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_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union_true-termination.c_true-unreach-call_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:54:10,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:54:10,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:54:10,679 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:54:10,679 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:54:10,681 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:54:10,682 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:54:10,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:54:10,685 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:54:10,686 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:54:10,687 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:54:10,687 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:54:10,688 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:54:10,689 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:54:10,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:54:10,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:54:10,692 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:54:10,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:54:10,696 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:54:10,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:54:10,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:54:10,700 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:54:10,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 12:54:10,715 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:54:10,732 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:54:10,732 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:54:10,733 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:54:10,733 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:54:10,733 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:54:10,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:54:10,735 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:54:10,735 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:54:10,735 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:54:10,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:54:10,736 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:54:10,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:54:10,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:54:10,737 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:54:10,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:54:10,737 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:54:10,737 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:54:10,737 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:54:10,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:54:10,738 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:54:10,738 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:54:10,738 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:54:10,738 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:54:10,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:54:10,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:54:10,740 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:54:10,740 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:54:10,740 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:54:10,741 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:54:10,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:54:10,741 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:54:10,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:54:10,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:54:10,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:54:10,828 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:54:10,828 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:54:10,829 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_true-termination.c_true-unreach-call_1.i [2018-11-23 12:54:10,889 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa6e6866/78b9a4dc797d45c4b35e4d602d5d345d/FLAG536257ec7 [2018-11-23 12:54:11,352 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:54:11,353 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_true-termination.c_true-unreach-call_1.i [2018-11-23 12:54:11,361 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa6e6866/78b9a4dc797d45c4b35e4d602d5d345d/FLAG536257ec7 [2018-11-23 12:54:11,700 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa6e6866/78b9a4dc797d45c4b35e4d602d5d345d [2018-11-23 12:54:11,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:54:11,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:54:11,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:11,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:54:11,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:54:11,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:11,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bbd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11, skipping insertion in model container [2018-11-23 12:54:11,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:11,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:54:11,750 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:54:11,937 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:11,941 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:54:11,961 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:11,985 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:54:11,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11 WrapperNode [2018-11-23 12:54:11,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:11,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:11,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:54:11,987 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:54:11,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:12,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:54:12,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:54:12,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:54:12,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (1/1) ... [2018-11-23 12:54:12,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:54:12,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:54:12,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:54:12,033 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:54:12,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (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 12:54:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:54:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:54:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:54:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:54:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-23 12:54:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-23 12:54:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:54:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:54:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:54:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:54:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:54:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:54:12,508 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:54:12,509 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:54:12,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:12 BoogieIcfgContainer [2018-11-23 12:54:12,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:54:12,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:54:12,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:54:12,513 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:54:12,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:11" (1/3) ... [2018-11-23 12:54:12,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336d1e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:12, skipping insertion in model container [2018-11-23 12:54:12,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:11" (2/3) ... [2018-11-23 12:54:12,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336d1e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:12, skipping insertion in model container [2018-11-23 12:54:12,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:12" (3/3) ... [2018-11-23 12:54:12,517 INFO L112 eAbstractionObserver]: Analyzing ICFG test_union_true-termination.c_true-unreach-call_1.i [2018-11-23 12:54:12,525 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:54:12,532 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:54:12,548 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:54:12,579 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:54:12,580 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:54:12,580 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:54:12,580 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:54:12,580 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:54:12,581 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:54:12,581 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:54:12,581 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:54:12,581 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:54:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 12:54:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 12:54:12,605 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:12,606 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:54:12,608 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:12,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:12,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2018-11-23 12:54:12,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:54:12,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:54:12,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:12,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:12,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:12,831 INFO L256 TraceCheckUtils]: 0: Hoare triple {20#true} call ULTIMATE.init(); {20#true} is VALID [2018-11-23 12:54:12,835 INFO L273 TraceCheckUtils]: 1: Hoare triple {20#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {20#true} is VALID [2018-11-23 12:54:12,835 INFO L273 TraceCheckUtils]: 2: Hoare triple {20#true} assume true; {20#true} is VALID [2018-11-23 12:54:12,835 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {20#true} {20#true} #19#return; {20#true} is VALID [2018-11-23 12:54:12,836 INFO L256 TraceCheckUtils]: 4: Hoare triple {20#true} call #t~ret1 := main(); {20#true} is VALID [2018-11-23 12:54:12,840 INFO L273 TraceCheckUtils]: 5: Hoare triple {20#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(4);call write~int(0, ~#x~0.base, ~#x~0.offset, 4);call #t~mem0 := read~int(~#x~0.base, ~#x~0.offset, 4); {22#(= |main_#t~mem0| 0)} is VALID [2018-11-23 12:54:12,844 INFO L273 TraceCheckUtils]: 6: Hoare triple {22#(= |main_#t~mem0| 0)} assume !