java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default-Const.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union_cast-1_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 19:10:32,726 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 19:10:32,729 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 19:10:32,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 19:10:32,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 19:10:32,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 19:10:32,752 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 19:10:32,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 19:10:32,757 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 19:10:32,758 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 19:10:32,760 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 19:10:32,760 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 19:10:32,762 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 19:10:32,763 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 19:10:32,771 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 19:10:32,772 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 19:10:32,772 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 19:10:32,774 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 19:10:32,776 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 19:10:32,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 19:10:32,780 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 19:10:32,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 19:10:32,784 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 19:10:32,797 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default-Const.epf [2018-11-14 19:10:32,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 19:10:32,824 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 19:10:32,825 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 19:10:32,825 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 19:10:32,829 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 19:10:32,830 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 19:10:32,830 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 19:10:32,830 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 19:10:32,830 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 19:10:32,831 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 19:10:32,832 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 19:10:32,832 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 19:10:32,832 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 19:10:32,832 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 19:10:32,833 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 19:10:32,833 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 19:10:32,833 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 19:10:32,833 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 19:10:32,833 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 19:10:32,833 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 19:10:32,835 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 19:10:32,835 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 19:10:32,835 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 19:10:32,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 19:10:32,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 19:10:32,836 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 19:10:32,836 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 19:10:32,836 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 19:10:32,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 19:10:32,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 19:10:32,837 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 19:10:32,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 19:10:32,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 19:10:32,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 19:10:32,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 19:10:32,929 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 19:10:32,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast-1_true-unreach-call_true-termination.i [2018-11-14 19:10:32,989 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120775c6e/aa58faf22981461483f337d902d2864f/FLAG89ac3df47 [2018-11-14 19:10:33,390 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 19:10:33,391 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast-1_true-unreach-call_true-termination.i [2018-11-14 19:10:33,398 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120775c6e/aa58faf22981461483f337d902d2864f/FLAG89ac3df47 [2018-11-14 19:10:33,412 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120775c6e/aa58faf22981461483f337d902d2864f [2018-11-14 19:10:33,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 19:10:33,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 19:10:33,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 19:10:33,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 19:10:33,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 19:10:33,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592c6757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33, skipping insertion in model container [2018-11-14 19:10:33,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 19:10:33,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 19:10:33,666 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 19:10:33,671 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 19:10:33,693 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 19:10:33,721 INFO L195 MainTranslator]: Completed translation [2018-11-14 19:10:33,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33 WrapperNode [2018-11-14 19:10:33,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 19:10:33,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 19:10:33,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 19:10:33,723 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 19:10:33,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (1/1) ... [2018-11-14 19:10:33,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 19:10:33,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 19:10:33,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 19:10:33,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 19:10:33,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 19:10:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 19:10:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 19:10:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 19:10:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 19:10:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 19:10:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 19:10:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-14 19:10:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2018-11-14 19:10:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2018-11-14 19:10:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 19:10:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 19:10:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-14 19:10:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-14 19:10:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-14 19:10:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 19:10:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 19:10:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 19:10:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-14 19:10:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-14 19:10:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-14 19:10:34,289 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 19:10:34,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:10:34 BoogieIcfgContainer [2018-11-14 19:10:34,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 19:10:34,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 19:10:34,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 19:10:34,296 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 19:10:34,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:10:33" (1/3) ... [2018-11-14 19:10:34,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6261fda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:10:34, skipping insertion in model container [2018-11-14 19:10:34,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:10:33" (2/3) ... [2018-11-14 19:10:34,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6261fda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:10:34, skipping insertion in model container [2018-11-14 19:10:34,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:10:34" (3/3) ... [2018-11-14 19:10:34,300 INFO L112 eAbstractionObserver]: Analyzing ICFG test_union_cast-1_true-unreach-call_true-termination.i [2018-11-14 19:10:34,312 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 19:10:34,322 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 19:10:34,339 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 19:10:34,371 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 19:10:34,372 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 19:10:34,372 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 19:10:34,372 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 19:10:34,372 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 19:10:34,373 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 19:10:34,373 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 19:10:34,373 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 19:10:34,373 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 