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_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 17:30:05,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 17:30:05,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 17:30:05,450 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 17:30:05,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 17:30:05,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 17:30:05,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 17:30:05,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 17:30:05,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 17:30:05,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 17:30:05,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 17:30:05,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 17:30:05,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 17:30:05,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 17:30:05,463 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 17:30:05,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 17:30:05,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 17:30:05,466 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 17:30:05,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 17:30:05,470 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 17:30:05,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 17:30:05,473 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 17:30:05,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 17:30:05,485 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 17:30:05,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 17:30:05,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 17:30:05,511 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 17:30:05,512 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 17:30:05,513 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 17:30:05,513 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 17:30:05,513 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 17:30:05,513 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 17:30:05,513 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 17:30:05,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 17:30:05,514 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 17:30:05,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 17:30:05,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 17:30:05,514 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 17:30:05,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 17:30:05,516 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 17:30:05,516 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 17:30:05,516 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 17:30:05,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 17:30:05,518 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 17:30:05,518 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 17:30:05,518 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 17:30:05,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:30:05,519 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 17:30:05,519 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 17:30:05,519 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 17:30:05,519 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 17:30:05,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 17:30:05,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 17:30:05,520 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 17:30:05,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 17:30:05,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 17:30:05,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 17:30:05,605 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 17:30:05,605 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 17:30:05,606 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03_false-unreach-call_true-termination.i [2018-11-14 17:30:05,661 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c3e6ab2e/48305be987674a1fa7601cdcad5554be/FLAGdd9689987 [2018-11-14 17:30:06,090 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 17:30:06,091 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03_false-unreach-call_true-termination.i [2018-11-14 17:30:06,098 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c3e6ab2e/48305be987674a1fa7601cdcad5554be/FLAGdd9689987 [2018-11-14 17:30:06,113 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c3e6ab2e/48305be987674a1fa7601cdcad5554be [2018-11-14 17:30:06,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 17:30:06,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 17:30:06,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 17:30:06,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 17:30:06,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 17:30:06,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3631e39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06, skipping insertion in model container [2018-11-14 17:30:06,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 17:30:06,168 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 17:30:06,397 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:30:06,402 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 17:30:06,428 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:30:06,444 INFO L195 MainTranslator]: Completed translation [2018-11-14 17:30:06,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06 WrapperNode [2018-11-14 17:30:06,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 17:30:06,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 17:30:06,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 17:30:06,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 17:30:06,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (1/1) ... [2018-11-14 17:30:06,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 17:30:06,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 17:30:06,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 17:30:06,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 17:30:06,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (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 17:30:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 17:30:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 17:30:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 17:30:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 17:30:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 17:30:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 17:30:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-14 17:30:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2018-11-14 17:30:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 17:30:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 17:30:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 17:30:07,086 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 17:30:07,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:30:07 BoogieIcfgContainer [2018-11-14 17:30:07,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 17:30:07,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 17:30:07,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 17:30:07,092 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 17:30:07,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:30:06" (1/3) ... [2018-11-14 17:30:07,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bb347a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:30:07, skipping insertion in model container [2018-11-14 17:30:07,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:06" (2/3) ... [2018-11-14 17:30:07,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bb347a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:30:07, skipping insertion in model container [2018-11-14 17:30:07,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:30:07" (3/3) ... [2018-11-14 17:30:07,096 INFO L112 eAbstractionObserver]: Analyzing ICFG trex03_false-unreach-call_true-termination.i [2018-11-14 17:30:07,107 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 17:30:07,117 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 17:30:07,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 17:30:07,168 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 17:30:07,169 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 17:30:07,169 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 17:30:07,169 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 17:30:07,169 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 17:30:07,170 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 17:30:07,170 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 17:30:07,170 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 17:30:07,170 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 17:30:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-14 17:30:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-14 17:30:07,205 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:30:07,206 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:30:07,207 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:30:07,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:30:07,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1575744449, now seen corresponding path program 1 times [2018-11-14 17:30:07,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:30:07,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:30:07,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:30:07,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:30:07,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:30:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:30:07,334 