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/reducercommutativity/avg_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a-m [2018-01-30 00:42:34,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 00:42:34,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 00:42:34,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 00:42:34,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 00:42:34,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 00:42:34,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 00:42:34,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 00:42:34,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 00:42:34,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 00:42:34,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 00:42:34,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 00:42:34,836 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 00:42:34,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 00:42:34,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 00:42:34,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 00:42:34,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 00:42:34,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 00:42:34,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 00:42:34,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 00:42:34,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-30 00:42:34,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-30 00:42:34,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-30 00:42:34,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-30 00:42:34,843 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-30 00:42:34,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-30 00:42:34,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-30 00:42:34,845 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-30 00:42:34,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-30 00:42:34,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 00:42:34,845 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 00:42:34,845 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 00:42:34,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 00:42:34,851 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 00:42:34,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 00:42:34,851 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 00:42:34,851 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 00:42:34,851 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 00:42:34,852 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 00:42:34,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 00:42:34,852 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 00:42:34,852 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 00:42:34,852 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 00:42:34,852 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 00:42:34,852 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-30 00:42:34,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 00:42:34,853 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 00:42:34,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 00:42:34,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 00:42:34,854 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 00:42:34,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 00:42:34,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 00:42:34,854 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 00:42:34,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 00:42:34,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 00:42:34,854 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 00:42:34,855 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 00:42:34,855 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 00:42:34,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 00:42:34,879 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 00:42:34,881 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 00:42:34,881 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 00:42:34,882 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 00:42:34,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg_true-unreach-call_true-termination.i [2018-01-30 00:42:34,945 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 00:42:34,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-30 00:42:34,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 00:42:34,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 00:42:34,950 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 00:42:34,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:42:34" (1/1) ... [2018-01-30 00:42:34,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cf8875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:34, skipping insertion in model container [2018-01-30 00:42:34,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:42:34" (1/1) ... [2018-01-30 00:42:34,962 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:42:34,971 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:42:35,043 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:42:35,055 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:42:35,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35 WrapperNode [2018-01-30 00:42:35,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 00:42:35,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 00:42:35,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 00:42:35,060 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 00:42:35,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (1/1) ... [2018-01-30 00:42:35,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (1/1) ... [2018-01-30 00:42:35,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (1/1) ... [2018-01-30 00:42:35,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (1/1) ... [2018-01-30 00:42:35,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (1/1) ... [2018-01-30 00:42:35,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (1/1) ... [2018-01-30 00:42:35,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (1/1) ... [2018-01-30 00:42:35,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 00:42:35,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 00:42:35,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 00:42:35,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 00:42:35,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (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 00:42:35,125 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 00:42:35,125 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 00:42:35,125 INFO L136 BoogieDeclarations]: Found implementation of procedure avg [2018-01-30 00:42:35,125 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 00:42:35,125 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-30 00:42:35,125 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-30 00:42:35,125 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-30 00:42:35,125 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-30 00:42:35,125 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-30 00:42:35,126 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-30 00:42:35,126 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-30 00:42:35,126 INFO L128 BoogieDeclarations]: Found specification of procedure avg [2018-01-30 00:42:35,126 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 00:42:35,126 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 00:42:35,126 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 00:42:35,461 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 00:42:35,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:42:35 BoogieIcfgContainer [2018-01-30 00:42:35,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 00:42:35,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 00:42:35,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 00:42:35,464 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 00:42:35,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 12:42:34" (1/3) ... [2018-01-30 00:42:35,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f65e3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:42:35, skipping insertion in model container [2018-01-30 00:42:35,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:42:35" (2/3) ... [2018-01-30 00:42:35,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f65e3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:42:35, skipping insertion in model container [2018-01-30 00:42:35,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:42:35" (3/3) ... [2018-01-30 00:42:35,466 INFO L107 eAbstractionObserver]: Analyzing ICFG avg_true-unreach-call_true-termination.i [2018-01-30 00:42:35,471 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 00:42:35,475 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-01-30 00:42:35,499 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 00:42:35,499 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 00:42:35,499 