java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 17:31:02,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 17:31:02,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 17:31:02,445 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 17:31:02,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 17:31:02,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 17:31:02,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 17:31:02,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 17:31:02,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 17:31:02,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 17:31:02,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 17:31:02,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 17:31:02,454 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 17:31:02,455 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 17:31:02,457 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 17:31:02,458 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 17:31:02,458 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 17:31:02,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 17:31:02,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 17:31:02,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 17:31:02,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 17:31:02,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 17:31:02,470 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 17:31:02,484 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-14 17:31:02,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 17:31:02,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 17:31:02,515 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 17:31:02,515 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 17:31:02,516 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 17:31:02,516 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 17:31:02,516 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 17:31:02,521 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 17:31:02,522 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 17:31:02,522 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 17:31:02,522 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 17:31:02,522 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 17:31:02,522 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 17:31:02,523 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 17:31:02,523 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 17:31:02,523 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 17:31:02,523 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 17:31:02,523 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 17:31:02,524 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 17:31:02,524 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 17:31:02,524 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 17:31:02,524 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 17:31:02,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:31:02,524 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 17:31:02,526 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 17:31:02,526 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 17:31:02,526 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 17:31:02,527 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 17:31:02,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 17:31:02,527 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 17:31:02,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 17:31:02,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 17:31:02,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 17:31:02,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 17:31:02,597 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 17:31:02,598 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i [2018-11-14 17:31:02,668 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53ccb059/9124b46a283e49a68923e1eb73929bb8/FLAG70a201ee2 [2018-11-14 17:31:03,076 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 17:31:03,077 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i [2018-11-14 17:31:03,084 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53ccb059/9124b46a283e49a68923e1eb73929bb8/FLAG70a201ee2 [2018-11-14 17:31:03,100 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53ccb059/9124b46a283e49a68923e1eb73929bb8 [2018-11-14 17:31:03,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 17:31:03,114 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 17:31:03,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 17:31:03,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 17:31:03,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 17:31:03,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2398fbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03, skipping insertion in model container [2018-11-14 17:31:03,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 17:31:03,164 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 17:31:03,425 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:31:03,429 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 17:31:03,451 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:31:03,467 INFO L195 MainTranslator]: Completed translation [2018-11-14 17:31:03,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03 WrapperNode [2018-11-14 17:31:03,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 17:31:03,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 17:31:03,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 17:31:03,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 17:31:03,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (1/1) ... [2018-11-14 17:31:03,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 17:31:03,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 17:31:03,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 17:31:03,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 17:31:03,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:31:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 17:31:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 17:31:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 17:31:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 17:31:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 17:31:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 17:31:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-14 17:31:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2018-11-14 17:31:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 17:31:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 17:31:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 17:31:04,132 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 17:31:04,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:04 BoogieIcfgContainer [2018-11-14 17:31:04,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 17:31:04,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 17:31:04,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 17:31:04,138 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 17:31:04,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:31:03" (1/3) ... [2018-11-14 17:31:04,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d3293a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:31:04, skipping insertion in model container [2018-11-14 17:31:04,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:03" (2/3) ... [2018-11-14 17:31:04,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d3293a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:31:04, skipping insertion in model container [2018-11-14 17:31:04,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:04" (3/3) ... [2018-11-14 17:31:04,142 INFO L112 eAbstractionObserver]: Analyzing ICFG trex03_true-unreach-call_true-termination.i [2018-11-14 17:31:04,152 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 17:31:04,163 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 17:31:04,179 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 17:31:04,211 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 17:31:04,212 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 17:31:04,212 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 17:31:04,213 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 17:31:04,213 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 17:31:04,213 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 17:31:04,213 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 17:31:04,213 