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/data_structures_set_multi_proc_trivial_true-unreach-call_ground_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e-m [2018-01-31 08:16:51,783 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 08:16:51,785 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 08:16:51,799 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 08:16:51,799 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 08:16:51,800 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 08:16:51,800 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 08:16:51,801 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 08:16:51,802 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 08:16:51,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 08:16:51,803 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 08:16:51,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 08:16:51,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 08:16:51,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 08:16:51,805 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 08:16:51,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 08:16:51,807 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 08:16:51,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 08:16:51,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 08:16:51,809 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 08:16:51,810 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 08:16:51,811 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 08:16:51,811 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 08:16:51,811 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 08:16:51,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 08:16:51,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 08:16:51,812 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 08:16:51,813 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 08:16:51,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 08:16:51,813 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 08:16:51,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 08:16:51,814 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 [2018-01-31 08:16:51,818 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 08:16:51,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 08:16:51,819 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 08:16:51,819 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 08:16:51,819 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 08:16:51,819 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 08:16:51,819 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 08:16:51,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 08:16:51,820 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-31 08:16:51,821 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-31 08:16:51,821 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 08:16:51,821 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 08:16:51,821 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 08:16:51,821 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 08:16:51,821 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 08:16:51,821 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 08:16:51,821 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 08:16:51,821 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 08:16:51,821 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 08:16:51,822 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 08:16:51,822 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 08:16:51,822 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 08:16:51,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 08:16:51,822 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 08:16:51,822 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 08:16:51,822 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 08:16:51,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 08:16:51,852 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 08:16:51,854 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 08:16:51,855 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 08:16:51,855 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 08:16:51,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_true-unreach-call_ground_true-termination.i [2018-01-31 08:16:51,926 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 08:16:51,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 08:16:51,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 08:16:51,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 08:16:51,934 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 08:16:51,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:16:51" (1/1) ... [2018-01-31 08:16:51,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67dda4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:51, skipping insertion in model container [2018-01-31 08:16:51,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:16:51" (1/1) ... [2018-01-31 08:16:51,948 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:16:51,960 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:16:52,033 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:16:52,046 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:16:52,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52 WrapperNode [2018-01-31 08:16:52,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 08:16:52,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 08:16:52,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 08:16:52,051 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 08:16:52,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (1/1) ... [2018-01-31 08:16:52,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (1/1) ... [2018-01-31 08:16:52,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (1/1) ... [2018-01-31 08:16:52,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (1/1) ... [2018-01-31 08:16:52,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (1/1) ... [2018-01-31 08:16:52,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (1/1) ... [2018-01-31 08:16:52,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (1/1) ... [2018-01-31 08:16:52,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 08:16:52,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 08:16:52,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 08:16:52,072 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 08:16:52,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (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 [2018-01-31 08:16:52,115 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 08:16:52,116 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 08:16:52,116 INFO L136 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-01-31 08:16:52,116 INFO L136 BoogieDeclarations]: Found implementation of procedure insert [2018-01-31 08:16:52,116 INFO L136 BoogieDeclarations]: Found implementation of procedure elem_exists [2018-01-31 08:16:52,116 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 08:16:52,116 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 08:16:52,116 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 08:16:52,116 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 08:16:52,116 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 08:16:52,116 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 08:16:52,116 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-31 08:16:52,116 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-01-31 08:16:52,117 INFO L128 BoogieDeclarations]: Found specification of procedure insert [2018-01-31 08:16:52,117 INFO L128 BoogieDeclarations]: Found specification of procedure elem_exists [2018-01-31 08:16:52,117 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 08:16:52,117 