/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-fpi/sina3f.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-7d8eed3
[2020-11-07 01:56:52,382 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-07 01:56:52,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-07 01:56:52,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-07 01:56:52,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-07 01:56:52,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-07 01:56:52,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-07 01:56:52,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-07 01:56:52,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-07 01:56:52,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-07 01:56:52,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-07 01:56:52,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-07 01:56:52,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-07 01:56:52,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-07 01:56:52,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-07 01:56:52,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-07 01:56:52,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-07 01:56:52,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-07 01:56:52,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-07 01:56:52,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-07 01:56:52,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-07 01:56:52,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-07 01:56:52,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-07 01:56:52,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-07 01:56:52,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-07 01:56:52,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-07 01:56:52,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-07 01:56:52,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-07 01:56:52,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-11-07 01:56:52,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-07 01:56:52,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-07 01:56:52,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-11-07 01:56:52,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-07 01:56:52,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-11-07 01:56:52,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-11-07 01:56:52,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-07 01:56:52,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-11-07 01:56:52,542 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-07 01:56:52,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-07 01:56:52,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-07 01:56:52,544 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-07 01:56:52,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-07 01:56:52,545 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-07 01:56:52,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-07 01:56:52,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-07 01:56:52,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-07 01:56:52,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-07 01:56:52,546 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-07 01:56:52,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-07 01:56:52,546 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-07 01:56:52,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-07 01:56:52,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-07 01:56:52,547 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-11-07 01:56:52,547 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-07 01:56:52,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-07 01:56:52,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-07 01:56:52,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-07 01:56:52,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-11-07 01:56:52,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-07 01:56:52,549 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-11-07 01:56:52,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-07 01:56:52,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-07 01:56:52,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-07 01:56:52,994 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-07 01:56:52,994 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-07 01:56:52,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina3f.c
[2020-11-07 01:56:53,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a253b30/cee31f957c0b4852839f0002f19c7eff/FLAG04186879f
[2020-11-07 01:56:53,779 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-07 01:56:53,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/sina3f.c
[2020-11-07 01:56:53,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a253b30/cee31f957c0b4852839f0002f19c7eff/FLAG04186879f
[2020-11-07 01:56:54,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a253b30/cee31f957c0b4852839f0002f19c7eff
[2020-11-07 01:56:54,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-07 01:56:54,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-07 01:56:54,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-07 01:56:54,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-07 01:56:54,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-07 01:56:54,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b374bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54, skipping insertion in model container
[2020-11-07 01:56:54,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-07 01:56:54,168 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-07 01:56:54,342 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-07 01:56:54,351 INFO L203 MainTranslator]: Completed pre-run
[2020-11-07 01:56:54,377 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-07 01:56:54,395 INFO L208 MainTranslator]: Completed translation
[2020-11-07 01:56:54,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54 WrapperNode
[2020-11-07 01:56:54,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-07 01:56:54,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-07 01:56:54,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-07 01:56:54,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-07 01:56:54,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (1/1) ...
[2020-11-07 01:56:54,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-07 01:56:54,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-07 01:56:54,444 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-07 01:56:54,445 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-07 01:56:54,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (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
[2020-11-07 01:56:54,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-07 01:56:54,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-07 01:56:54,553 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-07 01:56:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-11-07 01:56:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-11-07 01:56:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-11-07 01:56:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-11-07 01:56:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-07 01:56:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-07 01:56:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-07 01:56:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-11-07 01:56:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-11-07 01:56:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-11-07 01:56:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-11-07 01:56:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-11-07 01:56:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-11-07 01:56:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-07 01:56:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-11-07 01:56:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-07 01:56:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-07 01:56:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-07 01:56:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-07 01:56:55,328 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-07 01:56:55,329 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-11-07 01:56:55,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:56:55 BoogieIcfgContainer
[2020-11-07 01:56:55,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-07 01:56:55,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-07 01:56:55,333 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-07 01:56:55,337 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-07 01:56:55,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:56:54" (1/3) ...
[2020-11-07 01:56:55,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:56:55, skipping insertion in model container
[2020-11-07 01:56:55,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:54" (2/3) ...
