,418 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,437 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,456 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,474 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,494 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,495 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,495 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,496 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,523 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,535 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,540 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,541 INFO L303 Elim1Store]: Index analysis took 235 ms [2018-01-30 00:00:06,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 133 [2018-01-30 00:00:06,550 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:06,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:00:06,622 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:45 [2018-01-30 00:00:06,759 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,760 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,761 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,762 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,765 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,766 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,767 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,768 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,768 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,769 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,770 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,771 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,771 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,772 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,773 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,773 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,774 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,775 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,776 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,776 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,778 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,778 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,779 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,780 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,785 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,787 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,791 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,796 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:06,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 222 [2018-01-30 00:00:06,806 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:06,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:00:06,886 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:62, output treesize:61 [2018-01-30 00:00:07,067 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:07,084 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:00:07,084 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14] total 19 [2018-01-30 00:00:07,084 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-01-30 00:00:07,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-01-30 00:00:07,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2018-01-30 00:00:07,085 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 19 states. [2018-01-30 00:00:07,463 WARN L143 SmtUtils]: Spent 101ms on a formula simplification that was a NOOP. DAG size: 26 [2018-01-30 00:00:08,928 WARN L143 SmtUtils]: Spent 347ms on a formula simplification that was a NOOP. DAG size: 41 [2018-01-30 00:00:09,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:09,074 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2018-01-30 00:00:09,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-30 00:00:09,075 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 34 [2018-01-30 00:00:09,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:09,075 INFO L225 Difference]: With dead ends: 69 [2018-01-30 00:00:09,077 INFO L226 Difference]: Without dead ends: 55 [2018-01-30 00:00:09,077 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2018-01-30 00:00:09,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-01-30 00:00:09,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2018-01-30 00:00:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-01-30 00:00:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2018-01-30 00:00:09,083 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 34 [2018-01-30 00:00:09,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:09,083 INFO L432 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2018-01-30 00:00:09,083 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-01-30 00:00:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-01-30 00:00:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-01-30 00:00:09,084 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:09,084 INFO L350 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:09,084 INFO L371 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:09,084 INFO L82 PathProgramCache]: Analyzing trace with hash 320242894, now seen corresponding path program 1 times [2018-01-30 00:00:09,084 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:09,084 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:09,085 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:09,085 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:00:09,085 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:09,093 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-30 00:00:09,153 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:00:09,153 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:00:09,166 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:00:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:09,191 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:00:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-30 00:00:09,212 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:00:09,213 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-01-30 00:00:09,213 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-30 00:00:09,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-30 00:00:09,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-01-30 00:00:09,213 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 8 states. [2018-01-30 00:00:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:09,353 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2018-01-30 00:00:09,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-30 00:00:09,356 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2018-01-30 00:00:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:09,358 INFO L225 Difference]: With dead ends: 78 [2018-01-30 00:00:09,358 INFO L226 Difference]: Without dead ends: 57 [2018-01-30 00:00:09,358 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-01-30 00:00:09,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-01-30 00:00:09,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2018-01-30 00:00:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-01-30 00:00:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2018-01-30 00:00:09,367 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 48 [2018-01-30 00:00:09,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:09,367 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2018-01-30 00:00:09,367 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-30 00:00:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-01-30 00:00:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-01-30 00:00:09,368 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:09,368 INFO L350 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:09,368 INFO L371 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:09,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1675766411, now seen corresponding path program 2 times [2018-01-30 00:00:09,368 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:09,368 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:09,369 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:09,369 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:00:09,369 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:09,379 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-30 00:00:09,441 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:00:09,441 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:00:09,446 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:00:09,450 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:00:09,459 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:00:09,460 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:00:09,461 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:00:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-30 00:00:09,482 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:00:09,482 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-01-30 00:00:09,482 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-30 00:00:09,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-30 00:00:09,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-01-30 00:00:09,483 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 9 states. [2018-01-30 00:00:09,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:09,523 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-01-30 00:00:09,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-30 00:00:09,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-01-30 00:00:09,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:09,524 INFO L225 Difference]: With dead ends: 82 [2018-01-30 00:00:09,524 INFO L226 Difference]: Without dead ends: 61 [2018-01-30 00:00:09,524 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-01-30 00:00:09,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-01-30 00:00:09,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2018-01-30 00:00:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-01-30 00:00:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-01-30 00:00:09,528 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 52 [2018-01-30 00:00:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:09,528 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-01-30 00:00:09,529 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-30 00:00:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-01-30 00:00:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-01-30 00:00:09,529 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:09,529 INFO L350 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:09,529 INFO L371 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:09,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1171359076, now seen corresponding path program 3 times [2018-01-30 00:00:09,530 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:09,530 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:09,530 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:09,530 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:00:09,530 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:09,537 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 2 proven. 98 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-30 00:00:09,697 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:00:09,697 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:00:09,702 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-30 00:00:09,705 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:09,707 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:09,708 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:09,709 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:09,710 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:09,711 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:09,713 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:09,715 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:00:09,715 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:00:09,716 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:00:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-30 00:00:09,737 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:00:09,737 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-01-30 00:00:09,738 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-30 00:00:09,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-30 00:00:09,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-01-30 00:00:09,738 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 10 states. [2018-01-30 00:00:09,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:00:09,801 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2018-01-30 00:00:09,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-30 00:00:09,801 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-01-30 00:00:09,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:00:09,801 INFO L225 Difference]: With dead ends: 86 [2018-01-30 00:00:09,802 INFO L226 Difference]: Without dead ends: 65 [2018-01-30 00:00:09,802 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-01-30 00:00:09,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-01-30 00:00:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-01-30 00:00:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-01-30 00:00:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2018-01-30 00:00:09,807 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 56 [2018-01-30 00:00:09,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:00:09,807 INFO L432 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2018-01-30 00:00:09,807 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-30 00:00:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2018-01-30 00:00:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-01-30 00:00:09,807 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:00:09,807 INFO L350 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:00:09,807 INFO L371 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 00:00:09,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1737110595, now seen corresponding path program 4 times [2018-01-30 00:00:09,808 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:00:09,808 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:00:09,808 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:09,808 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:00:09,808 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:00:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:00:09,817 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:00:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 2 proven. 