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 00:42:35,499 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 00:42:35,499 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 00:42:35,499 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 00:42:35,500 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 00:42:35,500 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 00:42:35,500 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 00:42:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2018-01-30 00:42:35,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-30 00:42:35,514 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:42:35,514 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:42:35,514 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolation]=== [2018-01-30 00:42:35,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1379653703, now seen corresponding path program 1 times [2018-01-30 00:42:35,518 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:42:35,518 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:42:35,549 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:35,550 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:42:35,550 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:42:35,582 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:42:35,604 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-30 00:42:35,604 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:42:35,604 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 00:42:35,611 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:42:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:42:35,674 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:42:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-01-30 00:42:35,718 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:42:35,718 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-30 00:42:35,719 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-30 00:42:35,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-30 00:42:35,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-30 00:42:35,729 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2018-01-30 00:42:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:42:35,748 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2018-01-30 00:42:35,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-30 00:42:35,749 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 70 [2018-01-30 00:42:35,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:42:35,757 INFO L225 Difference]: With dead ends: 131 [2018-01-30 00:42:35,757 INFO L226 Difference]: Without dead ends: 67 [2018-01-30 00:42:35,760 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 69 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 00:42:35,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-01-30 00:42:35,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-01-30 00:42:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-01-30 00:42:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2018-01-30 00:42:35,846 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 70 [2018-01-30 00:42:35,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:42:35,846 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2018-01-30 00:42:35,847 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-30 00:42:35,847 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2018-01-30 00:42:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-30 00:42:35,849 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:42:35,849 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:42:35,849 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolation]=== [2018-01-30 00:42:35,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1217668467, now seen corresponding path program 1 times [2018-01-30 00:42:35,849 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:42:35,849 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:42:35,850 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:35,850 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:42:35,850 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:35,859 ERROR L243 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-01-30 00:42:35,859 INFO L266 seRefinementStrategy]: Advancing trace checker [2018-01-30 00:42:35,860 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 (exit command is (exit), workingDir is null) [2018-01-30 00:42:35,866 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-01-30 00:42:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:42:35,893 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:42:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-01-30 00:42:36,062 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:42:36,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-30 00:42:36,063 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-30 00:42:36,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-30 00:42:36,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:42:36,063 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 4 states. [2018-01-30 00:42:36,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:42:36,228 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2018-01-30 00:42:36,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-30 00:42:36,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2018-01-30 00:42:36,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:42:36,230 INFO L225 Difference]: With dead ends: 124 [2018-01-30 00:42:36,230 INFO L226 Difference]: Without dead ends: 74 [2018-01-30 00:42:36,230 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:42:36,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-01-30 00:42:36,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2018-01-30 00:42:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-01-30 00:42:36,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 72 transitions. [2018-01-30 00:42:36,235 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 72 transitions. Word has length 74 [2018-01-30 00:42:36,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:42:36,235 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 72 transitions. [2018-01-30 00:42:36,235 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-30 00:42:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2018-01-30 00:42:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-01-30 00:42:36,236 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:42:36,237 INFO L350 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:42:36,237 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0AssertViolation]=== [2018-01-30 00:42:36,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1074977276, now seen corresponding path program 1 times [2018-01-30 00:42:36,238 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:42:36,238 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:42:36,238 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:36,238 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:42:36,238 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:36,247 ERROR L243 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-01-30 00:42:36,247 INFO L266 seRefinementStrategy]: Advancing trace checker [2018-01-30 00:42:36,247 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 (exit command is (exit), workingDir is null) [2018-01-30 00:42:36,259 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-01-30 00:42:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:42:36,283 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:42:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-01-30 00:42:36,641 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-01-30 00:42:36,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-01-30 00:42:36,641 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:42:36,641 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:42:36,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:42:36,641 INFO L87 Difference]: Start difference. First operand 69 states and 72 transitions. Second operand 6 states. [2018-01-30 00:42:36,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:42:36,790 INFO L93 Difference]: Finished difference Result 134 states and 143 transitions. [2018-01-30 00:42:36,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-30 00:42:36,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-01-30 00:42:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:42:36,791 INFO L225 Difference]: With dead ends: 134 [2018-01-30 00:42:36,791 INFO L226 Difference]: Without dead ends: 82 [2018-01-30 00:42:36,791 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-01-30 00:42:36,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-01-30 00:42:36,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 77. [2018-01-30 00:42:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-01-30 00:42:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2018-01-30 00:42:36,797 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 98 [2018-01-30 00:42:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:42:36,797 