[2020-11-07 01:56:55,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:56:55, skipping insertion in model container
[2020-11-07 01:56:55,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:56:55" (3/3) ...
[2020-11-07 01:56:55,340 INFO L111 eAbstractionObserver]: Analyzing ICFG sina3f.c
[2020-11-07 01:56:55,357 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-11-07 01:56:55,360 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-11-07 01:56:55,373 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-11-07 01:56:55,398 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-07 01:56:55,399 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-07 01:56:55,399 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-11-07 01:56:55,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-07 01:56:55,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-07 01:56:55,399 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-07 01:56:55,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-07 01:56:55,400 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-07 01:56:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states.
[2020-11-07 01:56:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-11-07 01:56:55,429 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 01:56:55,430 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 01:56:55,430 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 01:56:55,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 01:56:55,437 INFO L82 PathProgramCache]: Analyzing trace with hash 627695450, now seen corresponding path program 1 times
[2020-11-07 01:56:55,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 01:56:55,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960686116]
[2020-11-07 01:56:55,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 01:56:55,529 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-11-07 01:56:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 01:56:55,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 01:56:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 01:56:55,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2020-11-07 01:56:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 01:56:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 01:56:55,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960686116]
[2020-11-07 01:56:55,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 01:56:55,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-07 01:56:55,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064760049]
[2020-11-07 01:56:55,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-07 01:56:55,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 01:56:55,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-07 01:56:55,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-07 01:56:55,912 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 3 states.
[2020-11-07 01:56:56,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 01:56:56,377 INFO L93 Difference]: Finished difference Result 151 states and 175 transitions.
[2020-11-07 01:56:56,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-07 01:56:56,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45
[2020-11-07 01:56:56,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 01:56:56,396 INFO L225 Difference]: With dead ends: 151
[2020-11-07 01:56:56,396 INFO L226 Difference]: Without dead ends: 76
[2020-11-07 01:56:56,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-07 01:56:56,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2020-11-07 01:56:56,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2020-11-07 01:56:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2020-11-07 01:56:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions.
[2020-11-07 01:56:56,463 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 45
[2020-11-07 01:56:56,463 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 01:56:56,463 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions.
[2020-11-07 01:56:56,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-07 01:56:56,464 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions.
[2020-11-07 01:56:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-11-07 01:56:56,466 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 01:56:56,466 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 01:56:56,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-07 01:56:56,466 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 01:56:56,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 01:56:56,467 INFO L82 PathProgramCache]: Analyzing trace with hash 240330880, now seen corresponding path program 1 times
[2020-11-07 01:56:56,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 01:56:56,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542723020]
[2020-11-07 01:56:56,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 01:56:56,471 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-11-07 01:56:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 01:56:56,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 01:56:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 01:56:56,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2020-11-07 01:56:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 01:56:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 01:56:56,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542723020]
[2020-11-07 01:56:56,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 01:56:56,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-11-07 01:56:56,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576097831]
[2020-11-07 01:56:56,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-11-07 01:56:56,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 01:56:56,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-11-07 01:56:56,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-11-07 01:56:56,654 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand 5 states.
[2020-11-07 01:56:57,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 01:56:57,033 INFO L93 Difference]: Finished difference Result 147 states and 159 transitions.
[2020-11-07 01:56:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-11-07 01:56:57,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45
[2020-11-07 01:56:57,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 01:56:57,038 INFO L225 Difference]: With dead ends: 147
[2020-11-07 01:56:57,038 INFO L226 Difference]: Without dead ends: 106
[2020-11-07 01:56:57,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-11-07 01:56:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2020-11-07 01:56:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 80.
[2020-11-07 01:56:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states.
[2020-11-07 01:56:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions.
[2020-11-07 01:56:57,061 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 45
[2020-11-07 01:56:57,061 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 01:56:57,062 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions.
[2020-11-07 01:56:57,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-11-07 01:56:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions.