128 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-30 00:00:09,880 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:00:09,880 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:00:09,887 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-30 00:00:09,895 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:00:09,897 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:00:09,906 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,907 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 32 [2018-01-30 00:00:09,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:09,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:00:09,911 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-01-30 00:00:09,924 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:00:09,925 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,925 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,926 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,928 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,928 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 80 [2018-01-30 00:00:09,929 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:09,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:00:09,942 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:28 [2018-01-30 00:00:09,962 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,963 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,964 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,964 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,965 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,965 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,968 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,969 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,969 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,971 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:09,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 98 [2018-01-30 00:00:09,975 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:09,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:00:09,990 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:33 [2018-01-30 00:00:10,038 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,038 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,040 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,040 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,041 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,041 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,042 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,043 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,043 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,044 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,044 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,046 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,047 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,047 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,048 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,048 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,052 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,053 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,058 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,059 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,060 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 24 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 173 [2018-01-30 00:00:10,091 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:10,300 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:00:10,300 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:49 [2018-01-30 00:00:10,409 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,426 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,469 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,489 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,509 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,529 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,546 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,582 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,592 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,593 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,593 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,594 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,595 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,596 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,596 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,597 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,623 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,623 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,624 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,625 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,626 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,627 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,627 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,628 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,629 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,630 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,631 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,631 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,632 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,633 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,638 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,640 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,653 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,661 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,662 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,663 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,665 INFO L303 Elim1Store]: Index analysis took 287 ms [2018-01-30 00:00:10,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 272 [2018-01-30 00:00:10,672 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:10,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:00:10,752 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:66, output treesize:65 [2018-01-30 00:00:10,911 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,912 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,913 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,914 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,916 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,917 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,918 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,919 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,920 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,922 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,922 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,923 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,924 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,925 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,926 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,926 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,927 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,928 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,929 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,930 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,930 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,931 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,934 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,935 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,935 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,936 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,937 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,938 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,940 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,940 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,941 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,942 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,943 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,944 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,945 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,946 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,948 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,949 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,950 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,951 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,951 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,952 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,953 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,954 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,955 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,956 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,957 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,958 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,969 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,972 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:10,980 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:11,006 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:11,009 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:11,011 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:11,014 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:11,019 INFO L303 Elim1Store]: Index analysis took 121 ms [2018-01-30 00:00:11,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 58 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 395 [2018-01-30 00:00:11,025 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:11,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:00:11,137 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:82, output treesize:81 [2018-01-30 00:00:16,621 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,622 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,623 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,625 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,626 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,627 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,628 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,629 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,630 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,631 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,632 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,633 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,634 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,635 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,636 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,637 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,638 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,639 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,640 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,642 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,643 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,644 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,645 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,647 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,648 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,649 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,650 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,651 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,652 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,653 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,655 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,656 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,657 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,658 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,660 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,662 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,663 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,664 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,665 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,666 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,666 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,667 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,669 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,670 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,671 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,672 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,673 