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 08:16:52,117 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 08:16:52,560 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 08:16:52,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:16:52 BoogieIcfgContainer [2018-01-31 08:16:52,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 08:16:52,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 08:16:52,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 08:16:52,563 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 08:16:52,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:16:51" (1/3) ... [2018-01-31 08:16:52,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765f19ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:16:52, skipping insertion in model container [2018-01-31 08:16:52,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:16:52" (2/3) ... [2018-01-31 08:16:52,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765f19ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:16:52, skipping insertion in model container [2018-01-31 08:16:52,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:16:52" (3/3) ... [2018-01-31 08:16:52,565 INFO L107 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_true-unreach-call_ground_true-termination.i [2018-01-31 08:16:52,571 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 08:16:52,575 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-01-31 08:16:52,601 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 08:16:52,601 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 08:16:52,601 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 08:16:52,601 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 08:16:52,601 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 08:16:52,601 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 08:16:52,601 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 08:16:52,601 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 08:16:52,602 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 08:16:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-31 08:16:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-31 08:16:52,616 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:16:52,616 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:16:52,616 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-31 08:16:52,619 INFO L82 PathProgramCache]: Analyzing trace with hash -2135693166, now seen corresponding path program 1 times [2018-01-31 08:16:52,620 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:16:52,620 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:16:52,648 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:16:52,648 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:16:52,648 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:16:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:16:52,703 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:16:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:16:52,856 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:16:52,857 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-31 08:16:52,858 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-31 08:16:52,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-31 08:16:52,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-01-31 08:16:52,866 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-31 08:16:53,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:16:53,009 INFO L93 Difference]: Finished difference Result 231 states and 279 transitions. [2018-01-31 08:16:53,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 08:16:53,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-01-31 08:16:53,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:16:53,016 INFO L225 Difference]: With dead ends: 231 [2018-01-31 08:16:53,016 INFO L226 Difference]: Without dead ends: 111 [2018-01-31 08:16:53,018 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-01-31 08:16:53,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-01-31 08:16:53,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2018-01-31 08:16:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-01-31 08:16:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2018-01-31 08:16:53,106 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 22 [2018-01-31 08:16:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:16:53,106 INFO L432 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2018-01-31 08:16:53,106 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-31 08:16:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2018-01-31 08:16:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-01-31 08:16:53,111 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:16:53,111 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:16:53,112 INFO L371 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-31 08:16:53,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1641059286, now seen corresponding path program 1 times [2018-01-31 08:16:53,112 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:16:53,112 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:16:53,113 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:16:53,113 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:16:53,113 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:16:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:16:53,126 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:16:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:16:53,181 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:16:53,182 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 08:16:53,183 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 08:16:53,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 08:16:53,183 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 08:16:53,183 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand 4 states. [2018-01-31 08:16:53,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:16:53,206 INFO L93 Difference]: Finished difference Result 192 states and 215 transitions. [2018-01-31 08:16:53,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 08:16:53,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-01-31 08:16:53,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:16:53,209 INFO L225 Difference]: With dead ends: 192 [2018-01-31 08:16:53,209 INFO L226 Difference]: Without dead ends: 113 [2018-01-31 08:16:53,210 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 08:16:53,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-01-31 08:16:53,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-01-31 08:16:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-01-31 08:16:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2018-01-31 08:16:53,218 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 55 [2018-01-31 08:16:53,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:16:53,218 INFO L432 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2018-01-31 08:16:53,218 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 08:16:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-01-31 08:16:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-31 08:16:53,219 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:16:53,219 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:16:53,219 INFO L371 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-31 08:16:53,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1167594859, now seen corresponding path program 1 times [2018-01-31 08:16:53,219 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:16:53,219 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:16:53,220 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:16:53,220 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:16:53,220 