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_partition_ground-1.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 19:53:23,815 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 19:53:23,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 19:53:23,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 19:53:23,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 19:53:23,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 19:53:23,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 19:53:23,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2019-10-13 19:53:23,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 19:53:23,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
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[2019-10-13 19:53:23,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 19:53:23,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 19:53:23,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 19:53:23,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 19:53:23,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
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[2019-10-13 19:53:23,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2019-10-13 19:53:23,884 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 19:53:23,904 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 19:53:23,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 19:53:23,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 19:53:23,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 19:53:23,906 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 19:53:23,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 19:53:23,907 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 19:53:23,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 19:53:23,908 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 19:53:23,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 19:53:23,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 19:53:23,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 19:53:23,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 19:53:23,910 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 19:53:23,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 19:53:23,910 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 19:53:23,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 19:53:23,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 19:53:23,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 19:53:23,911 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 19:53:23,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 19:53:23,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 19:53:23,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 19:53:23,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 19:53:23,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 19:53:23,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 19:53:23,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 19:53:23,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 19:53:23,913 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 19:53:24,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 19:53:24,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 19:53:24,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 19:53:24,254 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 19:53:24,254 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 19:53:24,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_partition_ground-1.i
[2019-10-13 19:53:24,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cc52f6ca/1f949db387ef4b96b5a5ef3dce0d5f36/FLAG567b0c0ad
[2019-10-13 19:53:24,792 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 19:53:24,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_partition_ground-1.i
[2019-10-13 19:53:24,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cc52f6ca/1f949db387ef4b96b5a5ef3dce0d5f36/FLAG567b0c0ad
[2019-10-13 19:53:25,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cc52f6ca/1f949db387ef4b96b5a5ef3dce0d5f36
[2019-10-13 19:53:25,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 19:53:25,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 19:53:25,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 19:53:25,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 19:53:25,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 19:53:25,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7ec095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25, skipping insertion in model container
[2019-10-13 19:53:25,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,191 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 19:53:25,213 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 19:53:25,402 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:53:25,406 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 19:53:25,429 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:53:25,448 INFO L192 MainTranslator]: Completed translation
[2019-10-13 19:53:25,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25 WrapperNode
[2019-10-13 19:53:25,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 19:53:25,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 19:53:25,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 19:53:25,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 19:53:25,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (1/1) ...
[2019-10-13 19:53:25,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 19:53:25,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 19:53:25,573 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 19:53:25,575 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 19:53:25,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (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 19:53:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 19:53:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 19:53:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-13 19:53:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 19:53:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 19:53:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 19:53:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-13 19:53:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 19:53:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 19:53:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 19:53:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 19:53:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 19:53:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 19:53:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 19:53:25,932 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 19:53:25,932 INFO L284 CfgBuilder]: Removed 4 assume(true) statements.
[2019-10-13 19:53:25,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:25 BoogieIcfgContainer
[2019-10-13 19:53:25,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 19:53:25,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 19:53:25,935 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 19:53:25,938 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 19:53:25,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:53:25" (1/3) ...
[2019-10-13 19:53:25,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecf8296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:25, skipping insertion in model container
[2019-10-13 19:53:25,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:25" (2/3) ...
[2019-10-13 19:53:25,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecf8296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:25, skipping insertion in model container
[2019-10-13 19:53:25,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:25" (3/3) ...
[2019-10-13 19:53:25,942 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_partition_ground-1.i
[2019-10-13 19:53:25,959 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 19:53:25,971 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 19:53:25,994 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 19:53:26,017 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 19:53:26,017 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 19:53:26,017 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 19:53:26,017 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 19:53:26,018 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 19:53:26,018 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 19:53:26,018 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 19:53:26,018 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 19:53:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states.
[2019-10-13 19:53:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2019-10-13 19:53:26,040 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:26,041 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:53:26,043 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:26,048 INFO L82 PathProgramCache]: Analyzing trace with hash -825680561, now seen corresponding path program 1 times
[2019-10-13 19:53:26,055 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:26,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458254266]
[2019-10-13 19:53:26,056 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:26,056 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:26,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:26,188 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 19:53:26,189 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458254266]
[2019-10-13 19:53:26,190 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:53:26,190 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-10-13 19:53:26,191 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678980704]
[2019-10-13 19:53:26,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 19:53:26,197 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:26,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 19:53:26,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 19:53:26,215 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states.
[2019-10-13 19:53:26,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:26,243 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions.
[2019-10-13 19:53:26,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 19:53:26,244 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15
[2019-10-13 19:53:26,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:26,255 INFO L225 Difference]: With dead ends: 59
[2019-10-13 19:53:26,255 INFO L226 Difference]: Without dead ends: 29
[2019-10-13 19:53:26,259 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 19:53:26,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2019-10-13 19:53:26,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2019-10-13 19:53:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states.
