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/test_union_cast_true-termination.c_true-unreach-call_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:53,872 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:53,874 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:53,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:53,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:53,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:53,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:53,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:53,912 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:53,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:53,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:53,916 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:53,917 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:53,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:53,929 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:53,930 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:53,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:53,937 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:53,939 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:53,941 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:53,946 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:53,948 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:53,951 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:06:53,962 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:06:53,962 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:06:53,963 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:06:53,964 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:06:53,964 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 11:06:53,979 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:53,980 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:53,981 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:53,981 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:53,981 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:53,982 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:53,982 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:53,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:53,982 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:53,983 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:53,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:53,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:53,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:53,983 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:53,984 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:53,984 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:53,984 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:53,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:53,985 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:53,985 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:53,985 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:53,985 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:53,985 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:53,986 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:53,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:53,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:53,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:53,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:53,987 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:53,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:53,987 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:53,987 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:53,987 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:54,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:54,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:54,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:54,053 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:54,054 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:54,054 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast_true-termination.c_true-unreach-call_1.i [2018-11-23 11:06:54,120 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b489a08/442df6fbec2642e0ac58d8f6fe91745a/FLAGde7fb04b2 [2018-11-23 11:06:54,636 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:54,636 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast_true-termination.c_true-unreach-call_1.i [2018-11-23 11:06:54,643 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b489a08/442df6fbec2642e0ac58d8f6fe91745a/FLAGde7fb04b2 [2018-11-23 11:06:54,975 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b489a08/442df6fbec2642e0ac58d8f6fe91745a [2018-11-23 11:06:54,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:54,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:54,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:54,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:54,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:54,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:55,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415fb477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54, skipping insertion in model container [2018-11-23 11:06:55,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:55,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:55,040 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:55,314 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:55,325 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:55,351 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:55,398 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:55,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55 WrapperNode [2018-11-23 11:06:55,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:55,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:55,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:55,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:55,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:55,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:55,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:55,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:55,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (1/1) ... [2018-11-23 11:06:55,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:55,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:55,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:55,482 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:55,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (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 11:06:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:06:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 11:06:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-23 11:06:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-23 11:06:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-23 11:06:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 11:06:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 11:06:55,905 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 11:06:55,984 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:55,985 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:55,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:55 BoogieIcfgContainer [2018-11-23 11:06:55,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:55,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:55,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:56,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:56,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:54" (1/3) ... [2018-11-23 11:06:56,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3389a641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:56, skipping insertion in model container [2018-11-23 11:06:56,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:55" (2/3) ... [2018-11-23 11:06:56,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3389a641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:56, skipping insertion in model container [2018-11-23 11:06:56,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:55" (3/3) ... [2018-11-23 11:06:56,016 INFO L112 eAbstractionObserver]: Analyzing ICFG test_union_cast_true-termination.c_true-unreach-call_1.i [2018-11-23 11:06:56,040 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:56,050 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:56,077 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:56,113 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:56,114 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:56,114 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:56,114 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:56,114 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:56,115 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:56,115 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:56,115 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:56,115 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 11:06:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 11:06:56,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:56,143 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:56,145 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:56,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:56,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2018-11-23 11:06:56,156 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 11:06:56,156 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 11:06:56,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:56,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:56,417 INFO L256 TraceCheckUtils]: 0: Hoare triple {20#true} call ULTIMATE.init(); {20#true} is VALID [2018-11-23 11:06:56,421 INFO L273 TraceCheckUtils]: 1: Hoare triple {20#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {20#true} is VALID [2018-11-23 11:06:56,421 INFO L273 TraceCheckUtils]: 2: Hoare triple {20#true} assume true; {20#true} is VALID [2018-11-23 11:06:56,422 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {20#true} {20#true} #19#return; {20#true} is VALID [2018-11-23 11:06:56,422 INFO L256 TraceCheckUtils]: 4: Hoare triple {20#true} call #t~ret1 := main(); {20#true} is VALID [2018-11-23 11:06:56,425 INFO L273 TraceCheckUtils]: 5: Hoare triple {20#true} call ~#var~0.base, ~#var~0.offset := #Ultimate.alloc(8bv32);call write~intFLOATTYPE8(~to_fp~DOUBLE(~roundNearestTiesToEven, 20.0), ~#var~0.base, ~#var~0.offset, 8bv32);call write~intINTTYPE4(10bv32, ~#var~0.base, ~#var~0.offset, 4bv32);call #t~mem0 := read~intINTTYPE4(~#var~0.base, ~#var~0.offset, 4bv32); {40#(= (_ bv10 32) |main_#t~mem0|)} is VALID [2018-11-23 11:06:56,430 INFO L273 TraceCheckUtils]: 6: Hoare triple {40#(= (_ bv10 32) |main_#t~mem0|)} assume !