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,674 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,675 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,676 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,678 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,679 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,680 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,681 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,682 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,683 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,686 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,687 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,688 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,689 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,690 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,691 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,692 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,693 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,694 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,695 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,695 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,696 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,697 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,698 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,714 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,717 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,735 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,757 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,794 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,797 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,800 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,803 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:16,809 INFO L303 Elim1Store]: Index analysis took 211 ms [2018-01-30 00:00:16,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 81 disjoint index pairs (out of 66 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 542 [2018-01-30 00:00:16,814 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:17,012 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-01-30 00:00:17,012 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:98, output treesize:97 [2018-01-30 00:00:30,736 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,756 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,775 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,776 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,777 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,778 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,779 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,779 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,780 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,782 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,783 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,784 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,784 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,785 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,786 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,787 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,788 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,789 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,790 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,791 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,791 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,792 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,793 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,794 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,794 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,795 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,796 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,796 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,797 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,798 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,799 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,799 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,800 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,802 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,802 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,803 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,804 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,805 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,805 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,806 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,807 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,808 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,808 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,809 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,810 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,811 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,812 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,815 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,817 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,818 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,818 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,819 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,820 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,821 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,821 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,822 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,823 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,823 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,824 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,824 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,825 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,826 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,826 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,827 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,828 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,828 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,829 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,834 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,835 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,835 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,836 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,837 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,838 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,839 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,863 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,872 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,873 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,874 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,874 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,875 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,876 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,877 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,877 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,878 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,880 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,880 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,881 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,882 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,883 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,883 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,884 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,885 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,886 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,886 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,887 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,888 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,900 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,907 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,912 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,925 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,940 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,941 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,942 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,947 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,960 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:00:30,966 INFO L303 Elim1Store]: Index analysis took 271 ms [2018-01-30 00:00:30,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 108 disjoint index pairs (out of 91 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 713 [2018-01-30 00:00:30,973 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:00:31,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-01-30 00:00:31,289 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:114, output treesize:113 [2018-01-30 00:00:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 56 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:00:48,641 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:00:48,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 25] total 34 [2018-01-30 00:00:48,642 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-01-30 00:00:48,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-01-30 00:00:48,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=928, Unknown=13, NotChecked=0, Total=1122 [2018-01-30 00:00:48,642 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 34 states. Received shutdown request... [2018-01-30 00:01:30,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-30 00:01:30,061 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-30 00:01:30,063 WARN L185 ceAbstractionStarter]: Timeout [2018-01-30 00:01:30,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:01:30 BoogieIcfgContainer [2018-01-30 00:01:30,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 00:01:30,064 INFO L168 Benchmark]: Toolchain (without parser) took 85777.50 ms. Allocated memory was 151.0 MB in the beginning and 275.3 MB in the end (delta: 124.3 MB). Free memory was 116.0 MB in the beginning and 178.0 MB in the end (delta: -61.9 MB). Peak memory consumption was 62.3 MB. Max. memory is 5.3 GB. [2018-01-30 00:01:30,065 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 151.0 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:01:30,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 103.23 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 107.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-30 00:01:30,065 INFO L168 Benchmark]: Boogie Preprocessor took 17.48 ms. Allocated memory is still 151.0 MB. Free memory was 107.9 MB in the beginning and 106.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 5.3 GB. [2018-01-30 00:01:30,065 INFO L168 Benchmark]: RCFGBuilder took 285.36 ms. Allocated memory is still 151.0 MB. Free memory was 106.3 MB in the beginning and 95.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 5.3 GB. [2018-01-30 00:01:30,065 INFO L168 Benchmark]: TraceAbstraction took 85369.28 ms. Allocated memory was 151.0 MB in the beginning and 275.3 MB in the end (delta: 124.3 MB). Free memory was 95.1 MB in the beginning and 178.0 MB in the end (delta: -82.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 5.3 GB. [2018-01-30 00:01:30,066 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 151.0 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 103.23 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 107.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 17.48 ms. Allocated memory is still 151.0 MB. Free memory was 107.9 MB in the beginning and 106.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 5.3 GB. * RCFGBuilder took 285.36 ms. Allocated memory is still 151.0 MB. Free memory was 106.3 MB in the beginning and 95.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 85369.28 ms. Allocated memory was 151.0 MB in the beginning and 275.3 MB in the end (delta: 124.3 MB). Free memory was 95.1 MB in the beginning and 178.0 MB in the end (delta: -82.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 2]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 2). Cancelled while BasicCegarLoop was constructing difference of abstraction (63states) and interpolant automaton (currently 14 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 42 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. TIMEOUT Result, 85.3s OverallTime, 10 OverallIterations, 9 TraceHistogramMax, 43.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 246 SDtfs, 126 SDslu, 956 SDs, 0 SdLazy, 679 SolverSat, 50 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 32.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 406 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 48.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 18 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 40.7s InterpolantComputationTime, 691 NumberOfCodeBlocks, 674 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 673 ConstructedInterpolants, 48 QuantifiedInterpolants, 272988 SizeOfPredicates, 15 NumberOfNonLiveVariables, 475 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 101/856 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/standard_seq_init_true-unreach-call_ground.i_svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-30_00-01-30-069.csv Written .csv to /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/standard_seq_init_true-unreach-call_ground.i_svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_00-01-30-069.csv Completed graceful shutdown