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/ldv-regression/oomInt_true-termination.c_true-unreach-call_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:39,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:39,245 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:39,257 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:39,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:39,259 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:39,260 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:39,262 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:39,264 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:39,264 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:39,265 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:39,266 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:39,267 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:39,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:39,269 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:39,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:39,270 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:39,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:39,274 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:39,276 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:39,277 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:39,278 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:39,281 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:06:39,290 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 11:06:39,305 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:39,305 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:39,306 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:39,306 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:39,307 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:39,307 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:39,307 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:39,307 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:39,307 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:39,308 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:39,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:39,308 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:39,308 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:39,308 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:39,308 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:39,309 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:39,309 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:39,309 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:39,309 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:39,309 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:39,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:39,310 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:39,310 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:39,310 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:39,310 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:39,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:39,311 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:39,311 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:39,311 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:39,311 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:39,311 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:39,312 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:39,312 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:39,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:39,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:39,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:39,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:39,372 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:39,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt_true-termination.c_true-unreach-call_1.i [2018-11-23 11:06:39,436 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08d682ce/011e0c198a8c4695af8746768498c05d/FLAG2ccbe3a5a [2018-11-23 11:06:39,839 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:39,840 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt_true-termination.c_true-unreach-call_1.i [2018-11-23 11:06:39,846 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08d682ce/011e0c198a8c4695af8746768498c05d/FLAG2ccbe3a5a [2018-11-23 11:06:40,226 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08d682ce/011e0c198a8c4695af8746768498c05d [2018-11-23 11:06:40,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:40,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:40,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:40,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:40,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:40,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2a7694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40, skipping insertion in model container [2018-11-23 11:06:40,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:40,285 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:40,513 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:40,525 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:40,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:40,572 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:40,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40 WrapperNode [2018-11-23 11:06:40,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:40,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:40,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:40,574 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:40,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:40,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:40,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:40,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:40,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:40,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:40,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:40,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:40,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (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 11:06:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-23 11:06:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-23 11:06:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2018-11-23 11:06:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2018-11-23 11:06:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2018-11-23 11:06:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2018-11-23 11:06:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:41,179 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:41,179 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:41,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:41 BoogieIcfgContainer [2018-11-23 