(10bv32 == #t~mem0); {21#false} is VALID [2018-11-23 11:06:56,431 INFO L256 TraceCheckUtils]: 7: Hoare triple {21#false} call __blast_assert(); {21#false} is VALID [2018-11-23 11:06:56,431 INFO L273 TraceCheckUtils]: 8: Hoare triple {21#false} assume !false; {21#false} is VALID [2018-11-23 11:06:56,433 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 11:06:56,433 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:56,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:56,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:06:56,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 11:06:56,458 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:56,462 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 11:06:56,535 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:56,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:06:56,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:06:56,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:06:56,546 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-11-23 11:06:56,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:56,760 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-23 11:06:56,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:06:56,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 11:06:56,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:06:56,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-23 11:06:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:06:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-23 11:06:56,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 21 transitions. [2018-11-23 11:06:56,957 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:56,963 INFO L225 Difference]: With dead ends: 22 [2018-11-23 11:06:56,963 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:56,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:06:56,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:56,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:56,991 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:56,991 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,992 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,992 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:56,993 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:56,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:56,993 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:56,994 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,994 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:56,994 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:56,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:56,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:56,995 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:56,996 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:56,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-23 11:06:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:56,998 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:56,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:06:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:56,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:57,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:57,105 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:57,105 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:57,105 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:57,105 INFO L448 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2018-11-23 11:06:57,106 INFO L448 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-23 11:06:57,106 INFO L448 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2018-11-23 11:06:57,106 INFO L451 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2018-11-23 11:06:57,106 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:57,106 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:57,107 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:57,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:57,107 INFO L444 ceAbstractionStarter]: At program point L34-2(line 34) the Hoare annotation is: false [2018-11-23 11:06:57,107 INFO L448 ceAbstractionStarter]: For program point L34-3(line 34) no Hoare annotation was computed. [2018-11-23 11:06:57,108 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 29 42) the Hoare annotation is: true [2018-11-23 11:06:57,108 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 29 42) no Hoare annotation was computed. [2018-11-23 11:06:57,108 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 29 42) no Hoare annotation was computed. [2018-11-23 11:06:57,108 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 11:06:57,110 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:57,110 WARN L170 areAnnotationChecker]: __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 11:06:57,111 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 11:06:57,111 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2018-11-23 11:06:57,111 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:57,111 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 11:06:57,111 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:57,112 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2018-11-23 11:06:57,112 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2018-11-23 11:06:57,112 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:57,112 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-23 11:06:57,112 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:57,112 WARN L170 areAnnotationChecker]: L34-3 has no Hoare annotation [2018-11-23 11:06:57,113 WARN L170 areAnnotationChecker]: L34-3 has no Hoare annotation [2018-11-23 11:06:57,113 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:57,113 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:57,113 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:06:57,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:57 BoogieIcfgContainer [2018-11-23 11:06:57,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:57,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:57,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:57,117 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:57,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:55" (3/4) ... [2018-11-23 11:06:57,121 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:57,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:57,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-23 11:06:57,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:57,134 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 11:06:57,135 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 11:06:57,135 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:06:57,178 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test_union_cast_true-termination.c_true-unreach-call_1.i-witness.graphml [2018-11-23 11:06:57,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:57,180 INFO L168 Benchmark]: Toolchain (without parser) took 2192.06 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -682.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:57,181 INFO L168 Benchmark]: CDTParser took 0.25 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 11:06:57,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.49 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 11:06:57,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.46 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 11:06:57,183 INFO L168 Benchmark]: Boogie Preprocessor took 48.92 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 11:06:57,184 INFO L168 Benchmark]: RCFGBuilder took 510.90 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -759.1 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:57,185 INFO L168 Benchmark]: TraceAbstraction took 1122.19 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:57,186 INFO L168 Benchmark]: Witness Printer took 61.59 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:57,191 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 0.25 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 409.49 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 32.46 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 48.92 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 510.90 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -759.1 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1122.19 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. * Witness Printer took 61.59 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 4 procedures, 17 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 3 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...