[2020-11-07 01:56:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2020-11-07 01:56:57,064 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 01:56:57,065 INFO L422 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 01:56:57,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-07 01:56:57,065 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 01:56:57,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 01:56:57,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1016562738, now seen corresponding path program 1 times
[2020-11-07 01:56:57,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 01:56:57,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765258219]
[2020-11-07 01:56:57,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 01:56:57,132 INFO L120 Accelerator]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found.
[2020-11-07 01:56:57,134 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-11-07 01:56:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-07 01:56:57,225 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-07 01:56:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-07 01:56:57,330 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-07 01:56:57,376 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-11-07 01:56:57,377 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-11-07 01:56:57,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-07 01:56:57,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:56:57 BoogieIcfgContainer
[2020-11-07 01:56:57,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-07 01:56:57,405 INFO L168 Benchmark]: Toolchain (without parser) took 3277.87 ms. Allocated memory is still 159.4 MB. Free memory was 136.0 MB in the beginning and 62.6 MB in the end (delta: 73.3 MB). Peak memory consumption was 74.1 MB. Max. memory is 8.0 GB.
[2020-11-07 01:56:57,408 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 159.4 MB. Free memory is still 138.2 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-07 01:56:57,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.11 ms. Allocated memory is still 159.4 MB. Free memory was 135.3 MB in the beginning and 125.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2020-11-07 01:56:57,411 INFO L168 Benchmark]: Boogie Preprocessor took 46.04 ms. Allocated memory is still 159.4 MB. Free memory was 125.4 MB in the beginning and 123.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2020-11-07 01:56:57,412 INFO L168 Benchmark]: RCFGBuilder took 886.74 ms. Allocated memory is still 159.4 MB. Free memory was 123.6 MB in the beginning and 101.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
[2020-11-07 01:56:57,413 INFO L168 Benchmark]: TraceAbstraction took 2066.40 ms. Allocated memory is still 159.4 MB. Free memory was 101.1 MB in the beginning and 62.6 MB in the end (delta: 38.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB.
[2020-11-07 01:56:57,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27 ms. Allocated memory is still 159.4 MB. Free memory is still 138.2 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 267.11 ms. Allocated memory is still 159.4 MB. Free memory was 135.3 MB in the beginning and 125.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 46.04 ms. Allocated memory is still 159.4 MB. Free memory was 125.4 MB in the beginning and 123.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 886.74 ms. Allocated memory is still 159.4 MB. Free memory was 123.6 MB in the beginning and 101.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 2066.40 ms. Allocated memory is still 159.4 MB. Free memory was 101.1 MB in the beginning and 62.6 MB in the end (delta: 38.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L19] int N;
[L23] N = __VERIFIER_nondet_int()
[L24] COND FALSE !(N <= 0)
[L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L13] COND FALSE !(!cond)
[L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L27] int i;
[L28] long long sum[1];
[L29] long long *a = malloc(sizeof(long long)*N);
[L30] int *b = malloc(sizeof(int)*N);
[L32] sum[0] = 1
[L33] i=0
[L33] COND TRUE i<N
[L35] a[i] = 1
[L33] i++
[L33] COND FALSE !(i<N)
[L38] i=0
[L38] COND TRUE i<N
[L40] b[i] = 1
[L38] i++
[L38] COND FALSE !(i<N)
[L43] i=0
[L43] COND TRUE i<N
[L45] EXPR sum[0]
[L45] EXPR a[i]
[L45] sum[0] = sum[0] + a[i]
[L43] i++
[L43] COND FALSE !(i<N)
[L48] i=0
[L48] COND TRUE i<N
[L50] EXPR b[i]
[L50] EXPR sum[0]
[L50] a[i] = b[i] + sum[0]
[L48] i++
[L48] COND FALSE !(i<N)
[L53] i=0
[L53] COND TRUE i<N
[L55] EXPR a[i]
[L55] CALL __VERIFIER_assert(a[i] == N + 1)
[L15] COND TRUE !(cond)
[L15] CALL reach_error()
[L10] __assert_fail("0", "sina3f.c", 10, "reach_error")
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 146 SDtfs, 125 SDslu, 38 SDs, 0 SdLazy, 204 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred 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, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, 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 incorrect!
Received shutdown request...