11:06:41,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:41,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:41,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:41,185 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:41,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:40" (1/3) ... [2018-11-23 11:06:41,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce53a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:41, skipping insertion in model container [2018-11-23 11:06:41,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (2/3) ... [2018-11-23 11:06:41,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce53a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:41, skipping insertion in model container [2018-11-23 11:06:41,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:41" (3/3) ... [2018-11-23 11:06:41,189 INFO L112 eAbstractionObserver]: Analyzing ICFG oomInt_true-termination.c_true-unreach-call_1.i [2018-11-23 11:06:41,199 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:41,207 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:41,222 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:41,262 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:41,263 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:41,263 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:41,263 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:41,263 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:41,264 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:41,264 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:41,264 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:41,264 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:41,293 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-23 11:06:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 11:06:41,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:41,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:41,304 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:41,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:41,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1466673143, now seen corresponding path program 1 times [2018-11-23 11:06:41,315 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:41,316 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 11:06:41,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:41,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:41,724 INFO L256 TraceCheckUtils]: 0: Hoare triple {27#true} call ULTIMATE.init(); {27#true} is VALID [2018-11-23 11:06:41,727 INFO L273 TraceCheckUtils]: 1: Hoare triple {27#true} ~p~0 := 0bv32; {27#true} is VALID [2018-11-23 11:06:41,728 INFO L273 TraceCheckUtils]: 2: Hoare triple {27#true} assume true; {27#true} is VALID [2018-11-23 11:06:41,728 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {27#true} {27#true} #27#return; {27#true} is VALID [2018-11-23 11:06:41,729 INFO L256 TraceCheckUtils]: 4: Hoare triple {27#true} call #t~ret1 := main(); {27#true} is VALID [2018-11-23 11:06:41,729 INFO L256 TraceCheckUtils]: 5: Hoare triple {27#true} call firstFunction(); {27#true} is VALID [2018-11-23 11:06:41,729 INFO L256 TraceCheckUtils]: 6: Hoare triple {27#true} call #t~ret0 := abs_int(4294967293bv32); {27#true} is VALID [2018-11-23 11:06:41,738 INFO L273 TraceCheckUtils]: 7: Hoare triple {27#true} ~i := #in~i; {53#(= |abs_int_#in~i| abs_int_~i)} is VALID [2018-11-23 11:06:41,739 INFO L273 TraceCheckUtils]: 8: Hoare triple {53#(= |abs_int_#in~i| abs_int_~i)} assume ~bvslt32(~i, 0bv32);#res := ~bvneg32(~i); {57#(= (bvneg |abs_int_#in~i|) |abs_int_#res|)} is VALID [2018-11-23 11:06:41,740 INFO L273 TraceCheckUtils]: 9: Hoare triple {57#(= (bvneg |abs_int_#in~i|) |abs_int_#res|)} assume true; {57#(= (bvneg |abs_int_#in~i|) |abs_int_#res|)} is VALID [2018-11-23 11:06:41,744 INFO L268 TraceCheckUtils]: 10: Hoare quadruple {57#(= (bvneg |abs_int_#in~i|) |abs_int_#res|)} {27#true} #31#return; {64#(= (_ bv3 32) |firstFunction_#t~ret0|)} is VALID [2018-11-23 11:06:41,746 INFO L273 TraceCheckUtils]: 11: Hoare triple {64#(= (_ bv3 32) |firstFunction_#t~ret0|)} ~p~0 := #t~ret0;havoc #t~ret0; {68#(= (_ bv3 32) ~p~0)} is VALID [2018-11-23 11:06:41,747 INFO L273 TraceCheckUtils]: 12: Hoare triple {68#(= (_ bv3 32) ~p~0)} assume !~bvsge32(~p~0, 0bv32); {28#false} is VALID [2018-11-23 11:06:41,747 INFO L256 TraceCheckUtils]: 13: Hoare triple {28#false} call __blast_assert(); {28#false} is VALID [2018-11-23 11:06:41,748 INFO L273 TraceCheckUtils]: 14: Hoare triple {28#false} assume !false; {28#false} is VALID [2018-11-23 11:06:41,751 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 11:06:41,753 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:41,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:41,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:06:41,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-23 11:06:41,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:41,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:06:41,984 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:41,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:06:41,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:06:41,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:06:41,999 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 6 states. [2018-11-23 11:06:42,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:42,580 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2018-11-23 11:06:42,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:06:42,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-23 11:06:42,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:06:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2018-11-23 11:06:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:06:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2018-11-23 11:06:42,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 44 transitions. [2018-11-23 11:06:42,709 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:42,720 INFO L225 Difference]: With dead ends: 43 [2018-11-23 11:06:42,720 INFO L226 Difference]: Without dead ends: 16 [2018-11-23 11:06:42,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:06:42,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-23 11:06:42,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-23 11:06:42,762 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:42,763 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2018-11-23 11:06:42,764 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-23 11:06:42,764 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-23 11:06:42,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:42,767 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-23 11:06:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-11-23 11:06:42,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:42,768 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:42,768 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-23 