INFO L256 TraceCheckUtils]: 0: Hoare triple {25#true} call ULTIMATE.init(); {25#true} is VALID [2018-11-14 17:30:07,338 INFO L273 TraceCheckUtils]: 1: Hoare triple {25#true} assume true; {25#true} is VALID [2018-11-14 17:30:07,339 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {25#true} {25#true} #45#return; {25#true} is VALID [2018-11-14 17:30:07,339 INFO L256 TraceCheckUtils]: 3: Hoare triple {25#true} call #t~ret7 := main(); {25#true} is VALID [2018-11-14 17:30:07,339 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 17:30:07,341 INFO L273 TraceCheckUtils]: 5: Hoare triple {25#true} assume !true; {26#false} is VALID [2018-11-14 17:30:07,341 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 17:30:07,341 INFO L273 TraceCheckUtils]: 7: Hoare triple {26#false} ~cond := #in~cond; {26#false} is VALID [2018-11-14 17:30:07,342 INFO L273 TraceCheckUtils]: 8: Hoare triple {26#false} assume ~cond == 0; {26#false} is VALID [2018-11-14 17:30:07,342 INFO L273 TraceCheckUtils]: 9: Hoare triple {26#false} assume !false; {26#false} is VALID [2018-11-14 17:30:07,344 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 17:30:07,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:30:07,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 17:30:07,352 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-14 17:30:07,355 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:30:07,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 17:30:07,419 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 17:30:07,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 17:30:07,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 17:30:07,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 17:30:07,430 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-11-14 17:30:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:30:07,552 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2018-11-14 17:30:07,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 17:30:07,553 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-14 17:30:07,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:30:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 17:30:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 39 transitions. [2018-11-14 17:30:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 17:30:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 39 transitions. [2018-11-14 17:30:07,571 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 39 transitions. [2018-11-14 17:30:07,928 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 17:30:07,940 INFO L225 Difference]: With dead ends: 34 [2018-11-14 17:30:07,941 INFO L226 Difference]: Without dead ends: 15 [2018-11-14 17:30:07,944 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 17:30:07,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-14 17:30:08,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-14 17:30:08,004 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:30:08,005 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2018-11-14 17:30:08,005 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-14 17:30:08,005 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-14 17:30:08,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:30:08,009 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-11-14 17:30:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-14 17:30:08,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:30:08,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:30:08,011 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-14 17:30:08,011 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-14 17:30:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:30:08,014 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-11-14 17:30:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-14 17:30:08,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:30:08,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:30:08,015 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:30:08,016 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:30:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 17:30:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-11-14 17:30:08,020 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2018-11-14 17:30:08,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:30:08,021 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-11-14 17:30:08,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 17:30:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-14 17:30:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-14 17:30:08,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:30:08,022 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:30:08,023 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:30:08,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:30:08,023 INFO L82 PathProgramCache]: Analyzing trace with hash 998051845, now seen corresponding path program 1 times [2018-11-14 17:30:08,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:30:08,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:30:08,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:30:08,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:30:08,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:30:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 17:30:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 17:30:08,089 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-14 17:30:08,110 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 17:30:08,110 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 17:30:08,110 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 17:30:08,110 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-14 17:30:08,111 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2018-11-14 17:30:08,111 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 17:30:08,111 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 17:30:08,111 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 17:30:08,111 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2018-11-14 17:30:08,111 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2018-11-14 17:30:08,111 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-14 17:30:08,111 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-14 17:30:08,112 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:30:08,112 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-14 17:30:08,112 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-14 17:30:08,112 WARN L170 areAnnotationChecker]: L15-4 has no Hoare annotation [2018-11-14 17:30:08,112 WARN L170 areAnnotationChecker]: L15-4 has no Hoare annotation [2018-11-14 17:30:08,112 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 17:30:08,112 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 17:30:08,113 WARN L170 areAnnotationChecker]: L3-2 has no Hoare annotation [2018-11-14 17:30:08,113 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2018-11-14 17:30:08,113 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2018-11-14 17:30:08,113 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2018-11-14 17:30:08,113 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-14 17:30:08,113 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2018-11-14 17:30:08,113 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-14 17:30:08,114 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-14 17:30:08,114 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 17:30:08,114 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 17:30:08,114 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 17:30:08,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:30:08 BoogieIcfgContainer [2018-11-14 17:30:08,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 17:30:08,118 INFO L168 Benchmark]: Toolchain (without parser) took 1995.00 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 706.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -699.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2018-11-14 17:30:08,120 INFO L168 Benchmark]: CDTParser took 0.15 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 17:30:08,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.62 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 17:30:08,121 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 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 17:30:08,122 INFO L168 Benchmark]: RCFGBuilder took 600.88 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 706.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-14 17:30:08,123 INFO L168 Benchmark]: TraceAbstraction took 1028.34 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. [2018-11-14 17:30:08,127 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 0.15 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. * CACSL2BoogieTranslator took 320.62 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 40.09 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 600.88 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 706.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1028.34 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L12] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L12] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L13] unsigned int d1=1, d2=1, d3=1; [L14] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L14] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L15] COND FALSE !(x1>0 && x2>0 && x3>0) VAL [c1=4294967298, c2=4294967299, d1=1, d2=1, d3=1, x1=0, x2=4294967297, x3=0] [L23] CALL __VERIFIER_assert(x1==0 && x2==0 && x3==0) VAL [\old(cond)=0] [L3] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...