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/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loops/terminator_03_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:26:08,883 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:26:08,885 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:26:08,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:26:08,904 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:26:08,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:26:08,908 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:26:08,910 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:26:08,913 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:26:08,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:26:08,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:26:08,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:26:08,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:26:08,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:26:08,921 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:26:08,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:26:08,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:26:08,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:26:08,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:26:08,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:26:08,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:26:08,939 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:26:08,942 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:26:08,957 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 11:26:08,988 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:26:08,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:26:08,990 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:26:08,990 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:26:08,991 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:26:08,991 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:26:08,991 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:26:08,992 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:26:08,992 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:26:08,992 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:26:08,992 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:26:08,992 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:26:08,994 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:26:08,994 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:26:08,994 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:26:08,994 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:26:08,994 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:26:08,995 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:26:08,995 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:26:08,995 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:26:08,995 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:26:08,995 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:26:08,996 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:26:08,996 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:26:08,996 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:26:08,996 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:26:08,996 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:26:08,997 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:26:08,997 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:26:08,997 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:26:08,997 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:26:08,997 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:26:08,998 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:26:09,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:26:09,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:26:09,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:26:09,076 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:26:09,077 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:26:09,077 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03_true-unreach-call_true-termination.i [2018-11-23 11:26:09,142 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/130ec35d4/0c776a211c6b4277885d53c0e62346ec/FLAGda7c11af2 [2018-11-23 11:26:09,592 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:26:09,593 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03_true-unreach-call_true-termination.i [2018-11-23 11:26:09,600 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/130ec35d4/0c776a211c6b4277885d53c0e62346ec/FLAGda7c11af2 [2018-11-23 11:26:09,988 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/130ec35d4/0c776a211c6b4277885d53c0e62346ec [2018-11-23 11:26:09,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:26:10,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:26:10,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:26:10,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:26:10,005 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:26:10,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:09" (1/1) ... [2018-11-23 11:26:10,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5c8908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10, skipping insertion in model container [2018-11-23 11:26:10,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:09" (1/1) ... [2018-11-23 11:26:10,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:26:10,049 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:26:10,319 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:26:10,327 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:26:10,351 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:26:10,367 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:26:10,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10 WrapperNode [2018-11-23 11:26:10,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:26:10,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:26:10,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:26:10,369 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:26:10,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:26:10,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:26:10,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:26:10,389 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:26:10,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (1/1) ... [2018-11-23 11:26:10,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:26:10,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:26:10,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:26:10,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:26:10,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (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 [2018-11-23 11:26:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:26:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:26:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:26:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:26:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:26:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:26:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:26:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:26:10,971 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:26:10,972 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:26:10,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:10 BoogieIcfgContainer [2018-11-23 11:26:10,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:26:10,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:26:10,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:26:10,977 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:26:10,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:26:09" (1/3) ... [2018-11-23 11:26:10,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecefbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:10, skipping insertion in model container [2018-11-23 11:26:10,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:10" (2/3) ... [2018-11-23 11:26:10,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecefbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:10, skipping insertion in model container [2018-11-23 11:26:10,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:10" (3/3) ... [2018-11-23 11:26:10,982 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_03_true-unreach-call_true-termination.i [2018-11-23 11:26:10,993 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:26:11,002 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:26:11,021 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:26:11,053 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:26:11,054 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:26:11,054 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:26:11,054 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:26:11,054 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:26:11,055 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:26:11,055 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:26:11,055 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:26:11,055 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:26:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-23 11:26:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 11:26:11,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:26:11,083 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:26:11,085 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:26:11,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:26:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1995182865, now seen corresponding path program 1 times [2018-11-23 11:26:11,095 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:26:11,095 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:26:11,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:26:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:26:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:26:11,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:26:11,381 INFO L256 TraceCheckUtils]: 0: Hoare triple {23#true} call ULTIMATE.init(); {23#true} is VALID [2018-11-23 11:26:11,385 INFO L273 TraceCheckUtils]: 1: Hoare triple {23#true} assume true; {23#true} is VALID [2018-11-23 11:26:11,386 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {23#true} {23#true} #42#return; {23#true} is VALID [2018-11-23 11:26:11,386 INFO L256 TraceCheckUtils]: 3: Hoare triple {23#true} call #t~ret2 := main(); {23#true} is VALID [2018-11-23 11:26:11,387 INFO L273 TraceCheckUtils]: 4: Hoare triple {23#true} ~x~0 := #t~nondet0;havoc #t~nondet0;~y~0 := #t~nondet1;havoc #t~nondet1; {23#true} is VALID [2018-11-23 11:26:11,387 INFO L273 TraceCheckUtils]: 5: Hoare triple {23#true} assume !!