(0 == #t~mem0); {21#false} is VALID [2018-11-23 12:54:12,844 INFO L256 TraceCheckUtils]: 7: Hoare triple {21#false} call __blast_assert(); {21#false} is VALID [2018-11-23 12:54:12,845 INFO L273 TraceCheckUtils]: 8: Hoare triple {21#false} assume !false; {21#false} is VALID [2018-11-23 12:54:12,848 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 12:54:12,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:54:12,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:54:12,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 12:54:12,862 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:54:12,866 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:54:12,928 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 12:54:12,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:54:12,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:54:12,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:54:12,943 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-11-23 12:54:13,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:13,258 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-23 12:54:13,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:54:13,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 12:54:13,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:54:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-23 12:54:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:54:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-23 12:54:13,277 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 21 transitions. [2018-11-23 12:54:13,489 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 12:54:13,496 INFO L225 Difference]: With dead ends: 22 [2018-11-23 12:54:13,496 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:54:13,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:54:13,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:54:13,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:54:13,522 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:54:13,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:13,523 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:13,524 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:13,524 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:13,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:13,525 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:13,525 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:13,525 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:13,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:13,525 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:13,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:13,526 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:13,526 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:54:13,526 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:54:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:54:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:54:13,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-23 12:54:13,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:13,528 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:54:13,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:54:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:13,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:13,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:54:13,732 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:13,732 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:13,732 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:13,732 INFO L448 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2018-11-23 12:54:13,732 INFO L448 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2018-11-23 12:54:13,733 INFO L451 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2018-11-23 12:54:13,733 INFO L448 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-23 12:54:13,733 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:13,733 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:54:13,733 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:13,734 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:13,734 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 23 31) the Hoare annotation is: true [2018-11-23 12:54:13,734 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 23 31) no Hoare annotation was computed. [2018-11-23 12:54:13,734 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-23 12:54:13,734 INFO L444 ceAbstractionStarter]: At program point L27-2(line 27) the Hoare annotation is: false [2018-11-23 12:54:13,734 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 23 31) no Hoare annotation was computed. [2018-11-23 12:54:13,734 INFO L448 ceAbstractionStarter]: For program point L27-3(line 27) no Hoare annotation was computed. [2018-11-23 12:54:13,736 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:13,736 WARN L170 areAnnotationChecker]: __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:54:13,736 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 12:54:13,736 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2018-11-23 12:54:13,737 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:13,737 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 12:54:13,737 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:13,737 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2018-11-23 12:54:13,737 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2018-11-23 12:54:13,737 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:54:13,737 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-23 12:54:13,738 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:13,738 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2018-11-23 12:54:13,738 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2018-11-23 12:54:13,738 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:13,738 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:54:13,738 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 12:54:13,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:54:13 BoogieIcfgContainer [2018-11-23 12:54:13,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:54:13,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:54:13,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:54:13,741 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:54:13,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:12" (3/4) ... [2018-11-23 12:54:13,745 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:54:13,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:54:13,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-23 12:54:13,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:54:13,755 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 12:54:13,755 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:54:13,755 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:54:13,790 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test_union_true-termination.c_true-unreach-call_1.i-witness.graphml [2018-11-23 12:54:13,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:54:13,791 INFO L168 Benchmark]: Toolchain (without parser) took 2081.23 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -732.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:13,793 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 12:54:13,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.26 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 12:54:13,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:13,795 INFO L168 Benchmark]: Boogie Preprocessor took 22.05 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 12:54:13,795 INFO L168 Benchmark]: RCFGBuilder took 476.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:13,796 INFO L168 Benchmark]: TraceAbstraction took 1230.64 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:13,797 INFO L168 Benchmark]: Witness Printer took 49.08 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:13,803 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 274.26 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 23.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.05 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 476.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1230.64 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. * Witness Printer took 49.08 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. 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, 1.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.5s 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, 3 GetRequests, 2 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, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 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...