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:16:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:16:53,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:16:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:16:53,441 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:16:53,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-31 08:16:53,441 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-31 08:16:53,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-31 08:16:53,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-31 08:16:53,442 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand 7 states. [2018-01-31 08:16:53,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:16:53,555 INFO L93 Difference]: Finished difference Result 159 states and 175 transitions. [2018-01-31 08:16:53,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-31 08:16:53,555 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-01-31 08:16:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:16:53,556 INFO L225 Difference]: With dead ends: 159 [2018-01-31 08:16:53,556 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 08:16:53,556 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-01-31 08:16:53,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 08:16:53,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 08:16:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 08:16:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 08:16:53,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-01-31 08:16:53,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:16:53,557 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 08:16:53,557 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-31 08:16:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 08:16:53,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 08:16:53,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 08:16:53,732 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 7 DAG size of output 6 [2018-01-31 08:16:53,821 INFO L399 ceAbstractionStarter]: For program point L10'''(line 10) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L10''''(line 10) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L9''''(line 9) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point elem_existsFINAL(lines 7 13) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L10''(line 10) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L9'''''(line 9) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L9'(lines 9 11) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L7'(lines 7 13) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L7(lines 7 13) no Hoare annotation was computed. [2018-01-31 08:16:53,822 INFO L399 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L395 ceAbstractionStarter]: At program point L9''''''(lines 9 11) the Hoare annotation is: (let ((.cse0 (or (= elem_exists_~size |elem_exists_#in~size|) (= elem_exists_~size 0)))) (or (and .cse0 (not (= 0 |elem_exists_#in~size|))) (and (= elem_exists_~i~5 0) .cse0))) [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point L9'''''''(lines 9 11) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L402 ceAbstractionStarter]: At program point elem_existsENTRY(lines 7 13) the Hoare annotation is: true [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point L9'''(lines 9 11) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point elem_existsEXIT(lines 7 13) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point L10'(line 10) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 42) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 42) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 42) the Hoare annotation is: true [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 42) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point L3'(lines 3 6) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L402 ceAbstractionStarter]: At program point insertENTRY(lines 3 6) the Hoare annotation is: true [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point L3(lines 3 6) no Hoare annotation was computed. [2018-01-31 08:16:53,823 INFO L399 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-01-31 08:16:53,824 INFO L399 ceAbstractionStarter]: For program point insertFINAL(lines 3 6) no Hoare annotation was computed. [2018-01-31 08:16:53,824 INFO L399 ceAbstractionStarter]: For program point insertEXIT(lines 3 6) no Hoare annotation was computed. [2018-01-31 08:16:53,824 INFO L399 ceAbstractionStarter]: For program point L4'(line 4) no Hoare annotation was computed. [2018-01-31 08:16:53,824 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 42) the Hoare annotation is: true [2018-01-31 08:16:53,824 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 42) no Hoare annotation was computed. [2018-01-31 08:16:53,824 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 42) the Hoare annotation is: true [2018-01-31 08:16:53,824 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 42) no Hoare annotation was computed. [2018-01-31 08:16:53,824 INFO L399 ceAbstractionStarter]: For program point L37''''(line 37) no Hoare annotation was computed. [2018-01-31 08:16:53,824 INFO L395 ceAbstractionStarter]: At program point L36'''''(lines 36 40) the Hoare annotation is: (and (= main_~n~7 0) (= main_~x~7 0)) [2018-01-31 08:16:53,824 INFO L399 ceAbstractionStarter]: For program point L30''(lines 30 34) no Hoare annotation was computed. [2018-01-31 08:16:53,824 INFO L399 ceAbstractionStarter]: For program point L37'''(lines 37 39) no Hoare annotation was computed. [2018-01-31 08:16:53,831 INFO L399 ceAbstractionStarter]: For program point L19'(lines 19 23) no Hoare annotation was computed. [2018-01-31 08:16:53,831 INFO L399 ceAbstractionStarter]: For program point L19'''''(line 19) no Hoare annotation was computed. [2018-01-31 08:16:53,831 INFO L395 ceAbstractionStarter]: At program point L38''(line 38) the Hoare annotation is: false [2018-01-31 08:16:53,831 INFO L399 ceAbstractionStarter]: For program point L19''''(line 19) no Hoare annotation was computed. [2018-01-31 08:16:53,831 INFO L399 ceAbstractionStarter]: For program point L20''''(line 20) no Hoare annotation was computed. [2018-01-31 08:16:53,831 INFO L399 ceAbstractionStarter]: For program point L32'''(line 32) no Hoare annotation was computed. [2018-01-31 08:16:53,831 INFO L399 ceAbstractionStarter]: For program point L19'''(lines 19 23) no Hoare annotation was computed. [2018-01-31 08:16:53,831 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 14 42) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L395 ceAbstractionStarter]: At program point L37''''''(lines 37 39) the Hoare annotation is: false [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L26'''(lines 26 35) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L16'''(line 16) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L31''''(line 31) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L37'(lines 37 39) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L16''(line 16) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L21'''(line 21) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L395 ceAbstractionStarter]: At program point L19''''''(lines 19 23) the Hoare annotation is: (and (= main_~x~7 0) (= 0 main_~n~7)) [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L30'''(line 30) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L38'''(line 38) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L31'''''(line 31) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L19'''''''(lines 19 23) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-01-31 08:16:53,832 INFO L399 ceAbstractionStarter]: For program point L26'''''''(lines 26 35) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L27''(lines 27 29) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L38''''(line 38) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L37'''''(line 37) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L36''''(line 36) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L395 ceAbstractionStarter]: At program point L30'''''(lines 30 34) the Hoare annotation is: (and (= main_~x~7 0) (= 0 main_~n~7)) [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L36''(lines 36 40) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L395 ceAbstractionStarter]: At program point L32''(line 32) the Hoare annotation is: false [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L36''''''(lines 36 40) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L395 ceAbstractionStarter]: At program point L27(line 27) the Hoare annotation is: (and (= main_~x~7 0) (= 0 main_~n~7)) [2018-01-31 08:16:53,833 INFO L395 ceAbstractionStarter]: At program point L20''''''(lines 20 22) the Hoare annotation is: false [2018-01-31 08:16:53,833 INFO L399 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-01-31 08:16:53,833 INFO L395 ceAbstractionStarter]: At program point L26''''''(lines 26 35) the Hoare annotation is: (and (= main_~x~7 0) (= 0 main_~n~7)) [2018-01-31 08:16:53,834 INFO L395 ceAbstractionStarter]: At program point L28(line 28) the Hoare annotation is: false [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L27'(line 27) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L27'''''(line 27) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L27'''(line 27) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L31'(lines 31 33) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L36'''(line 36) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L30(lines 30 34) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 14 42) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L402 ceAbstractionStarter]: At program point mainENTRY(lines 14 42) the Hoare annotation is: true [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L26'(lines 26 35) no Hoare annotation was computed. [2018-01-31 08:16:53,834 INFO L399 ceAbstractionStarter]: For program point L28''(line 28) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L38'(line 38) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L21''''(line 21) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L31'''(lines 31 33) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L395 ceAbstractionStarter]: At program point L31''''''(lines 31 33) the Hoare annotation is: false [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L32''''(line 32) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L21'(line 21) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L26''''(line 26) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L20'''''(line 20) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L395 ceAbstractionStarter]: At program point L21''(line 21) the Hoare annotation is: false [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L16'(line 16) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L28'(line 28) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L27''''''(lines 27 29) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L26'''''(line 26) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L20'''(lines 20 22) no Hoare annotation was computed. [2018-01-31 08:16:53,835 INFO L399 ceAbstractionStarter]: For program point L20'(lines 20 22) no Hoare annotation was computed. [2018-01-31 08:16:53,836 INFO L399 ceAbstractionStarter]: For program point L30''''(line 30) no Hoare annotation was computed. [2018-01-31 08:16:53,836 INFO L399 ceAbstractionStarter]: For program point L28'''(line 28) no Hoare annotation was computed. [2018-01-31 08:16:53,836 INFO L399 ceAbstractionStarter]: For program point L32'(line 32) no Hoare annotation was computed. [2018-01-31 08:16:53,836 INFO L399 ceAbstractionStarter]: For program point L2'(line 2) no Hoare annotation was computed. [2018-01-31 08:16:53,836 INFO L399 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2018-01-31 08:16:53,836 INFO L399 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed. [2018-01-31 08:16:53,836 INFO L399 ceAbstractionStarter]: For program point L2'''(line 2) no Hoare annotation was computed. [2018-01-31 08:16:53,836 INFO L402 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 2) the Hoare annotation is: true [2018-01-31 08:16:53,836 INFO L399 ceAbstractionStarter]: For program point __VERIFIER_assertErr0AssertViolation(line 2) no Hoare annotation was computed. [2018-01-31 08:16:53,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:16:53 BoogieIcfgContainer [2018-01-31 08:16:53,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 08:16:53,844 INFO L168 Benchmark]: Toolchain (without parser) took 1917.00 ms. Allocated memory was 152.0 MB in the beginning and 209.2 MB in the end (delta: 57.1 MB). Free memory was 117.2 MB in the beginning and 121.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 52.9 MB. Max. memory is 5.3 GB. [2018-01-31 08:16:53,845 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 152.0 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:16:53,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.40 ms. Allocated memory is still 152.0 MB. Free memory was 117.0 MB in the beginning and 108.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 5.3 GB. [2018-01-31 08:16:53,845 INFO L168 Benchmark]: Boogie Preprocessor took 20.94 ms. Allocated memory is still 152.0 MB. Free memory was 108.1 MB in the beginning and 106.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 5.3 GB. [2018-01-31 08:16:53,845 INFO L168 Benchmark]: RCFGBuilder took 489.13 ms. Allocated memory is still 152.0 MB. Free memory was 106.1 MB in the beginning and 82.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:16:53,845 INFO L168 Benchmark]: TraceAbstraction took 1282.35 ms. Allocated memory was 152.0 MB in the beginning and 209.2 MB in the end (delta: 57.1 MB). Free memory was 81.9 MB in the beginning and 121.5 MB in the end (delta: -39.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-01-31 08:16:53,846 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 152.0 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 121.40 ms. Allocated memory is still 152.0 MB. Free memory was 117.0 MB in the beginning and 108.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 20.94 ms. Allocated memory is still 152.0 MB. Free memory was 108.1 MB in the beginning and 106.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 5.3 GB. * RCFGBuilder took 489.13 ms. Allocated memory is still 152.0 MB. Free memory was 106.1 MB in the beginning and 82.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1282.35 ms. Allocated memory was 152.0 MB in the beginning and 209.2 MB in the end (delta: 57.1 MB). Free memory was 81.9 MB in the beginning and 121.5 MB in the end (delta: -39.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: x == 0 && 0 == n - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: ((size == \old(size) || size == 0) && !(0 == \old(size))) || (i == 0 && (size == \old(size) || size == 0)) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: n == 0 && x == 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == 0 && 0 == n - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: x == 0 && 0 == n - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 116 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 256 SDtfs, 120 SDslu, 447 SDs, 0 SdLazy, 76 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 36 PreInvPairs, 42 NumberOfFragments, 73 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 12834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/data_structures_set_multi_proc_trivial_true-unreach-call_ground_true-termination.i_svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_08-16-53-852.csv Written .csv to /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/data_structures_set_multi_proc_trivial_true-unreach-call_ground_true-termination.i_svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_08-16-53-852.csv Received shutdown request...