~bvsle32(~y~0, 1000000bv32); {23#true} is VALID [2018-11-23 11:26:11,388 INFO L273 TraceCheckUtils]: 6: Hoare triple {23#true} assume !~bvsgt32(~y~0, 0bv32); {46#(not (bvsgt main_~y~0 (_ bv0 32)))} is VALID [2018-11-23 11:26:11,390 INFO L256 TraceCheckUtils]: 7: Hoare triple {46#(not (bvsgt main_~y~0 (_ bv0 32)))} call __VERIFIER_assert((if ~bvsle32(~y~0, 0bv32) || (~bvsgt32(~y~0, 0bv32) && ~bvsge32(~x~0, 100bv32)) then 1bv32 else 0bv32)); {50#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:26:11,391 INFO L273 TraceCheckUtils]: 8: Hoare triple {50#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {54#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:26:11,396 INFO L273 TraceCheckUtils]: 9: Hoare triple {54#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {24#false} is VALID [2018-11-23 11:26:11,396 INFO L273 TraceCheckUtils]: 10: Hoare triple {24#false} assume !false; {24#false} is VALID [2018-11-23 11:26:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:26:11,400 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:26:11,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:26:11,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:26:11,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-23 11:26:11,420 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:26:11,423 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:26:11,532 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:26:11,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:26:11,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:26:11,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:26:11,546 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2018-11-23 11:26:12,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:12,144 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2018-11-23 11:26:12,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:26:12,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-23 11:26:12,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:26:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:26:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2018-11-23 11:26:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:26:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2018-11-23 11:26:12,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 47 transitions. [2018-11-23 11:26:12,361 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:26:12,374 INFO L225 Difference]: With dead ends: 40 [2018-11-23 11:26:12,374 INFO L226 Difference]: Without dead ends: 13 [2018-11-23 11:26:12,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:26:12,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-11-23 11:26:12,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-11-23 11:26:12,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:26:12,501 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2018-11-23 11:26:12,502 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2018-11-23 11:26:12,502 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2018-11-23 11:26:12,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:12,506 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-11-23 11:26:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-23 11:26:12,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:26:12,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:26:12,507 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2018-11-23 11:26:12,508 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2018-11-23 11:26:12,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:12,511 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-11-23 11:26:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-23 11:26:12,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:26:12,513 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:26:12,513 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:26:12,513 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:26:12,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 11:26:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-11-23 11:26:12,518 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-11-23 11:26:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:26:12,519 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-11-23 11:26:12,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:26:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-23 11:26:12,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 11:26:12,520 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:26:12,521 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:26:12,521 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:26:12,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:26:12,522 INFO L82 PathProgramCache]: Analyzing trace with hash -2146425897, now seen corresponding path program 1 times [2018-11-23 11:26:12,522 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:26:12,523 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:26:12,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:26:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:26:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:26:12,600 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:26:13,060 INFO L256 TraceCheckUtils]: 0: Hoare triple {159#true} call ULTIMATE.init(); {159#true} is VALID [2018-11-23 11:26:13,060 INFO L273 TraceCheckUtils]: 1: Hoare triple {159#true} assume true; {159#true} is VALID [2018-11-23 11:26:13,061 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {159#true} {159#true} #42#return; {159#true} is VALID [2018-11-23 11:26:13,062 INFO L256 TraceCheckUtils]: 3: Hoare triple {159#true} call #t~ret2 := main(); {159#true} is VALID [2018-11-23 11:26:13,063 INFO L273 TraceCheckUtils]: 4: Hoare triple {159#true} ~x~0 := #t~nondet0;havoc #t~nondet0;~y~0 := #t~nondet1;havoc #t~nondet1; {159#true} is VALID [2018-11-23 11:26:13,063 INFO L273 TraceCheckUtils]: 5: Hoare triple {159#true} assume !!~bvsle32(~y~0, 1000000bv32); {159#true} is VALID [2018-11-23 11:26:13,080 INFO L273 TraceCheckUtils]: 6: Hoare triple {159#true} assume ~bvsgt32(~y~0, 0bv32); {182#(bvsgt main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:26:13,101 INFO L273 TraceCheckUtils]: 7: Hoare triple {182#(bvsgt main_~y~0 (_ bv0 32))} assume !~bvslt32(~x~0, 100bv32); {186#(and (bvsgt main_~y~0 (_ bv0 32)) (not (bvslt main_~x~0 (_ bv100 32))))} is VALID [2018-11-23 11:26:13,116 INFO L256 TraceCheckUtils]: 8: Hoare triple {186#(and (bvsgt main_~y~0 (_ bv0 32)) (not (bvslt main_~x~0 (_ bv100 32))))} call __VERIFIER_assert((if ~bvsle32(~y~0, 0bv32) || (~bvsgt32(~y~0, 0bv32) && ~bvsge32(~x~0, 100bv32)) then 1bv32 else 0bv32)); {190#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:26:13,126 INFO L273 TraceCheckUtils]: 9: Hoare triple {190#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {194#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:26:13,140 INFO L273 TraceCheckUtils]: 10: Hoare triple {194#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {160#false} is VALID [2018-11-23 11:26:13,140 INFO L273 TraceCheckUtils]: 11: Hoare triple {160#false} assume !false; {160#false} is VALID [2018-11-23 11:26:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:26:13,142 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:26:13,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:26:13,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:26:13,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-23 11:26:13,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:26:13,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:26:13,321 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:26:13,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:26:13,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:26:13,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:26:13,322 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 6 states. [2018-11-23 11:26:13,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:13,587 