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_init7_ground-1.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 19:53:21,291 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 19:53:21,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 19:53:21,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 19:53:21,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 19:53:21,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 19:53:21,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 19:53:21,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 19:53:21,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 19:53:21,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2019-10-13 19:53:21,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 19:53:21,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 19:53:21,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 19:53:21,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 19:53:21,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 19:53:21,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 19:53:21,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2019-10-13 19:53:21,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 19:53:21,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-10-13 19:53:21,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 19:53:21,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2019-10-13 19:53:21,369 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 19:53:21,399 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 19:53:21,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 19:53:21,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 19:53:21,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 19:53:21,402 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 19:53:21,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 19:53:21,402 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 19:53:21,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 19:53:21,402 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 19:53:21,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 19:53:21,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 19:53:21,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 19:53:21,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 19:53:21,404 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 19:53:21,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 19:53:21,405 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 19:53:21,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 19:53:21,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 19:53:21,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 19:53:21,406 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 19:53:21,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 19:53:21,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 19:53:21,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 19:53:21,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 19:53:21,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 19:53:21,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 19:53:21,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 19:53:21,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 19:53:21,407 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 19:53:21,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 19:53:21,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 19:53:21,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 19:53:21,705 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 19:53:21,706 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 19:53:21,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_init7_ground-1.i
[2019-10-13 19:53:21,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194b98cc1/84a3ddac6562483898ec46730f0baead/FLAG1a53983fb
[2019-10-13 19:53:22,259 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 19:53:22,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_init7_ground-1.i
[2019-10-13 19:53:22,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194b98cc1/84a3ddac6562483898ec46730f0baead/FLAG1a53983fb
[2019-10-13 19:53:22,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194b98cc1/84a3ddac6562483898ec46730f0baead
[2019-10-13 19:53:22,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 19:53:22,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 19:53:22,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 19:53:22,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 19:53:22,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 19:53:22,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:22" (1/1) ...
[2019-10-13 19:53:22,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ea241b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:22, skipping insertion in model container
[2019-10-13 19:53:22,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:22" (1/1) ...
[2019-10-13 19:53:22,681 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 19:53:22,699 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 19:53:22,907 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:53:22,913 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 19:53:22,948 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:53:23,058 INFO L192 MainTranslator]: Completed translation
[2019-10-13 19:53:23,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23 WrapperNode
[2019-10-13 19:53:23,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 19:53:23,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 19:53:23,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 19:53:23,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 19:53:23,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (1/1) ...
[2019-10-13 19:53:23,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (1/1) ...
[2019-10-13 19:53:23,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (1/1) ...
[2019-10-13 19:53:23,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (1/1) ...
[2019-10-13 19:53:23,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (1/1) ...
[2019-10-13 19:53:23,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (1/1) ...
[2019-10-13 19:53:23,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (1/1) ...
[2019-10-13 19:53:23,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 19:53:23,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 19:53:23,102 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 19:53:23,102 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 19:53:23,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (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 19:53:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 19:53:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 19:53:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-13 19:53:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 19:53:23,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 19:53:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-13 19:53:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 19:53:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 19:53:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 19:53:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 19:53:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 19:53:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 19:53:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 19:53:23,471 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 19:53:23,471 INFO L284 CfgBuilder]: Removed 8 assume(true) statements.
[2019-10-13 19:53:23,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:23 BoogieIcfgContainer
[2019-10-13 19:53:23,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 19:53:23,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 19:53:23,474 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 19:53:23,477 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 19:53:23,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:53:22" (1/3) ...
[2019-10-13 19:53:23,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7752e33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:23, skipping insertion in model container
[2019-10-13 19:53:23,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:23" (2/3) ...
[2019-10-13 19:53:23,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7752e33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:23, skipping insertion in model container
[2019-10-13 19:53:23,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:23" (3/3) ...
[2019-10-13 19:53:23,480 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_init7_ground-1.i
[2019-10-13 19:53:23,487 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 19:53:23,494 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 19:53:23,505 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 19:53:23,529 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 19:53:23,529 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 19:53:23,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 19:53:23,530 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 19:53:23,530 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 19:53:23,530 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 19:53:23,530 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 19:53:23,530 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 19:53:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states.
[2019-10-13 19:53:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-10-13 19:53:23,553 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:23,553 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:53:23,555 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:23,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:23,560 INFO L82 PathProgramCache]: Analyzing trace with hash -190793262, now seen corresponding path program 1 times
[2019-10-13 19:53:23,567 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:23,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951876458]
[2019-10-13 19:53:23,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:23,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:23,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:23,680 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 19:53:23,680 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951876458]
[2019-10-13 19:53:23,681 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:53:23,682 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-10-13 19:53:23,682 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423009988]
[2019-10-13 19:53:23,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 19:53:23,688 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:23,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 19:53:23,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 19:53:23,705 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states.
