/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 19:04:44,345 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 19:04:44,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 19:04:44,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 19:04:44,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 19:04:44,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 19:04:44,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 19:04:44,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 19:04:44,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 19:04:44,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 19:04:44,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 19:04:44,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 19:04:44,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 19:04:44,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 19:04:44,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 19:04:44,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 19:04:44,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 19:04:44,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 19:04:44,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 19:04:44,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 19:04:44,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 19:04:44,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 19:04:44,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 19:04:44,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 19:04:44,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 19:04:44,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 19:04:44,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 19:04:44,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 19:04:44,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-22 19:04:44,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-22 19:04:44,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-22 19:04:44,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-22 19:04:44,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-22 19:04:44,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-22 19:04:44,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-22 19:04:44,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-22 19:04:44,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-22 19:04:44,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-22 19:04:44,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-22 19:04:44,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-22 19:04:44,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 19:04:44,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-08-22 19:04:44,446 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 19:04:44,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 19:04:44,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 19:04:44,450 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 19:04:44,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 19:04:44,450 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 19:04:44,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 19:04:44,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 19:04:44,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 19:04:44,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 19:04:44,455 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 19:04:44,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 19:04:44,455 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 19:04:44,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 19:04:44,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 19:04:44,456 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-08-22 19:04:44,456 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 19:04:44,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 19:04:44,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 19:04:44,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 19:04:44,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 19:04:44,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 19:04:44,459 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
[2020-08-22 19:04:44,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 19:04:44,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 19:04:44,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 19:04:44,780 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 19:04:44,781 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 19:04:44,781 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i
[2020-08-22 19:04:44,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc360691e/9a5d4bb9a3dd482387e5dcc276b6bf12/FLAG5e5d8a550
[2020-08-22 19:04:45,243 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 19:04:45,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i
[2020-08-22 19:04:45,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc360691e/9a5d4bb9a3dd482387e5dcc276b6bf12/FLAG5e5d8a550
[2020-08-22 19:04:45,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc360691e/9a5d4bb9a3dd482387e5dcc276b6bf12
[2020-08-22 19:04:45,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 19:04:45,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 19:04:45,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 19:04:45,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 19:04:45,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 19:04:45,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f78d987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45, skipping insertion in model container
[2020-08-22 19:04:45,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 19:04:45,673 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 19:04:45,828 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 19:04:45,834 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 19:04:45,852 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 19:04:45,869 INFO L208 MainTranslator]: Completed translation
[2020-08-22 19:04:45,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45 WrapperNode
[2020-08-22 19:04:45,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 19:04:45,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 19:04:45,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 19:04:45,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 19:04:45,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (1/1) ...
[2020-08-22 19:04:45,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 19:04:45,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 19:04:45,898 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 19:04:45,898 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 19:04:45,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (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
[2020-08-22 19:04:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 19:04:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 19:04:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-08-22 19:04:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int
[2020-08-22 19:04:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction
[2020-08-22 19:04:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 19:04:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 19:04:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-08-22 19:04:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int
[2020-08-22 19:04:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction
[2020-08-22 19:04:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 19:04:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 19:04:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 19:04:46,237 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 19:04:46,237 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-08-22 19:04:46,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:04:46 BoogieIcfgContainer
[2020-08-22 19:04:46,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 19:04:46,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 19:04:46,244 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 19:04:46,247 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 19:04:46,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:04:45" (1/3) ...
[2020-08-22 19:04:46,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e5f386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:04:46, skipping insertion in model container
[2020-08-22 19:04:46,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:45" (2/3) ...
[2020-08-22 19:04:46,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e5f386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:04:46, skipping insertion in model container
[2020-08-22 19:04:46,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:04:46" (3/3) ...
[2020-08-22 19:04:46,251 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i
[2020-08-22 19:04:46,263 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 19:04:46,271 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 19:04:46,287 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 19:04:46,315 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 19:04:46,315 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 19:04:46,316 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-08-22 19:04:46,316 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 19:04:46,316 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 19:04:46,316 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 19:04:46,316 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 19:04:46,316 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 19:04:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states.
[2020-08-22 19:04:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-08-22 19:04:46,357 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 19:04:46,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 19:04:46,359 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 19:04:46,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 19:04:46,368 INFO L82 PathProgramCache]: Analyzing trace with hash 531924990, now seen corresponding path program 1 times
[2020-08-22 19:04:46,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 19:04:46,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011791848]
[2020-08-22 19:04:46,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 19:04:46,488 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-08-22 19:04:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 19:04:46,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 19:04:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 19:04:46,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-22 19:04:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 19:04:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 19:04:46,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011791848]
[2020-08-22 19:04:46,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 19:04:46,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-22 19:04:46,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699574333]
[2020-08-22 19:04:46,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-22 19:04:46,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 19:04:46,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-22 19:04:46,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2020-08-22 19:04:46,854 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 9 states.