11:06:42,769 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-23 11:06:42,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:42,772 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-23 11:06:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-11-23 11:06:42,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:42,773 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:42,773 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:42,773 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:42,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-23 11:06:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-11-23 11:06:42,777 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2018-11-23 11:06:42,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:42,778 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-11-23 11:06:42,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:06:42,778 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-11-23 11:06:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 11:06:42,779 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:42,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:42,780 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:42,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:42,781 INFO L82 PathProgramCache]: Analyzing trace with hash -579169462, now seen corresponding path program 1 times [2018-11-23 11:06:42,781 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:42,781 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 11:06:42,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:42,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:43,164 INFO L256 TraceCheckUtils]: 0: Hoare triple {188#true} call ULTIMATE.init(); {188#true} is VALID [2018-11-23 11:06:43,165 INFO L273 TraceCheckUtils]: 1: Hoare triple {188#true} ~p~0 := 0bv32; {188#true} is VALID [2018-11-23 11:06:43,165 INFO L273 TraceCheckUtils]: 2: Hoare triple {188#true} assume true; {188#true} is VALID [2018-11-23 11:06:43,165 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {188#true} {188#true} #27#return; {188#true} is VALID [2018-11-23 11:06:43,165 INFO L256 TraceCheckUtils]: 4: Hoare triple {188#true} call #t~ret1 := main(); {188#true} is VALID [2018-11-23 11:06:43,166 INFO L256 TraceCheckUtils]: 5: Hoare triple {188#true} call firstFunction(); {188#true} is VALID [2018-11-23 11:06:43,166 INFO L256 TraceCheckUtils]: 6: Hoare triple {188#true} call #t~ret0 := abs_int(4294967293bv32); {188#true} is VALID [2018-11-23 11:06:43,168 INFO L273 TraceCheckUtils]: 7: Hoare triple {188#true} ~i := #in~i; {214#(= |abs_int_#in~i| abs_int_~i)} is VALID [2018-11-23 11:06:43,173 INFO L273 TraceCheckUtils]: 8: Hoare triple {214#(= |abs_int_#in~i| abs_int_~i)} assume !~bvslt32(~i, 0bv32);#res := ~i; {218#(not (bvslt |abs_int_#in~i| (_ bv0 32)))} is VALID [2018-11-23 11:06:43,175 INFO L273 TraceCheckUtils]: 9: Hoare triple {218#(not (bvslt |abs_int_#in~i| (_ bv0 32)))} assume true; {218#(not (bvslt |abs_int_#in~i| (_ bv0 32)))} is VALID [2018-11-23 11:06:43,176 INFO L268 TraceCheckUtils]: 10: Hoare quadruple {218#(not (bvslt |abs_int_#in~i| (_ bv0 32)))} {188#true} #31#return; {189#false} is VALID [2018-11-23 11:06:43,177 INFO L273 TraceCheckUtils]: 11: Hoare triple {189#false} ~p~0 := #t~ret0;havoc #t~ret0; {189#false} is VALID [2018-11-23 11:06:43,177 INFO L273 TraceCheckUtils]: 12: Hoare triple {189#false} assume !~bvsge32(~p~0, 0bv32); {189#false} is VALID [2018-11-23 11:06:43,177 INFO L256 TraceCheckUtils]: 13: Hoare triple {189#false} call __blast_assert(); {189#false} is VALID [2018-11-23 11:06:43,177 INFO L273 TraceCheckUtils]: 14: Hoare triple {189#false} assume !false; {189#false} is VALID [2018-11-23 11:06:43,179 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 11:06:43,180 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:43,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:43,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:06:43,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-23 11:06:43,185 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:43,185 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:06:43,213 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:43,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:06:43,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:06:43,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:06:43,214 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 4 states. [2018-11-23 11:06:43,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,320 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-23 11:06:43,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:06:43,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-23 11:06:43,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:06:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2018-11-23 11:06:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:06:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2018-11-23 11:06:43,326 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 15 transitions. [2018-11-23 11:06:43,370 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:43,371 INFO L225 Difference]: With dead ends: 16 [2018-11-23 11:06:43,371 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:43,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:06:43,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:43,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:43,373 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:43,373 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,373 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,373 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,374 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:43,376 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,377 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,377 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,378 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:43,378 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:43,378 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:43,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-23 11:06:43,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:43,379 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:43,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:06:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:43,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:43,572 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:43,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:43,572 INFO L448 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 5 8) no Hoare annotation was computed. [2018-11-23 11:06:43,572 INFO L448 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-11-23 11:06:43,572 INFO L448 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 5 8) no Hoare annotation was computed. [2018-11-23 11:06:43,573 INFO L451 