[2019-10-13 19:53:23,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:23,731 INFO L93 Difference]: Finished difference Result 63 states and 94 transitions.
[2019-10-13 19:53:23,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 19:53:23,733 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25
[2019-10-13 19:53:23,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:23,740 INFO L225 Difference]: With dead ends: 63
[2019-10-13 19:53:23,740 INFO L226 Difference]: Without dead ends: 30
[2019-10-13 19:53:23,743 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 19:53:23,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2019-10-13 19:53:23,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2019-10-13 19:53:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2019-10-13 19:53:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions.
[2019-10-13 19:53:23,778 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 25
[2019-10-13 19:53:23,778 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:23,778 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions.
[2019-10-13 19:53:23,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 19:53:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions.
[2019-10-13 19:53:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-10-13 19:53:23,780 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:23,780 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:53:23,780 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:23,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:23,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1826977482, now seen corresponding path program 1 times
[2019-10-13 19:53:23,781 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:23,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046753206]
[2019-10-13 19:53:23,782 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:23,782 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:23,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:23,851 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 19:53:23,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046753206]
[2019-10-13 19:53:23,852 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:53:23,852 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 19:53:23,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586065408]
[2019-10-13 19:53:23,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 19:53:23,855 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:23,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 19:53:23,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 19:53:23,856 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 3 states.
[2019-10-13 19:53:23,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:23,954 INFO L93 Difference]: Finished difference Result 60 states and 80 transitions.
[2019-10-13 19:53:23,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 19:53:23,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25
[2019-10-13 19:53:23,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:23,956 INFO L225 Difference]: With dead ends: 60
[2019-10-13 19:53:23,956 INFO L226 Difference]: Without dead ends: 37
[2019-10-13 19:53:23,958 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 19:53:23,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2019-10-13 19:53:23,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2019-10-13 19:53:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2019-10-13 19:53:23,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions.
[2019-10-13 19:53:23,967 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 25
[2019-10-13 19:53:23,967 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:23,967 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions.
[2019-10-13 19:53:23,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 19:53:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions.
[2019-10-13 19:53:23,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2019-10-13 19:53:23,969 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:23,969 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:53:23,969 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:23,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:23,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1635964633, now seen corresponding path program 1 times
[2019-10-13 19:53:23,970 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:23,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697626897]
[2019-10-13 19:53:23,971 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:23,971 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:23,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-13 19:53:24,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697626897]
[2019-10-13 19:53:24,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315895409]
[2019-10-13 19:53:24,066 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 19:53:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:24,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core
[2019-10-13 19:53:24,147 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 19:53:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-13 19:53:24,189 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 19:53:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-13 19:53:24,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1532942296]
[2019-10-13 19:53:24,242 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 33
[2019-10-13 19:53:24,285 INFO L148 AbstractInterpreter]: Using domain IntervalDomain
[2019-10-13 19:53:24,286 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-13 19:53:24,336 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2019-10-13 19:53:24,338 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 17 variables.
[2019-10-13 19:53:24,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:24,341 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates
[2019-10-13 19:53:24,381 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes.
[2019-10-13 19:53:24,381 INFO L551 sIntCurrentIteration]: Unifying AI predicates
[2019-10-13 19:53:24,383 INFO L553 sIntCurrentIteration]: We unified 31 AI predicates to 31
[2019-10-13 19:53:24,384 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates
[2019-10-13 19:53:24,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences.
[2019-10-13 19:53:24,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4, 4] total 7
[2019-10-13 19:53:24,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949814542]
[2019-10-13 19:53:24,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 19:53:24,386 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:24,387 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy
[2019-10-13 19:53:24,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 19:53:24,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 19:53:24,387 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 2 states.
[2019-10-13 19:53:24,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:24,391 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions.
[2019-10-13 19:53:24,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 19:53:24,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32
[2019-10-13 19:53:24,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:24,391 INFO L225 Difference]: With dead ends: 37
[2019-10-13 19:53:24,392 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 19:53:24,392 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 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 19:53:24,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 19:53:24,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 19:53:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 19:53:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 19:53:24,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32
[2019-10-13 19:53:24,394 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:24,394 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 19:53:24,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 19:53:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 19:53:24,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 19:53:24,601 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:53:24,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 19:53:24,640 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:24,640 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true
[2019-10-13 19:53:24,641 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:24,641 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:24,641 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2019-10-13 19:53:24,641 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 19:53:24,641 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:24,642 INFO L439 ceAbstractionStarter]: At program point L31-2(lines 31 34) the Hoare annotation is: false
[2019-10-13 19:53:24,642 INFO L443 ceAbstractionStarter]: For program point L31-3(lines 31 34) no Hoare annotation was computed.
[2019-10-13 19:53:24,642 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 3 45) no Hoare annotation was computed.