[2020-08-22 19:04:47,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 19:04:47,182 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions.
[2020-08-22 19:04:47,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-08-22 19:04:47,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19
[2020-08-22 19:04:47,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 19:04:47,194 INFO L225 Difference]: With dead ends: 55
[2020-08-22 19:04:47,195 INFO L226 Difference]: Without dead ends: 20
[2020-08-22 19:04:47,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2020-08-22 19:04:47,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2020-08-22 19:04:47,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2020-08-22 19:04:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states.
[2020-08-22 19:04:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions.
[2020-08-22 19:04:47,239 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 19
[2020-08-22 19:04:47,240 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 19:04:47,240 INFO L479 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions.
[2020-08-22 19:04:47,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-22 19:04:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions.
[2020-08-22 19:04:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-08-22 19:04:47,241 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 19:04:47,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 19:04:47,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 19:04:47,242 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 19:04:47,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 19:04:47,243 INFO L82 PathProgramCache]: Analyzing trace with hash 839962558, now seen corresponding path program 1 times
[2020-08-22 19:04:47,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 19:04:47,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952211530]
[2020-08-22 19:04:47,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 19:04:47,246 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-08-22 19:04:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 19:04:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 19:04:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 19:04:47,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-22 19:04:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 19:04:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 19:04:47,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952211530]
[2020-08-22 19:04:47,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 19:04:47,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-22 19:04:47,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955734880]
[2020-08-22 19:04:47,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-22 19:04:47,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 19:04:47,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-22 19:04:47,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-08-22 19:04:47,315 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 5 states.
[2020-08-22 19:04:47,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 19:04:47,363 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions.
[2020-08-22 19:04:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-08-22 19:04:47,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19
[2020-08-22 19:04:47,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 19:04:47,364 INFO L225 Difference]: With dead ends: 20
[2020-08-22 19:04:47,365 INFO L226 Difference]: Without dead ends: 0
[2020-08-22 19:04:47,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-08-22 19:04:47,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-22 19:04:47,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-22 19:04:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-22 19:04:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-22 19:04:47,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19
[2020-08-22 19:04:47,368 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 19:04:47,368 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-22 19:04:47,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-22 19:04:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-22 19:04:47,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-22 19:04:47,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-22 19:04:47,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-22 19:04:47,689 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-08-22 19:04:47,689 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|)
[2020-08-22 19:04:47,689 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2020-08-22 19:04:47,689 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2020-08-22 19:04:47,690 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-08-22 19:04:47,690 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-08-22 19:04:47,690 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2020-08-22 19:04:47,690 INFO L264 CegarLoopResult]: At program point abs_intEXIT(lines 16 25) the Hoare annotation is: (let ((.cse0 (or (= |abs_int_#in~i| abs_int_~i) (= (+ abs_int_~i 3) 0)))) (or (and .cse0 (<= 3 |abs_int_#res|)) (and (not (= (+ |abs_int_#in~i| 3) 0)) .cse0)))
[2020-08-22 19:04:47,691 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (and (not (= (+ |abs_int_#in~i| 3) 0)) (or (= |abs_int_#in~i| abs_int_~i) (= (+ abs_int_~i 3) 0)))
[2020-08-22 19:04:47,691 INFO L264 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (or (= |abs_int_#in~i| abs_int_~i) (= (+ abs_int_~i 3) 0))
[2020-08-22 19:04:47,691 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true
