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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/array-examples/standard_reverse_ground.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 19:53:27,570 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 19:53:27,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 19:53:27,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 19:53:27,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 19:53:27,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 19:53:27,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 19:53:27,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 19:53:27,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 19:53:27,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 19:53:27,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 19:53:27,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 19:53:27,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 19:53:27,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 19:53:27,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 19:53:27,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 19:53:27,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 19:53:27,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 19:53:27,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 19:53:27,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 19:53:27,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 19:53:27,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 19:53:27,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 19:53:27,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 19:53:27,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 19:53:27,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 19:53:27,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 19:53:27,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 19:53:27,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2019-10-13 19:53:27,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 19:53:27,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 19:53:27,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2019-10-13 19:53:27,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-13 19:53:27,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 19:53:27,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 19:53:27,639 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
[2019-10-13 19:53:27,653 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 19:53:27,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 19:53:27,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 19:53:27,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 19:53:27,655 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 19:53:27,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 19:53:27,655 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 19:53:27,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 19:53:27,655 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 19:53:27,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 19:53:27,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 19:53:27,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 19:53:27,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 19:53:27,656 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 19:53:27,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 19:53:27,657 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 19:53:27,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 19:53:27,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 19:53:27,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 19:53:27,658 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 19:53:27,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 19:53:27,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 19:53:27,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 19:53:27,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 19:53:27,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 19:53:27,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 19:53:27,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 19:53:27,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 19:53:27,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES
[2019-10-13 19:53:27,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 19:53:27,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 19:53:27,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 19:53:27,950 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 19:53:27,950 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 19:53:27,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_reverse_ground.i
[2019-10-13 19:53:28,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be7d78cf/5b5f6bc76211480fb05b1cd60d61e714/FLAG29733568b
[2019-10-13 19:53:28,444 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 19:53:28,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_reverse_ground.i
[2019-10-13 19:53:28,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be7d78cf/5b5f6bc76211480fb05b1cd60d61e714/FLAG29733568b
[2019-10-13 19:53:28,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be7d78cf/5b5f6bc76211480fb05b1cd60d61e714
[2019-10-13 19:53:28,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 19:53:28,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 19:53:28,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 19:53:28,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 19:53:28,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 19:53:28,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:28" (1/1) ...
[2019-10-13 19:53:28,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b66671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:28, skipping insertion in model container
[2019-10-13 19:53:28,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:28" (1/1) ...
[2019-10-13 19:53:28,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 19:53:28,915 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 19:53:29,078 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:53:29,082 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 19:53:29,105 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:53:29,126 INFO L192 MainTranslator]: Completed translation
[2019-10-13 19:53:29,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29 WrapperNode
[2019-10-13 19:53:29,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 19:53:29,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 19:53:29,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 19:53:29,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 19:53:29,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (1/1) ...
[2019-10-13 19:53:29,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (1/1) ...
[2019-10-13 19:53:29,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (1/1) ...
[2019-10-13 19:53:29,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (1/1) ...
[2019-10-13 19:53:29,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (1/1) ...
[2019-10-13 19:53:29,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (1/1) ...
[2019-10-13 19:53:29,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (1/1) ...
[2019-10-13 19:53:29,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 19:53:29,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 19:53:29,252 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 19:53:29,252 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 19:53:29,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (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
[2019-10-13 19:53:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 19:53:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 19:53:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-13 19:53:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 19:53:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 19:53:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-13 19:53:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 19:53:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 19:53:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 19:53:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 19:53:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 19:53:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 19:53:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 19:53:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 19:53:29,540 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 19:53:29,540 INFO L284 CfgBuilder]: Removed 3 assume(true) statements.
[2019-10-13 19:53:29,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:29 BoogieIcfgContainer
[2019-10-13 19:53:29,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 19:53:29,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 19:53:29,543 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 19:53:29,546 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 19:53:29,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:53:28" (1/3) ...
[2019-10-13 19:53:29,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346862f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:29, skipping insertion in model container
[2019-10-13 19:53:29,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:29" (2/3) ...
[2019-10-13 19:53:29,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346862f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:29, skipping insertion in model container
[2019-10-13 19:53:29,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:29" (3/3) ...