[2019-10-13 19:53:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions.
[2019-10-13 19:53:26,305 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 15
[2019-10-13 19:53:26,306 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:26,306 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions.
[2019-10-13 19:53:26,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 19:53:26,306 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions.
[2019-10-13 19:53:26,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2019-10-13 19:53:26,307 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:26,308 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:53:26,308 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:26,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:26,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1876449348, now seen corresponding path program 1 times
[2019-10-13 19:53:26,309 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:26,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293765068]
[2019-10-13 19:53:26,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:26,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:26,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:26,378 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 19:53:26,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293765068]
[2019-10-13 19:53:26,380 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:53:26,380 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 19:53:26,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701395923]
[2019-10-13 19:53:26,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 19:53:26,383 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:26,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 19:53:26,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 19:53:26,384 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand 3 states.
[2019-10-13 19:53:26,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:26,457 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions.
[2019-10-13 19:53:26,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 19:53:26,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15
[2019-10-13 19:53:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:26,460 INFO L225 Difference]: With dead ends: 55
[2019-10-13 19:53:26,460 INFO L226 Difference]: Without dead ends: 35
[2019-10-13 19:53:26,462 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 19:53:26,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2019-10-13 19:53:26,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31.
[2019-10-13 19:53:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states.
[2019-10-13 19:53:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions.
[2019-10-13 19:53:26,477 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 15
[2019-10-13 19:53:26,478 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:26,478 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions.
[2019-10-13 19:53:26,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 19:53:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions.
[2019-10-13 19:53:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2019-10-13 19:53:26,479 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:53:26,479 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]
[2019-10-13 19:53:26,480 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:53:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:26,480 INFO L82 PathProgramCache]: Analyzing trace with hash -684235798, now seen corresponding path program 1 times
[2019-10-13 19:53:26,481 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 19:53:26,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875984701]
[2019-10-13 19:53:26,481 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:26,481 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:53:26,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:53:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:26,605 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 19:53:26,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875984701]
[2019-10-13 19:53:26,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24038700]
[2019-10-13 19:53:26,608 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 19:53:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:53:26,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core
[2019-10-13 19:53:26,679 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 19:53:26,709 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 19:53:26,710 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 19:53:26,744 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 19:53:26,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [991401352]
[2019-10-13 19:53:26,751 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 22
[2019-10-13 19:53:26,792 INFO L148 AbstractInterpreter]: Using domain IntervalDomain
[2019-10-13 19:53:26,793 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-13 19:53:26,855 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2019-10-13 19:53:26,857 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 28 variables.
[2019-10-13 19:53:26,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:53:26,861 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates
[2019-10-13 19:53:26,915 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes.
[2019-10-13 19:53:26,915 INFO L551 sIntCurrentIteration]: Unifying AI predicates
[2019-10-13 19:53:26,921 INFO L553 sIntCurrentIteration]: We unified 20 AI predicates to 20
[2019-10-13 19:53:26,921 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates
[2019-10-13 19:53:26,922 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences.
[2019-10-13 19:53:26,922 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4, 4] total 7
[2019-10-13 19:53:26,922 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183313916]
[2019-10-13 19:53:26,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 19:53:26,924 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN
[2019-10-13 19:53:26,924 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy
[2019-10-13 19:53:26,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 19:53:26,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 19:53:26,927 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand 2 states.
[2019-10-13 19:53:26,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:53:26,930 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions.
[2019-10-13 19:53:26,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 19:53:26,930 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21
[2019-10-13 19:53:26,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:53:26,931 INFO L225 Difference]: With dead ends: 31
[2019-10-13 19:53:26,931 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 19:53:26,932 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 19:53:26,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 19:53:26,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 19:53:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 19:53:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 19:53:26,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21
[2019-10-13 19:53:26,933 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:53:26,933 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 19:53:26,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 19:53:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 19:53:26,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 19:53:27,137 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:53:27,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 19:53:27,195 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:27,196 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true
[2019-10-13 19:53:27,196 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:27,196 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:27,196 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2019-10-13 19:53:27,196 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 19:53:27,197 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 19:53:27,197 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 4 36) no Hoare annotation was computed.
[2019-10-13 19:53:27,197 INFO L443 ceAbstractionStarter]: For program point L32-2(lines 32 34) no Hoare annotation was computed.
[2019-10-13 19:53:27,197 INFO L439 ceAbstractionStarter]: At program point L32-3(lines 32 34) the Hoare annotation is: false
[2019-10-13 19:53:27,197 INFO L443 ceAbstractionStarter]: For program point L32-4(lines 32 34) no Hoare annotation was computed.