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 5 8) the Hoare annotation is: true [2018-11-23 11:06:43,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:43,573 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:43,573 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:43,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:43,574 INFO L448 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-11-23 11:06:43,574 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 11:06:43,574 INFO L451 ceAbstractionStarter]: At program point firstFunctionENTRY(lines 26 30) the Hoare annotation is: true [2018-11-23 11:06:43,574 INFO L444 ceAbstractionStarter]: At program point L29-2(line 29) the Hoare annotation is: false [2018-11-23 11:06:43,574 INFO L448 ceAbstractionStarter]: For program point L29-3(lines 26 30) no Hoare annotation was computed. [2018-11-23 11:06:43,574 INFO L448 ceAbstractionStarter]: For program point firstFunctionEXIT(lines 26 30) no Hoare annotation was computed. [2018-11-23 11:06:43,574 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 23) no Hoare annotation was computed. [2018-11-23 11:06:43,575 INFO L448 ceAbstractionStarter]: For program point abs_intEXIT(lines 15 24) no Hoare annotation was computed. [2018-11-23 11:06:43,575 INFO L451 ceAbstractionStarter]: At program point abs_intENTRY(lines 15 24) the Hoare annotation is: true [2018-11-23 11:06:43,575 INFO L448 ceAbstractionStarter]: For program point abs_intFINAL(lines 15 24) no Hoare annotation was computed. [2018-11-23 11:06:43,575 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 32 35) the Hoare annotation is: true [2018-11-23 11:06:43,575 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 32 35) no Hoare annotation was computed. [2018-11-23 11:06:43,575 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 32 35) no Hoare annotation was computed. [2018-11-23 11:06:43,578 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:43,578 WARN L170 areAnnotationChecker]: __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 11:06:43,578 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 11:06:43,578 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2018-11-23 11:06:43,579 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2018-11-23 11:06:43,579 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:43,579 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:43,579 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 11:06:43,579 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:43,580 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2018-11-23 11:06:43,580 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2018-11-23 11:06:43,580 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2018-11-23 11:06:43,580 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:43,580 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:43,580 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-23 11:06:43,581 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:43,581 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2018-11-23 11:06:43,581 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2018-11-23 11:06:43,581 WARN L170 areAnnotationChecker]: abs_intFINAL has no Hoare annotation [2018-11-23 11:06:43,581 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:43,581 WARN L170 areAnnotationChecker]: L29-3 has no Hoare annotation [2018-11-23 11:06:43,582 WARN L170 areAnnotationChecker]: L29-3 has no Hoare annotation [2018-11-23 11:06:43,582 WARN L170 areAnnotationChecker]: abs_intEXIT has no Hoare annotation [2018-11-23 11:06:43,582 WARN L170 areAnnotationChecker]: firstFunctionEXIT has no Hoare annotation [2018-11-23 11:06:43,582 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. [2018-11-23 11:06:43,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:43 BoogieIcfgContainer [2018-11-23 11:06:43,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:43,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:43,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:43,586 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:43,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:41" (3/4) ... [2018-11-23 11:06:43,591 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:43,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:43,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-23 11:06:43,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure firstFunction [2018-11-23 11:06:43,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure abs_int [2018-11-23 11:06:43,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:43,605 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 11:06:43,606 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:06:43,650 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/oomInt_true-termination.c_true-unreach-call_1.i-witness.graphml [2018-11-23 11:06:43,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:43,651 INFO L168 Benchmark]: Toolchain (without parser) took 3413.13 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -629.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:43,653 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-23 11:06:43,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.45 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 11:06:43,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.63 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 11:06:43,654 INFO L168 Benchmark]: Boogie Preprocessor took 28.57 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 11:06:43,655 INFO L168 Benchmark]: RCFGBuilder took 550.92 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -769.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:43,656 INFO L168 Benchmark]: TraceAbstraction took 2403.85 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 116.1 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:43,657 INFO L168 Benchmark]: Witness Printer took 64.21 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:43,661 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 332.45 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 26.63 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 28.57 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 550.92 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -769.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2403.85 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 116.1 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. * Witness Printer took 64.21 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: 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.traceabstraction: - PositiveResult [Line: 7]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 12 SDslu, 73 SDs, 0 SdLazy, 31 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 8 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 672 SizeOfPredicates, 3 NumberOfNonLiveVariables, 56 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...