[2019-10-13 19:53:24,642 INFO L439 ceAbstractionStarter]: At program point L11-2(lines 11 14) the Hoare annotation is: false
[2019-10-13 19:53:24,642 INFO L443 ceAbstractionStarter]: For program point L11-3(lines 11 14) no Hoare annotation was computed.
[2019-10-13 19:53:24,643 INFO L439 ceAbstractionStarter]: At program point L36-2(lines 36 39) the Hoare annotation is: false
[2019-10-13 19:53:24,644 INFO L443 ceAbstractionStarter]: For program point L36-3(lines 36 39) no Hoare annotation was computed.
[2019-10-13 19:53:24,644 INFO L439 ceAbstractionStarter]: At program point L16-2(lines 16 19) the Hoare annotation is: false
[2019-10-13 19:53:24,644 INFO L443 ceAbstractionStarter]: For program point L16-3(lines 16 19) no Hoare annotation was computed.
[2019-10-13 19:53:24,644 INFO L443 ceAbstractionStarter]: For program point L41-2(lines 41 43) no Hoare annotation was computed.
[2019-10-13 19:53:24,645 INFO L439 ceAbstractionStarter]: At program point L41-3(lines 41 43) the Hoare annotation is: false
[2019-10-13 19:53:24,645 INFO L443 ceAbstractionStarter]: For program point L41-4(lines 41 43) no Hoare annotation was computed.
[2019-10-13 19:53:24,645 INFO L439 ceAbstractionStarter]: At program point L21-2(lines 21 24) the Hoare annotation is: false
[2019-10-13 19:53:24,645 INFO L443 ceAbstractionStarter]: For program point L21-3(lines 21 24) no Hoare annotation was computed.
[2019-10-13 19:53:24,645 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 3 45) no Hoare annotation was computed.
[2019-10-13 19:53:24,645 INFO L439 ceAbstractionStarter]: At program point L42(line 42) the Hoare annotation is: false
[2019-10-13 19:53:24,646 INFO L443 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed.
[2019-10-13 19:53:24,646 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 3 45) the Hoare annotation is: true
[2019-10-13 19:53:24,646 INFO L439 ceAbstractionStarter]: At program point L26-2(lines 26 29) the Hoare annotation is: false
[2019-10-13 19:53:24,647 INFO L443 ceAbstractionStarter]: For program point L26-3(lines 26 29) no Hoare annotation was computed.
[2019-10-13 19:53:24,647 INFO L439 ceAbstractionStarter]: At program point L6-2(lines 6 9) the Hoare annotation is: false
[2019-10-13 19:53:24,647 INFO L443 ceAbstractionStarter]: For program point L6-3(lines 6 9) no Hoare annotation was computed.
[2019-10-13 19:53:24,648 INFO L443 ceAbstractionStarter]: For program point L2-1(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:24,649 INFO L443 ceAbstractionStarter]: For program point L2-3(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:24,649 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 2) the Hoare annotation is: true
[2019-10-13 19:53:24,649 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:24,650 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:24,650 INFO L443 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed.
[2019-10-13 19:53:24,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:53:24 BoogieIcfgContainer
[2019-10-13 19:53:24,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 19:53:24,665 INFO L168 Benchmark]: Toolchain (without parser) took 1996.82 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 94.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:24,668 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2019-10-13 19:53:24,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.83 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 181.2 MB in the end (delta: -79.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:24,671 INFO L168 Benchmark]: Boogie Preprocessor took 41.67 ms. Allocated memory is still 202.4 MB. Free memory was 181.2 MB in the beginning and 178.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:24,673 INFO L168 Benchmark]: RCFGBuilder took 371.69 ms. Allocated memory is still 202.4 MB. Free memory was 178.8 MB in the beginning and 162.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:24,679 INFO L168 Benchmark]: TraceAbstraction took 1187.57 ms. Allocated memory is still 202.4 MB. Free memory was 162.6 MB in the beginning and 94.3 MB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:24,691 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 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 391.83 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 181.2 MB in the end (delta: -79.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 41.67 ms. Allocated memory is still 202.4 MB. Free memory was 181.2 MB in the beginning and 178.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 371.69 ms. Allocated memory is still 202.4 MB. Free memory was 178.8 MB in the beginning and 162.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1187.57 ms. Allocated memory is still 202.4 MB. Free memory was 162.6 MB in the beginning and 94.3 MB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 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: 41]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 36]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 31]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 26]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 11]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 6]: Loop Invariant
Derived loop invariant: 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 35 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 77 SDtfs, 0 SDslu, 16 SDs, 0 SdLazy, 21 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=2, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 16 PreInvPairs, 16 NumberOfFragments, 14 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 4455 SizeOfPredicates, 1 NumberOfNonLiveVariables, 98 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 18/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 99, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9758064516129032, AVG_VARS_REMOVED_DURING_WEAKENING: 0.4838709677419355, AVG_WEAKENED_CONJUNCTS: 0.1935483870967742, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...