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 17:31:04,213 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 17:31:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-14 17:31:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-14 17:31:04,240 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:04,241 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:04,243 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:04,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:04,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1575744449, now seen corresponding path program 1 times [2018-11-14 17:31:04,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:04,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:04,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:04,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:04,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:04,428 INFO L256 TraceCheckUtils]: 0: Hoare triple {25#true} call ULTIMATE.init(); {25#true} is VALID [2018-11-14 17:31:04,432 INFO L273 TraceCheckUtils]: 1: Hoare triple {25#true} assume true; {25#true} is VALID [2018-11-14 17:31:04,432 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {25#true} {25#true} #45#return; {25#true} is VALID [2018-11-14 17:31:04,433 INFO L256 TraceCheckUtils]: 3: Hoare triple {25#true} call #t~ret7 := main(); {25#true} is VALID [2018-11-14 17:31:04,433 INFO L273 TraceCheckUtils]: 4: Hoare triple {25#true} ~x1~0 := #t~nondet0;havoc #t~nondet0;~x2~0 := #t~nondet1;havoc #t~nondet1;~x3~0 := #t~nondet2;havoc #t~nondet2;~d1~0 := 1;~d2~0 := 1;~d3~0 := 1;~c1~0 := #t~nondet3;havoc #t~nondet3;~c2~0 := #t~nondet4;havoc #t~nondet4; {25#true} is VALID [2018-11-14 17:31:04,434 INFO L273 TraceCheckUtils]: 5: Hoare triple {25#true} assume !true; {26#false} is VALID [2018-11-14 17:31:04,435 INFO L256 TraceCheckUtils]: 6: Hoare triple {26#false} call __VERIFIER_assert((if (~x1~0 % 4294967296 == 0 || ~x2~0 % 4294967296 == 0) || ~x3~0 % 4294967296 == 0 then 1 else 0)); {26#false} is VALID [2018-11-14 17:31:04,435 INFO L273 TraceCheckUtils]: 7: Hoare triple {26#false} ~cond := #in~cond; {26#false} is VALID [2018-11-14 17:31:04,435 INFO L273 TraceCheckUtils]: 8: Hoare triple {26#false} assume ~cond == 0; {26#false} is VALID [2018-11-14 17:31:04,436 INFO L273 TraceCheckUtils]: 9: Hoare triple {26#false} assume !false; {26#false} is VALID [2018-11-14 17:31:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:04,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:31:04,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 17:31:04,445 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-14 17:31:04,448 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:04,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 17:31:04,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:04,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 17:31:04,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 17:31:04,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 17:31:04,517 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-11-14 17:31:04,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:04,625 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2018-11-14 17:31:04,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 17:31:04,625 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-14 17:31:04,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 17:31:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 39 transitions. [2018-11-14 17:31:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 17:31:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 39 transitions. [2018-11-14 17:31:04,647 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 39 transitions. [2018-11-14 17:31:04,984 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:04,994 INFO L225 Difference]: With dead ends: 34 [2018-11-14 17:31:04,994 INFO L226 Difference]: Without dead ends: 15 [2018-11-14 17:31:04,997 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 17:31:05,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-14 17:31:05,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-14 17:31:05,122 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:05,123 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2018-11-14 17:31:05,123 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-14 17:31:05,125 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-14 17:31:05,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:05,131 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-11-14 17:31:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-14 17:31:05,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:05,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:05,132 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-14 17:31:05,132 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-14 17:31:05,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:05,138 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-11-14 17:31:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-14 17:31:05,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:05,138 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:05,139 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:05,139 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 17:31:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-11-14 17:31:05,148 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2018-11-14 17:31:05,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:05,148 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-11-14 17:31:05,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 17:31:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-14 17:31:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-14 17:31:05,149 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:05,149 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:05,150 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:05,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:05,150 INFO L82 PathProgramCache]: Analyzing trace with hash 998051845, now seen corresponding path program 1 times [2018-11-14 17:31:05,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:05,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:05,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:05,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:05,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:05,495 INFO L256 TraceCheckUtils]: 0: Hoare triple {124#true} call ULTIMATE.init(); {124#true} is VALID [2018-11-14 17:31:05,496 INFO L273 TraceCheckUtils]: 1: Hoare triple {124#true} assume true; {124#true} is VALID [2018-11-14 17:31:05,496 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {124#true} {124#true} #45#return; {124#true} is VALID [2018-11-14 17:31:05,497 INFO L256 TraceCheckUtils]: 3: Hoare triple {124#true} call #t~ret7 := main(); {124#true} is VALID [2018-11-14 17:31:05,497 INFO L273 TraceCheckUtils]: 4: Hoare triple {124#true} ~x1~0 := #t~nondet0;havoc #t~nondet0;~x2~0 := #t~nondet1;havoc #t~nondet1;~x3~0 := #t~nondet2;havoc #t~nondet2;~d1~0 := 1;~d2~0 := 1;~d3~0 := 1;~c1~0 := #t~nondet3;havoc #t~nondet3;~c2~0 := #t~nondet4;havoc #t~nondet4; {124#true} is VALID [2018-11-14 17:31:05,497 INFO L273 TraceCheckUtils]: 5: Hoare triple {124#true} assume true; {124#true} is VALID [2018-11-14 17:31:05,500 INFO L273 TraceCheckUtils]: 6: Hoare triple {124#true} assume !