[2019-10-13 19:53:29,550 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_reverse_ground.i
[2019-10-13 19:53:29,563 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 19:53:29,570 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 19:53:29,587 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 19:53:29,625 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 19:53:29,625 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 19:53:29,625 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 19:53:29,625 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 19:53:29,626 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 19:53:29,626 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 19:53:29,626 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 19:53:29,626 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 19:53:29,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states.
[2019-10-13 19:53:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2019-10-13 19:53:29,683 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:29,687 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:53:29,690 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:29,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1778002988, now seen corresponding path program 1 times
[2019-10-13 19:53:29,707 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:29,707 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812806591]
[2019-10-13 19:53:29,707 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:29,708 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:29,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:29,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:53:29,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812806591]
[2019-10-13 19:53:29,823 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:53:29,824 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-10-13 19:53:29,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981607153]
[2019-10-13 19:53:29,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 19:53:29,830 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:29,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 19:53:29,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 19:53:29,847 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states.
[2019-10-13 19:53:29,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:29,871 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions.
[2019-10-13 19:53:29,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 19:53:29,873 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15
[2019-10-13 19:53:29,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:29,881 INFO L225 Difference]: With dead ends: 46
[2019-10-13 19:53:29,881 INFO L226 Difference]: Without dead ends: 22
[2019-10-13 19:53:29,885 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 19:53:29,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2019-10-13 19:53:29,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2019-10-13 19:53:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2019-10-13 19:53:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions.
[2019-10-13 19:53:29,926 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 15
[2019-10-13 19:53:29,927 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:29,927 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions.
[2019-10-13 19:53:29,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 19:53:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions.
[2019-10-13 19:53:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2019-10-13 19:53:29,928 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:29,928 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:53:29,929 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:29,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:29,929 INFO L82 PathProgramCache]: Analyzing trace with hash -262172122, now seen corresponding path program 1 times
[2019-10-13 19:53:29,930 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:29,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658833953]
[2019-10-13 19:53:29,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:29,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:29,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:53:30,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658833953]
[2019-10-13 19:53:30,001 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:53:30,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 19:53:30,003 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770620944]
[2019-10-13 19:53:30,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 19:53:30,005 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:30,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 19:53:30,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 19:53:30,005 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 3 states.
[2019-10-13 19:53:30,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:30,047 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions.
[2019-10-13 19:53:30,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 19:53:30,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15
[2019-10-13 19:53:30,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:30,049 INFO L225 Difference]: With dead ends: 40
[2019-10-13 19:53:30,050 INFO L226 Difference]: Without dead ends: 26
[2019-10-13 19:53:30,051 INFO L600 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
[2019-10-13 19:53:30,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2019-10-13 19:53:30,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24.
[2019-10-13 19:53:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2019-10-13 19:53:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2019-10-13 19:53:30,058 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 15
[2019-10-13 19:53:30,058 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:30,058 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2019-10-13 19:53:30,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 19:53:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2019-10-13 19:53:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2019-10-13 19:53:30,060 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:30,060 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:53:30,060 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:30,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:30,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1323409058, now seen corresponding path program 1 times
[2019-10-13 19:53:30,061 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:30,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665905102]
[2019-10-13 19:53:30,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:30,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:30,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-13 19:53:30,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665905102]
[2019-10-13 19:53:30,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631885712]
[2019-10-13 19:53:30,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:53:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:30,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core
[2019-10-13 19:53:30,258 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 19:53:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-13 19:53:30,297 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 19:53:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-13 19:53:30,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1036753605]
[2019-10-13 19:53:30,349 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 20
[2019-10-13 19:53:30,408 INFO L148 AbstractInterpreter]: Using domain IntervalDomain
[2019-10-13 19:53:30,408 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-13 19:53:30,466 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2019-10-13 19:53:30,468 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 24 variables.
[2019-10-13 19:53:30,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:30,471 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates
[2019-10-13 19:53:30,505 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes.
[2019-10-13 19:53:30,505 INFO L551 sIntCurrentIteration]: Unifying AI predicates
[2019-10-13 19:53:30,507 INFO L553 sIntCurrentIteration]: We unified 18 AI predicates to 18
[2019-10-13 19:53:30,507 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates
[2019-10-13 19:53:30,508 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences.
[2019-10-13 19:53:30,508 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4, 4] total 7
[2019-10-13 19:53:30,508 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945189900]
[2019-10-13 19:53:30,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 19:53:30,510 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:30,510 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy
[2019-10-13 19:53:30,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 19:53:30,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 19:53:30,511 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 2 states.