INFO L432 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2018-01-30 00:42:36,797 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:42:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2018-01-30 00:42:36,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-01-30 00:42:36,798 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:42:36,798 INFO L350 BasicCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:42:36,798 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0AssertViolation]=== [2018-01-30 00:42:36,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2130920325, now seen corresponding path program 2 times [2018-01-30 00:42:36,798 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:42:36,798 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:42:36,799 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:36,799 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:42:36,799 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:36,809 ERROR L243 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-01-30 00:42:36,809 INFO L266 seRefinementStrategy]: Advancing trace checker [2018-01-30 00:42:36,809 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-01-30 00:42:36,817 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:42:36,829 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:42:36,840 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:42:36,842 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:42:36,844 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:42:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-01-30 00:42:36,956 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:42:36,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-30 00:42:36,957 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-30 00:42:36,957 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-30 00:42:36,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:42:36,957 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand 4 states. [2018-01-30 00:42:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:42:37,163 INFO L93 Difference]: Finished difference Result 118 states and 122 transitions. [2018-01-30 00:42:37,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-30 00:42:37,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-01-30 00:42:37,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:42:37,164 INFO L225 Difference]: With dead ends: 118 [2018-01-30 00:42:37,164 INFO L226 Difference]: Without dead ends: 84 [2018-01-30 00:42:37,164 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 119 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 00:42:37,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-01-30 00:42:37,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2018-01-30 00:42:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-01-30 00:42:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2018-01-30 00:42:37,169 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 122 [2018-01-30 00:42:37,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:42:37,170 INFO L432 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2018-01-30 00:42:37,171 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-30 00:42:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2018-01-30 00:42:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-01-30 00:42:37,172 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:42:37,172 INFO L350 BasicCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:42:37,172 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0AssertViolation]=== [2018-01-30 00:42:37,172 INFO L82 PathProgramCache]: Analyzing trace with hash 911566460, now seen corresponding path program 1 times [2018-01-30 00:42:37,172 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:42:37,172 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:42:37,173 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:37,173 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:42:37,173 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:42:37,181 ERROR L243 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-01-30 00:42:37,181 INFO L266 seRefinementStrategy]: Advancing trace checker [2018-01-30 00:42:37,181 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-01-30 00:42:37,186 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:42:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:42:37,228 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:42:39,107 WARN L146 SmtUtils]: Spent 1030ms on a formula simplification. DAG size of input: 82 DAG size of output 55 [2018-01-30 00:42:39,274 WARN L143 SmtUtils]: Spent 129ms on a formula simplification that was a NOOP. DAG size: 56 [2018-01-30 00:42:39,538 WARN L143 SmtUtils]: Spent 178ms on a formula simplification that was a NOOP. DAG size: 56 [2018-01-30 00:42:40,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 87 [2018-01-30 00:42:40,050 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:42:40,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 80 [2018-01-30 00:42:40,054 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:42:40,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. Received shutdown request... [2018-01-30 00:44:01,821 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-30 00:44:01,822 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-30 00:44:01,824 WARN L185 ceAbstractionStarter]: Timeout [2018-01-30 00:44:01,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:44:01 BoogieIcfgContainer [2018-01-30 00:44:01,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 00:44:01,825 INFO L168 Benchmark]: Toolchain (without parser) took 86880.15 ms. Allocated memory was 149.9 MB in the beginning and 241.7 MB in the end (delta: 91.8 MB). Free memory was 114.9 MB in the beginning and 127.9 MB in the end (delta: -13.0 MB). Peak memory consumption was 78.7 MB. Max. memory is 5.3 GB. [2018-01-30 00:44:01,826 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 149.9 MB. Free memory is still 119.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:44:01,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 113.16 ms. Allocated memory is still 149.9 MB. Free memory was 114.9 MB in the beginning and 106.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 5.3 GB. [2018-01-30 00:44:01,827 INFO L168 Benchmark]: Boogie Preprocessor took 19.10 ms. Allocated memory is still 149.9 MB. Free memory was 106.0 MB in the beginning and 104.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 5.3 GB. [2018-01-30 00:44:01,827 INFO L168 Benchmark]: RCFGBuilder took 383.05 ms. Allocated memory is still 149.9 MB. Free memory was 104.3 MB in the beginning and 86.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 5.3 GB. [2018-01-30 00:44:01,827 INFO L168 Benchmark]: TraceAbstraction took 86362.37 ms. Allocated memory was 149.9 MB in the beginning and 241.7 MB in the end (delta: 91.8 MB). Free memory was 86.1 MB in the beginning and 127.9 MB in the end (delta: -41.8 MB). Peak memory consumption was 49.9 MB. Max. memory is 5.3 GB. [2018-01-30 00:44:01,829 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 149.9 MB. Free memory is still 119.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 113.16 ms. Allocated memory is still 149.9 MB. Free memory was 114.9 MB in the beginning and 106.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 19.10 ms. Allocated memory is still 149.9 MB. Free memory was 106.0 MB in the beginning and 104.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 383.05 ms. Allocated memory is still 149.9 MB. Free memory was 104.3 MB in the beginning and 86.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 86362.37 ms. Allocated memory was 149.9 MB in the beginning and 241.7 MB in the end (delta: 91.8 MB). Free memory was 86.1 MB in the beginning and 127.9 MB in the end (delta: -41.8 MB). Peak memory consumption was 49.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 39). Cancelled while BasicCegarLoop was analyzing trace of length 131 with TraceHistMax 9, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 246. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. TIMEOUT Result, 86.3s OverallTime, 5 OverallIterations, 9 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 260 SDtfs, 154 SDslu, 209 SDs, 0 SdLazy, 115 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 350 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=4, 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, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 434 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 64420 SizeOfPredicates, 6 NumberOfNonLiveVariables, 744 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 313/315 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/avg_true-unreach-call_true-termination.i_svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-30_00-44-01-836.csv Written .csv to /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/avg_true-unreach-call_true-termination.i_svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_00-44-01-836.csv Completed graceful shutdown