((~x1~0 % 4294967296 > 0 && ~x2~0 % 4294967296 > 0) && ~x3~0 % 4294967296 > 0); {126#(or (= main_~x2~0 (* 4294967296 (div main_~x2~0 4294967296))) (= main_~x3~0 (* 4294967296 (div main_~x3~0 4294967296))) (= main_~x1~0 (* 4294967296 (div main_~x1~0 4294967296))))} is VALID [2018-11-14 17:31:05,502 INFO L256 TraceCheckUtils]: 7: Hoare triple {126#(or (= main_~x2~0 (* 4294967296 (div main_~x2~0 4294967296))) (= main_~x3~0 (* 4294967296 (div main_~x3~0 4294967296))) (= main_~x1~0 (* 4294967296 (div main_~x1~0 4294967296))))} call __VERIFIER_assert((if (~x1~0 % 4294967296 == 0 || ~x2~0 % 4294967296 == 0) || ~x3~0 % 4294967296 == 0 then 1 else 0)); {127#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-14 17:31:05,503 INFO L273 TraceCheckUtils]: 8: Hoare triple {127#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {128#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-14 17:31:05,503 INFO L273 TraceCheckUtils]: 9: Hoare triple {128#(= __VERIFIER_assert_~cond 1)} assume ~cond == 0; {125#false} is VALID [2018-11-14 17:31:05,504 INFO L273 TraceCheckUtils]: 10: Hoare triple {125#false} assume !false; {125#false} is VALID [2018-11-14 17:31:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:05,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:31:05,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 17:31:05,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-14 17:31:05,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:05,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 17:31:05,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:05,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 17:31:05,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 17:31:05,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-14 17:31:05,576 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 5 states. [2018-11-14 17:31:05,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:05,891 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-11-14 17:31:05,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 17:31:05,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-14 17:31:05,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:05,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 17:31:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2018-11-14 17:31:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 17:31:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2018-11-14 17:31:05,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 17 transitions. [2018-11-14 17:31:05,928 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:05,928 INFO L225 Difference]: With dead ends: 15 [2018-11-14 17:31:05,929 INFO L226 Difference]: Without dead ends: 0 [2018-11-14 17:31:05,930 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-14 17:31:05,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-14 17:31:05,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-14 17:31:05,931 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:05,931 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-14 17:31:05,931 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 17:31:05,931 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 17:31:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:05,932 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 17:31:05,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:31:05,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:05,932 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:05,933 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 17:31:05,933 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 17:31:05,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:05,933 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 17:31:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:31:05,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:05,934 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:05,934 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:05,934 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:05,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-14 17:31:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-14 17:31:05,935 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-14 17:31:05,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:05,935 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-14 17:31:05,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 17:31:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:31:05,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:05,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-14 17:31:06,108 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-14 17:31:06,109 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-14 17:31:06,109 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-14 17:31:06,109 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-14 17:31:06,109 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-14 17:31:06,109 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-14 17:31:06,109 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 25) no Hoare annotation was computed. [2018-11-14 17:31:06,110 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-14 17:31:06,110 INFO L425 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. [2018-11-14 17:31:06,110 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 22) no Hoare annotation was computed. [2018-11-14 17:31:06,110 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 25) no Hoare annotation was computed. [2018-11-14 17:31:06,110 INFO L428 ceAbstractionStarter]: At program point L15-3(lines 15 22) the Hoare annotation is: true [2018-11-14 17:31:06,110 INFO L421 ceAbstractionStarter]: At program point L15-4(lines 15 22) the Hoare annotation is: (or (= main_~x2~0 (* 4294967296 (div main_~x2~0 4294967296))) (= main_~x3~0 (* 4294967296 (div main_~x3~0 4294967296))) (= main_~x1~0 (* 4294967296 (div main_~x1~0 4294967296)))) [2018-11-14 17:31:06,110 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 25) the Hoare annotation is: true [2018-11-14 17:31:06,111 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 19) no Hoare annotation was computed. [2018-11-14 17:31:06,111 INFO L425 ceAbstractionStarter]: For program point L18-2(lines 17 19) no Hoare annotation was computed. [2018-11-14 17:31:06,111 INFO L425 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-11-14 17:31:06,111 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-14 17:31:06,111 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-11-14 17:31:06,111 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-11-14 17:31:06,111 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-14 17:31:06,112 INFO L425 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-11-14 17:31:06,113 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 17:31:06,114 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-14 17:31:06,114 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 17:31:06,114 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:31:06,114 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-14 17:31:06,116 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-14 17:31:06,116 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-14 17:31:06,116 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:31:06,116 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-14 17:31:06,117 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-14 17:31:06,117 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2018-11-14 17:31:06,117 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 17:31:06,117 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 17:31:06,117 WARN L170 areAnnotationChecker]: L3-2 has no Hoare annotation [2018-11-14 17:31:06,117 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2018-11-14 17:31:06,117 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2018-11-14 17:31:06,118 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2018-11-14 17:31:06,118 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-14 17:31:06,118 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2018-11-14 17:31:06,118 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-14 17:31:06,118 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-14 17:31:06,118 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 17:31:06,119 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 17:31:06,119 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 17:31:06,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:31:06 BoogieIcfgContainer [2018-11-14 17:31:06,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 17:31:06,125 INFO L168 Benchmark]: Toolchain (without parser) took 3012.32 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -713.1 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2018-11-14 17:31:06,127 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 17:31:06,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-14 17:31:06,129 INFO L168 Benchmark]: Boogie Preprocessor took 31.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 17:31:06,129 INFO L168 Benchmark]: RCFGBuilder took 633.47 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2018-11-14 17:31:06,130 INFO L168 Benchmark]: TraceAbstraction took 1989.96 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 80.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2018-11-14 17:31:06,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 353.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 633.47 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1989.96 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 80.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 1 SDslu, 35 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 28 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...