[2019-10-13 19:53:27,197 INFO L439 ceAbstractionStarter]: At program point L12-2(lines 12 19) the Hoare annotation is: false
[2019-10-13 19:53:27,198 INFO L443 ceAbstractionStarter]: For program point L12-3(lines 12 19) no Hoare annotation was computed.
[2019-10-13 19:53:27,198 INFO L439 ceAbstractionStarter]: At program point L33(line 33) the Hoare annotation is: false
[2019-10-13 19:53:27,198 INFO L443 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed.
[2019-10-13 19:53:27,199 INFO L443 ceAbstractionStarter]: For program point L29-2(lines 29 31) no Hoare annotation was computed.
[2019-10-13 19:53:27,199 INFO L439 ceAbstractionStarter]: At program point L29-3(lines 29 31) the Hoare annotation is: false
[2019-10-13 19:53:27,199 INFO L443 ceAbstractionStarter]: For program point L29-4(lines 29 31) no Hoare annotation was computed.
[2019-10-13 19:53:27,200 INFO L439 ceAbstractionStarter]: At program point L21-2(lines 21 27) the Hoare annotation is: false
[2019-10-13 19:53:27,200 INFO L443 ceAbstractionStarter]: For program point L21-3(lines 21 27) no Hoare annotation was computed.
[2019-10-13 19:53:27,200 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 4 36) no Hoare annotation was computed.
[2019-10-13 19:53:27,200 INFO L439 ceAbstractionStarter]: At program point L30(line 30) the Hoare annotation is: false
[2019-10-13 19:53:27,201 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 4 36) the Hoare annotation is: true
[2019-10-13 19:53:27,202 INFO L443 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed.
[2019-10-13 19:53:27,202 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 25) no Hoare annotation was computed.
[2019-10-13 19:53:27,202 INFO L443 ceAbstractionStarter]: For program point L22-2(lines 22 25) no Hoare annotation was computed.
[2019-10-13 19:53:27,202 INFO L443 ceAbstractionStarter]: For program point L14(lines 14 17) no Hoare annotation was computed.
[2019-10-13 19:53:27,202 INFO L443 ceAbstractionStarter]: For program point L14-2(lines 14 17) no Hoare annotation was computed.
[2019-10-13 19:53:27,203 INFO L443 ceAbstractionStarter]: For program point L3-3(line 3) no Hoare annotation was computed.
[2019-10-13 19:53:27,204 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 3) the Hoare annotation is: true
[2019-10-13 19:53:27,205 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 3) no Hoare annotation was computed.
[2019-10-13 19:53:27,205 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed.
[2019-10-13 19:53:27,205 INFO L443 ceAbstractionStarter]: For program point L3(line 3) no Hoare annotation was computed.
[2019-10-13 19:53:27,205 INFO L443 ceAbstractionStarter]: For program point L3-1(line 3) no Hoare annotation was computed.
[2019-10-13 19:53:27,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:53:27 BoogieIcfgContainer
[2019-10-13 19:53:27,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 19:53:27,217 INFO L168 Benchmark]: Toolchain (without parser) took 2040.21 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.8 MB in the beginning and 100.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 59.0 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:27,218 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-10-13 19:53:27,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.05 ms. Allocated memory is still 145.2 MB. Free memory was 102.6 MB in the beginning and 92.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:27,220 INFO L168 Benchmark]: Boogie Preprocessor took 123.39 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.3 MB in the beginning and 179.5 MB in the end (delta: -87.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:27,221 INFO L168 Benchmark]: RCFGBuilder took 361.10 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 163.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:27,222 INFO L168 Benchmark]: TraceAbstraction took 1279.21 ms. Allocated memory is still 201.9 MB. Free memory was 162.4 MB in the beginning and 100.5 MB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 7.1 GB.
[2019-10-13 19:53:27,226 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 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 272.05 ms. Allocated memory is still 145.2 MB. Free memory was 102.6 MB in the beginning and 92.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 123.39 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.3 MB in the beginning and 179.5 MB in the end (delta: -87.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 361.10 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 163.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1279.21 ms. Allocated memory is still 201.9 MB. Free memory was 162.4 MB in the beginning and 100.5 MB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 3]: 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: 32]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 12]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 29]: Loop Invariant
Derived loop invariant: 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 34 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 6 SDslu, 25 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 16 PreInvPairs, 16 NumberOfFragments, 11 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 SizeOfPredicates, 1 NumberOfNonLiveVariables, 92 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 110, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.8875, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0, AVG_WEAKENED_CONJUNCTS: 0.3, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...