/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union_cast.c_1.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-fb55353
[2019-11-06 21:11:02,572 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-11-06 21:11:02,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 21:11:02,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 21:11:02,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 21:11:02,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 21:11:02,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 21:11:02,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 21:11:02,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 21:11:02,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2019-11-06 21:11:02,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2019-11-06 21:11:02,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 21:11:02,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 21:11:02,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 21:11:02,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 21:11:02,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 21:11:02,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 21:11:02,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 21:11:02,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 21:11:02,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 21:11:02,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 21:11:02,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 21:11:02,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 21:11:02,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 21:11:02,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2019-11-06 21:11:02,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-11-06 21:11:02,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-06 21:11:02,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 21:11:02,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-06 21:11:02,689 INFO L113 SettingsManager]: Loading preferences was successful
[2019-11-06 21:11:02,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 21:11:02,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 21:11:02,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-11-06 21:11:02,693 INFO L138 SettingsManager]: * Use SBE=true
[2019-11-06 21:11:02,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 21:11:02,693 INFO L138 SettingsManager]: * sizeof long=4
[2019-11-06 21:11:02,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-11-06 21:11:02,694 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-11-06 21:11:02,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-11-06 21:11:02,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 21:11:02,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 21:11:02,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 21:11:02,696 INFO L138 SettingsManager]: * sizeof long double=12
[2019-11-06 21:11:02,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-11-06 21:11:02,697 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-11-06 21:11:02,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-11-06 21:11:02,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 21:11:02,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-11-06 21:11:02,697 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-11-06 21:11:02,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-11-06 21:11:02,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:11:02,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 21:11:02,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 21:11:02,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 21:11:02,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-11-06 21:11:02,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 21:11:02,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 21:11:02,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 21:11:02,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 21:11:03,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 21:11:03,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 21:11:03,016 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-11-06 21:11:03,016 INFO L275 PluginConnector]: CDTParser initialized
[2019-11-06 21:11:03,017 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast.c_1.i
[2019-11-06 21:11:03,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a63867ba/e3e59dbf97a7469784e91f3c70728fbb/FLAG2f96471f1
[2019-11-06 21:11:03,545 INFO L306 CDTParser]: Found 1 translation units.
[2019-11-06 21:11:03,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast.c_1.i
[2019-11-06 21:11:03,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a63867ba/e3e59dbf97a7469784e91f3c70728fbb/FLAG2f96471f1
[2019-11-06 21:11:03,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a63867ba/e3e59dbf97a7469784e91f3c70728fbb
[2019-11-06 21:11:03,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 21:11:03,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 21:11:03,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 21:11:03,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 21:11:03,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 21:11:03,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:11:03" (1/1) ...
[2019-11-06 21:11:03,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c028103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:03, skipping insertion in model container
[2019-11-06 21:11:03,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:11:03" (1/1) ...
[2019-11-06 21:11:03,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-11-06 21:11:03,969 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-11-06 21:11:04,130 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:11:04,134 INFO L188 MainTranslator]: Completed pre-run
[2019-11-06 21:11:04,150 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:11:04,173 INFO L192 MainTranslator]: Completed translation
[2019-11-06 21:11:04,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04 WrapperNode
[2019-11-06 21:11:04,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 21:11:04,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 21:11:04,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 21:11:04,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 21:11:04,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (1/1) ...
[2019-11-06 21:11:04,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (1/1) ...
[2019-11-06 21:11:04,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (1/1) ...
[2019-11-06 21:11:04,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (1/1) ...
[2019-11-06 21:11:04,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (1/1) ...
[2019-11-06 21:11:04,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (1/1) ...
[2019-11-06 21:11:04,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (1/1) ...
[2019-11-06 21:11:04,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 21:11:04,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 21:11:04,300 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 21:11:04,300 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-11-06 21:11:04,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (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
[2019-11-06 21:11:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 21:11:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 21:11:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert
[2019-11-06 21:11:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 21:11:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 21:11:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert
[2019-11-06 21:11:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-11-06 21:11:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 21:11:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2019-11-06 21:11:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 21:11:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 21:11:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 21:11:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 21:11:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 21:11:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2019-11-06 21:11:04,546 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 21:11:04,547 INFO L284 CfgBuilder]: Removed 0 assume(true) statements.
[2019-11-06 21:11:04,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:11:04 BoogieIcfgContainer
[2019-11-06 21:11:04,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 21:11:04,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 21:11:04,550 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 21:11:04,553 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-11-06 21:11:04,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:11:03" (1/3) ...
[2019-11-06 21:11:04,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd1d708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:11:04, skipping insertion in model container
[2019-11-06 21:11:04,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:04" (2/3) ...