[2019-10-13 19:53:30,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:30,513 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions.
[2019-10-13 19:53:30,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 19:53:30,513 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19
[2019-10-13 19:53:30,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:30,514 INFO L225 Difference]: With dead ends: 24
[2019-10-13 19:53:30,514 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 19:53:30,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 19:53:30,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 19:53:30,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 19:53:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 19:53:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 19:53:30,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19
[2019-10-13 19:53:30,516 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:30,516 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 19:53:30,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 19:53:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 19:53:30,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 19:53:30,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:53:30,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 19:53:30,760 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:30,761 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true
[2019-10-13 19:53:30,761 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:30,761 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:30,761 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2019-10-13 19:53:30,761 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 19:53:30,761 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:30,762 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 5 20) no Hoare annotation was computed.
[2019-10-13 19:53:30,762 INFO L439 ceAbstractionStarter]: At program point L17(line 17) the Hoare annotation is: false
[2019-10-13 19:53:30,762 INFO L443 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed.
[2019-10-13 19:53:30,762 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 5 20) no Hoare annotation was computed.
[2019-10-13 19:53:30,762 INFO L443 ceAbstractionStarter]: For program point L9-2(lines 9 11) no Hoare annotation was computed.
[2019-10-13 19:53:30,763 INFO L439 ceAbstractionStarter]: At program point L9-3(lines 9 11) the Hoare annotation is: false
[2019-10-13 19:53:30,763 INFO L443 ceAbstractionStarter]: For program point L9-4(lines 9 11) no Hoare annotation was computed.
[2019-10-13 19:53:30,763 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 5 20) the Hoare annotation is: true
[2019-10-13 19:53:30,763 INFO L443 ceAbstractionStarter]: For program point L16-2(lines 16 18) no Hoare annotation was computed.
[2019-10-13 19:53:30,763 INFO L439 ceAbstractionStarter]: At program point L16-3(lines 16 18) the Hoare annotation is: false
[2019-10-13 19:53:30,763 INFO L443 ceAbstractionStarter]: For program point L16-4(lines 16 18) no Hoare annotation was computed.
[2019-10-13 19:53:30,764 INFO L443 ceAbstractionStarter]: For program point L12-2(lines 12 14) no Hoare annotation was computed.
[2019-10-13 19:53:30,764 INFO L439 ceAbstractionStarter]: At program point L12-3(lines 12 14) the Hoare annotation is: false
[2019-10-13 19:53:30,764 INFO L443 ceAbstractionStarter]: For program point L12-4(lines 12 14) no Hoare annotation was computed.
[2019-10-13 19:53:30,766 INFO L443 ceAbstractionStarter]: For program point L2-1(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:30,766 INFO L443 ceAbstractionStarter]: For program point L2-3(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:30,766 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 2) the Hoare annotation is: true
[2019-10-13 19:53:30,766 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:30,767 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:30,767 INFO L443 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:30,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:53:30 BoogieIcfgContainer
[2019-10-13 19:53:30,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 19:53:30,781 INFO L168 Benchmark]: Toolchain (without parser) took 1898.20 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 108.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:30,783 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-10-13 19:53:30,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.15 ms. Allocated memory is still 145.2 MB. Free memory was 101.9 MB in the beginning and 92.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:30,787 INFO L168 Benchmark]: Boogie Preprocessor took 124.24 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.0 MB in the beginning and 179.9 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:30,789 INFO L168 Benchmark]: RCFGBuilder took 289.82 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 165.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:30,795 INFO L168 Benchmark]: TraceAbstraction took 1234.57 ms. Allocated memory is still 202.4 MB. Free memory was 165.0 MB in the beginning and 108.0 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:30,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 245.15 ms. Allocated memory is still 145.2 MB. Free memory was 101.9 MB in the beginning and 92.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 124.24 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.0 MB in the beginning and 179.9 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 289.82 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 165.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1234.57 ms. Allocated memory is still 202.4 MB. Free memory was 165.0 MB in the beginning and 108.0 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 2]: 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
- InvariantResult [Line: 9]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 12]: Loop Invariant
Derived loop invariant: 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 27 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 54 SDtfs, 2 SDslu, 16 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 9 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 1716 SizeOfPredicates, 1 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 123, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9305555555555556, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8888888888888888, AVG_WEAKENED_CONJUNCTS: 0.3333333333333333, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...