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-11-23 11:26:13,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:26:13,587 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-23 11:26:13,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:26:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:26:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2018-11-23 11:26:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:26:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2018-11-23 11:26:13,593 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 13 transitions. [2018-11-23 11:26:13,656 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:26:13,657 INFO L225 Difference]: With dead ends: 13 [2018-11-23 11:26:13,657 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:26:13,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:26:13,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:26:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:26:13,660 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:26:13,660 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:13,660 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:13,660 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:13,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:13,663 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:26:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:26:13,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:26:13,664 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:26:13,664 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:13,665 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:13,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:13,665 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:26:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:26:13,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:26:13,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:26:13,666 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:26:13,667 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:26:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:26:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:26:13,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-11-23 11:26:13,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:26:13,668 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:26:13,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:26:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:26:13,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:26:13,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:26:13,923 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 11:26:13,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:26:13,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:26:13,923 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:26:13,924 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:26:13,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:26:13,924 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 11 22) the Hoare annotation is: true [2018-11-23 11:26:13,924 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 11 22) no Hoare annotation was computed. [2018-11-23 11:26:13,924 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-23 11:26:13,924 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. [2018-11-23 11:26:13,924 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-11-23 11:26:13,924 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 18) the Hoare annotation is: (bvsgt main_~y~0 (_ bv0 32)) [2018-11-23 11:26:13,925 INFO L444 ceAbstractionStarter]: At program point L15-1(lines 15 19) the Hoare annotation is: (or (not (bvsgt main_~y~0 (_ bv0 32))) (not (bvslt main_~x~0 (_ bv100 32)))) [2018-11-23 11:26:13,925 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 11 22) no Hoare annotation was computed. [2018-11-23 11:26:13,925 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 11:26:13,925 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:26:13,925 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 11:26:13,926 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 11:26:13,926 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 11:26:13,926 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:26:13,928 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:26:13,928 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 11:26:13,928 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:26:13,929 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 11:26:13,930 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 11:26:13,930 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:26:13,930 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:26:13,930 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 11:26:13,930 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:26:13,937 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-23 11:26:13,937 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:26:13,937 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-23 11:26:13,938 INFO L163 areAnnotationChecker]: CFG has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:26:13,943 WARN L1272 BoogieBacktranslator]: Unfinished Backtranslation cannot identify Boogie2SMT function ~bvsgt32 [2018-11-23 11:26:13,945 WARN L1272 BoogieBacktranslator]: Unfinished Backtranslation cannot identify Boogie2SMT function ~bvsgt32 [2018-11-23 11:26:13,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:26:13 BoogieIcfgContainer [2018-11-23 11:26:13,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:26:13,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:26:13,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:26:13,949 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:26:13,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:10" (3/4) ... [2018-11-23 11:26:13,955 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:26:13,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:26:13,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:26:13,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:26:13,968 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 11:26:13,968 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:26:13,969 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:26:14,019 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loops/terminator_03_true-unreach-call_true-termination.i-witness.graphml [2018-11-23 11:26:14,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:26:14,021 INFO L168 Benchmark]: Toolchain (without parser) took 4021.85 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 702.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -597.9 MB). Peak memory consumption was 104.7 MB. Max. memory is 7.1 GB. [2018-11-23 11:26:14,023 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-23 11:26:14,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.41 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. [2018-11-23 11:26:14,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.29 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. [2018-11-23 11:26:14,025 INFO L168 Benchmark]: Boogie Preprocessor took 34.56 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. [2018-11-23 11:26:14,026 INFO L168 Benchmark]: RCFGBuilder took 548.88 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 702.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -752.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-23 11:26:14,027 INFO L168 Benchmark]: TraceAbstraction took 2974.05 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB. [2018-11-23 11:26:14,028 INFO L168 Benchmark]: Witness Printer took 71.62 ms. Allocated memory is still 2.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:26:14,033 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 0.22 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 367.41 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 Procedure Inliner took 20.29 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. * Boogie Preprocessor took 34.56 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 548.88 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 702.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -752.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2974.05 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB. * Witness Printer took 71.62 ms. Allocated memory is still 2.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation cannot identify Boogie2SMT function ~bvsgt32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation cannot identify Boogie2SMT function ~bvsgt32 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 16]: Loop Invariant [2018-11-23 11:26:14,041 WARN L1272 BoogieBacktranslator]: Unfinished Backtranslation cannot identify Boogie2SMT function ~bvsgt32 [2018-11-23 11:26:14,042 WARN L1272 BoogieBacktranslator]: Unfinished Backtranslation cannot identify Boogie2SMT function ~bvsgt32 Derived loop invariant: NULL - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 31 SDtfs, 10 SDslu, 80 SDs, 0 SdLazy, 26 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 9 PreInvPairs, 11 NumberOfFragments, 17 HoareAnnotationTreeSize, 9 FomulaSimplifications, 4 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 4 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 9 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...