[2020-08-22 19:04:47,691 INFO L264 CegarLoopResult]: At program point L18(lines 18 24) the Hoare annotation is: (or (= |abs_int_#in~i| abs_int_~i) (= (+ abs_int_~i 3) 0))
[2020-08-22 19:04:47,692 INFO L264 CegarLoopResult]: At program point abs_intFINAL(lines 16 25) the Hoare annotation is: (let ((.cse0 (or (= |abs_int_#in~i| abs_int_~i) (= (+ abs_int_~i 3) 0)))) (or (and .cse0 (<= 3 |abs_int_#res|)) (and (not (= (+ |abs_int_#in~i| 3) 0)) .cse0)))
[2020-08-22 19:04:47,692 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (<= 1 ~p~0)
[2020-08-22 19:04:47,692 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (= ~p~0 |old(~p~0)|) (<= 1 |firstFunction_#t~ret0|))
[2020-08-22 19:04:47,692 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (and (= ~p~0 |old(~p~0)|) (<= 1 |firstFunction_#t~ret0|))
[2020-08-22 19:04:47,693 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: (= ~p~0 |old(~p~0)|)
[2020-08-22 19:04:47,693 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (and (<= 1 |firstFunction_#t~ret0|) (<= 1 ~p~0))
[2020-08-22 19:04:47,693 INFO L271 CegarLoopResult]: At program point firstFunctionFINAL(lines 27 31) the Hoare annotation is: true
[2020-08-22 19:04:47,693 INFO L271 CegarLoopResult]: At program point firstFunctionEXIT(lines 27 31) the Hoare annotation is: true
[2020-08-22 19:04:47,693 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 33 36) the Hoare annotation is: (= ~p~0 |old(~p~0)|)
[2020-08-22 19:04:47,694 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 33 36) the Hoare annotation is: true
[2020-08-22 19:04:47,694 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 33 36) the Hoare annotation is: true
[2020-08-22 19:04:47,694 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true
[2020-08-22 19:04:47,694 INFO L264 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~i| 0) (not (<= 1 ~p~0)))
[2020-08-22 19:04:47,695 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 6 12) the Hoare annotation is: (or (not (<= 1 ~p~0)) (= |__VERIFIER_assert_#in~i| 0) (not (= __VERIFIER_assert_~i 0)))
[2020-08-22 19:04:47,695 INFO L264 CegarLoopResult]: At program point L8(lines 8 11) the Hoare annotation is: (or (not (<= 1 ~p~0)) (= |__VERIFIER_assert_#in~i| 0) (not (= __VERIFIER_assert_~i 0)))
[2020-08-22 19:04:47,695 INFO L264 CegarLoopResult]: At program point L8-2(lines 6 12) the Hoare annotation is: (or (not (<= 1 ~p~0)) (= |__VERIFIER_assert_#in~i| 0) (not (= __VERIFIER_assert_~i 0)))
[2020-08-22 19:04:47,695 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~i| 0) (not (<= 1 ~p~0)))
[2020-08-22 19:04:47,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:04:47 BoogieIcfgContainer
[2020-08-22 19:04:47,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 19:04:47,720 INFO L168 Benchmark]: Toolchain (without parser) took 2083.14 ms. Allocated memory was 145.8 MB in the beginning and 235.9 MB in the end (delta: 90.2 MB). Free memory was 102.9 MB in the beginning and 180.3 MB in the end (delta: -77.4 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB.
[2020-08-22 19:04:47,721 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-22 19:04:47,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.27 ms. Allocated memory is still 145.8 MB. Free memory was 102.7 MB in the beginning and 93.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
[2020-08-22 19:04:47,723 INFO L168 Benchmark]: Boogie Preprocessor took 27.07 ms. Allocated memory is still 145.8 MB. Free memory was 93.3 MB in the beginning and 91.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-08-22 19:04:47,724 INFO L168 Benchmark]: RCFGBuilder took 344.03 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 91.9 MB in the beginning and 170.3 MB in the end (delta: -78.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2020-08-22 19:04:47,725 INFO L168 Benchmark]: TraceAbstraction took 1472.55 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.6 MB in the beginning and 180.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB.
[2020-08-22 19:04:47,729 INFO L336 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 145.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 234.27 ms. Allocated memory is still 145.8 MB. Free memory was 102.7 MB in the beginning and 93.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 27.07 ms. Allocated memory is still 145.8 MB. Free memory was 93.3 MB in the beginning and 91.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 344.03 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 91.9 MB in the beginning and 170.3 MB in the end (delta: -78.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1472.55 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.6 MB in the beginning and 180.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 10]: 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
- ProcedureContractResult [Line: 16]: Procedure Contract for abs_int
Derived contract for procedure abs_int: ((\old(i) == i || i + 3 == 0) && 3 <= \result) || (!(\old(i) + 3 == 0) && (\old(i) == i || i + 3 == 0))
- ProcedureContractResult [Line: 27]: Procedure Contract for firstFunction
Derived contract for procedure firstFunction: 1
- ProcedureContractResult [Line: 33]: Procedure Contract for main
Derived contract for procedure main: 1
- ProcedureContractResult [Line: 6]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert: (!(1 <= p) || \old(i) == 0) || !(i == 0)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 42 SDslu, 102 SDs, 0 SdLazy, 109 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 35 PreInvPairs, 57 NumberOfFragments, 191 HoareAnnotationTreeSize, 35 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...