[2019-11-06 21:11:04,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd1d708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:11:04, skipping insertion in model container
[2019-11-06 21:11:04,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:11:04" (3/3) ...
[2019-11-06 21:11:04,563 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union_cast.c_1.i
[2019-11-06 21:11:04,576 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 21:11:04,585 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 21:11:04,598 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 21:11:04,631 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-11-06 21:11:04,632 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-11-06 21:11:04,632 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 21:11:04,632 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 21:11:04,632 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 21:11:04,633 INFO L378 AbstractCegarLoop]: Difference is false
[2019-11-06 21:11:04,633 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 21:11:04,633 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 21:11:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states.
[2019-11-06 21:11:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2019-11-06 21:11:04,658 INFO L402 BasicCegarLoop]: Found error trace
[2019-11-06 21:11:04,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:11:04,661 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:11:04,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:11:04,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times
[2019-11-06 21:11:04,678 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:11:04,678 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868203812]
[2019-11-06 21:11:04,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:11:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:11:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:11:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-06 21:11:04,937 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868203812]
[2019-11-06 21:11:04,938 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:11:04,938 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-11-06 21:11:04,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797477882]
[2019-11-06 21:11:04,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-11-06 21:11:04,946 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:11:04,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-11-06 21:11:04,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-06 21:11:04,965 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states.
[2019-11-06 21:11:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:11:05,026 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions.
[2019-11-06 21:11:05,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2019-11-06 21:11:05,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2019-11-06 21:11:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:11:05,036 INFO L225 Difference]: With dead ends: 22
[2019-11-06 21:11:05,037 INFO L226 Difference]: Without dead ends: 0
[2019-11-06 21:11:05,040 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-06 21:11:05,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-11-06 21:11:05,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-11-06 21:11:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-11-06 21:11:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-11-06 21:11:05,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9
[2019-11-06 21:11:05,068 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:11:05,068 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-11-06 21:11:05,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-11-06 21:11:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-11-06 21:11:05,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-11-06 21:11:05,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-11-06 21:11:05,126 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2019-11-06 21:11:05,127 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2019-11-06 21:11:05,127 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-11-06 21:11:05,127 INFO L443 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed.
[2019-11-06 21:11:05,127 INFO L443 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed.
[2019-11-06 21:11:05,127 INFO L443 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed.
[2019-11-06 21:11:05,128 INFO L446 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true
[2019-11-06 21:11:05,128 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-11-06 21:11:05,128 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2019-11-06 21:11:05,128 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-11-06 21:11:05,128 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-11-06 21:11:05,128 INFO L439 ceAbstractionStarter]: At program point L34-2(line 34) the Hoare annotation is: false
[2019-11-06 21:11:05,129 INFO L443 ceAbstractionStarter]: For program point L34-3(line 34) no Hoare annotation was computed.
[2019-11-06 21:11:05,129 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 29 42) the Hoare annotation is: (= |#valid| |old(#valid)|)
[2019-11-06 21:11:05,129 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 29 42) no Hoare annotation was computed.
[2019-11-06 21:11:05,129 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 29 42) no Hoare annotation was computed.
[2019-11-06 21:11:05,130 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed.
[2019-11-06 21:11:05,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:11:05 BoogieIcfgContainer
[2019-11-06 21:11:05,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-11-06 21:11:05,136 INFO L168 Benchmark]: Toolchain (without parser) took 1206.05 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 105.1 MB in the beginning and 142.9 MB in the end (delta: -37.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB.
[2019-11-06 21:11:05,137 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 147.3 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-11-06 21:11:05,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.00 ms. Allocated memory is still 147.3 MB. Free memory was 105.1 MB in the beginning and 95.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2019-11-06 21:11:05,141 INFO L168 Benchmark]: Boogie Preprocessor took 124.31 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 95.4 MB in the beginning and 182.7 MB in the end (delta: -87.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
[2019-11-06 21:11:05,142 INFO L168 Benchmark]: RCFGBuilder took 249.35 ms. Allocated memory is still 205.0 MB. Free memory was 182.7 MB in the beginning and 171.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB.
[2019-11-06 21:11:05,143 INFO L168 Benchmark]: TraceAbstraction took 583.44 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 142.9 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB.
[2019-11-06 21:11:05,147 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46 ms. Allocated memory is still 147.3 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 238.00 ms. Allocated memory is still 147.3 MB. Free memory was 105.1 MB in the beginning and 95.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 124.31 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 95.4 MB in the beginning and 182.7 MB in the end (delta: -87.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 249.35 ms. Allocated memory is still 205.0 MB. Free memory was 182.7 MB in the beginning and 171.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 583.44 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 142.9 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 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. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 1 SDslu, 11 SDs, 0 SdLazy, 10 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 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 DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 17 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...