19:10:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-14 19:10:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-14 19:10:34,400 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:10:34,401 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 19:10:34,404 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:10:34,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:10:34,411 INFO L82 PathProgramCache]: Analyzing trace with hash -715594688, now seen corresponding path program 1 times [2018-11-14 19:10:34,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:10:34,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:10:34,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:10:34,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:10:34,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:10:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:10:34,778 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-14 19:10:34,783 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CURRENTLY_SAFE~0 := 0; {21#true} is VALID [2018-11-14 19:10:34,783 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-14 19:10:34,783 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #23#return; {21#true} is VALID [2018-11-14 19:10:34,784 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret1 := main(); {21#true} is VALID [2018-11-14 19:10:34,797 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#var~0.base, ~#var~0.offset := #Ultimate.alloc(8);call write~real(20.0, ~#var~0.base, ~#var~0.offset + 0, 8);call write~int(10, ~#var~0.base, ~#var~0.offset + 0, 4);call #t~mem0 := read~int(~#var~0.base, ~#var~0.offset + 0, 4); {23#(= |main_#t~mem0| 10)} is VALID [2018-11-14 19:10:34,800 INFO L256 TraceCheckUtils]: 6: Hoare triple {23#(= |main_#t~mem0| 10)} call __VERIFIER_assert((if #t~mem0 % 4294967296 == 10 then 1 else 0)); {24#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-14 19:10:34,801 INFO L273 TraceCheckUtils]: 7: Hoare triple {24#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {25#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-14 19:10:34,807 INFO L273 TraceCheckUtils]: 8: Hoare triple {25#(= __VERIFIER_assert_~cond 1)} assume ~cond == 0; {22#false} is VALID [2018-11-14 19:10:34,807 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-14 19:10:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:10:34,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:10:34,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 19:10:34,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-14 19:10:34,821 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:10:34,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 19:10:34,904 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:10:34,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 19:10:34,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 19:10:34,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-14 19:10:34,918 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-14 19:10:35,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:10:35,410 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-14 19:10:35,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 19:10:35,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-14 19:10:35,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:10:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 19:10:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-14 19:10:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 19:10:35,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-14 19:10:35,429 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 24 transitions. [2018-11-14 19:10:35,499 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:10:35,505 INFO L225 Difference]: With dead ends: 25 [2018-11-14 19:10:35,505 INFO L226 Difference]: Without dead ends: 0 [2018-11-14 19:10:35,509 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-14 19:10:35,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-14 19:10:35,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-14 19:10:35,533 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:10:35,534 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-14 19:10:35,534 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 19:10:35,535 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 19:10:35,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:10:35,536 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 19:10:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 19:10:35,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:10:35,536 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:10:35,537 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 19:10:35,537 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 19:10:35,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:10:35,537 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 19:10:35,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 19:10:35,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:10:35,538 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:10:35,538 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:10:35,538 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:10:35,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-14 19:10:35,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-14 19:10:35,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-14 19:10:35,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:10:35,541 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-14 19:10:35,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 19:10:35,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 19:10:35,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:10:35,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-14 19:10:35,873 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-14 19:10:35,873 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-14 19:10:35,873 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-14 19:10:35,873 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-14 19:10:35,874 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-14 19:10:35,874 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-14 19:10:35,874 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-14 19:10:35,874 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 32 45) the Hoare annotation is: true [2018-11-14 19:10:35,874 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 32 45) no Hoare annotation was computed. [2018-11-14 19:10:35,874 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 32 45) no Hoare annotation was computed. [2018-11-14 19:10:35,875 INFO L421 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: (= |main_#t~mem0| 10) [2018-11-14 19:10:35,875 INFO L425 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2018-11-14 19:10:35,875 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-14 19:10:35,875 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-14 19:10:35,875 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-14 19:10:35,876 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-14 19:10:35,876 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-14 19:10:35,876 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-14 19:10:35,878 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 19:10:35,892 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 19:10:35,892 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 19:10:35,892 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 19:10:35,893 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2018-11-14 19:10:35,893 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 19:10:35,893 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 19:10:35,893 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 19:10:35,893 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 19:10:35,894 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2018-11-14 19:10:35,894 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-14 19:10:35,894 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-14 19:10:35,894 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-14 19:10:35,894 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 19:10:35,894 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-14 19:10:35,895 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 19:10:35,895 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 19:10:35,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:10:35 BoogieIcfgContainer [2018-11-14 19:10:35,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 19:10:35,899 INFO L168 Benchmark]: Toolchain (without parser) took 2477.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -722.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2018-11-14 19:10:35,902 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. [2018-11-14 19:10:35,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-14 19:10:35,903 INFO L168 Benchmark]: Boogie Preprocessor took 41.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 19:10:35,904 INFO L168 Benchmark]: RCFGBuilder took 526.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2018-11-14 19:10:35,905 INFO L168 Benchmark]: TraceAbstraction took 1605.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2018-11-14 19:10:35,910 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 299.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.75 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 526.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1605.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 31 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 8 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...