/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-fpi/eqn5f.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-267fbe0
[2020-07-18 06:32:34,495 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-18 06:32:34,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-18 06:32:34,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-18 06:32:34,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-18 06:32:34,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-18 06:32:34,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-18 06:32:34,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-18 06:32:34,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-18 06:32:34,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-18 06:32:34,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-18 06:32:34,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-18 06:32:34,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-18 06:32:34,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-18 06:32:34,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-18 06:32:34,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-18 06:32:34,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-18 06:32:34,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-18 06:32:34,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-18 06:32:34,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-18 06:32:34,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-18 06:32:34,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-18 06:32:34,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-18 06:32:34,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-18 06:32:34,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-18 06:32:34,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-18 06:32:34,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-18 06:32:34,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-18 06:32:34,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-18 06:32:34,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
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[2020-07-18 06:32:34,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-07-18 06:32:34,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-18 06:32:34,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-07-18 06:32:34,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-18 06:32:34,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-18 06:32:34,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-07-18 06:32:34,576 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-18 06:32:34,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-18 06:32:34,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-18 06:32:34,579 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-18 06:32:34,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-18 06:32:34,579 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-18 06:32:34,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-18 06:32:34,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-18 06:32:34,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-18 06:32:34,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-18 06:32:34,581 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-18 06:32:34,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-18 06:32:34,581 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-18 06:32:34,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-18 06:32:34,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-18 06:32:34,582 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-07-18 06:32:34,582 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-18 06:32:34,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-18 06:32:34,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-18 06:32:34,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-18 06:32:34,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-07-18 06:32:34,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-18 06:32:34,584 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-07-18 06:32:34,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-18 06:32:34,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-18 06:32:34,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-18 06:32:34,875 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-18 06:32:34,875 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-18 06:32:34,876 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/eqn5f.c
[2020-07-18 06:32:34,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998c45e7d/c12b35b660a74c27bc1592debcfbcdd0/FLAG0cdc9546a
[2020-07-18 06:32:35,554 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-18 06:32:35,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/eqn5f.c
[2020-07-18 06:32:35,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998c45e7d/c12b35b660a74c27bc1592debcfbcdd0/FLAG0cdc9546a
[2020-07-18 06:32:35,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998c45e7d/c12b35b660a74c27bc1592debcfbcdd0
[2020-07-18 06:32:35,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-18 06:32:35,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-18 06:32:35,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-18 06:32:35,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-18 06:32:35,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-18 06:32:35,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:32:35" (1/1) ...
[2020-07-18 06:32:35,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6989bb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:35, skipping insertion in model container
[2020-07-18 06:32:35,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:32:35" (1/1) ...
[2020-07-18 06:32:35,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-18 06:32:35,949 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-18 06:32:36,153 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-18 06:32:36,169 INFO L203 MainTranslator]: Completed pre-run
[2020-07-18 06:32:36,195 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-18 06:32:36,216 INFO L208 MainTranslator]: Completed translation
[2020-07-18 06:32:36,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36 WrapperNode
[2020-07-18 06:32:36,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-18 06:32:36,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-18 06:32:36,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-18 06:32:36,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-18 06:32:36,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (1/1) ...
[2020-07-18 06:32:36,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (1/1) ...
[2020-07-18 06:32:36,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (1/1) ...
[2020-07-18 06:32:36,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (1/1) ...
[2020-07-18 06:32:36,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (1/1) ...
[2020-07-18 06:32:36,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (1/1) ...
[2020-07-18 06:32:36,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (1/1) ...
[2020-07-18 06:32:36,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-18 06:32:36,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-18 06:32:36,365 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-18 06:32:36,365 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-18 06:32:36,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (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
[2020-07-18 06:32:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-18 06:32:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-18 06:32:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-07-18 06:32:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-07-18 06:32:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-18 06:32:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-18 06:32:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-07-18 06:32:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-07-18 06:32:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-07-18 06:32:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-18 06:32:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-18 06:32:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-18 06:32:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-18 06:32:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-18 06:32:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-18 06:32:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-18 06:32:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-18 06:32:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-18 06:32:36,963 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-18 06:32:36,964 INFO L295 CfgBuilder]: Removed 3 assume(true) statements.
[2020-07-18 06:32:36,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:32:36 BoogieIcfgContainer
[2020-07-18 06:32:36,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-18 06:32:36,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-18 06:32:36,976 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-18 06:32:36,984 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-18 06:32:36,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:32:35" (1/3) ...
[2020-07-18 06:32:36,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6d973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:32:36, skipping insertion in model container
[2020-07-18 06:32:36,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:36" (2/3) ...
[2020-07-18 06:32:36,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6d973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:32:36, skipping insertion in model container
[2020-07-18 06:32:36,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:32:36" (3/3) ...
[2020-07-18 06:32:36,990 INFO L109 eAbstractionObserver]: Analyzing ICFG eqn5f.c
[2020-07-18 06:32:37,002 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-07-18 06:32:37,013 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-18 06:32:37,027 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-18 06:32:37,052 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-18 06:32:37,053 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-18 06:32:37,053 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-07-18 06:32:37,053 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-18 06:32:37,054 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-18 06:32:37,054 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-18 06:32:37,054 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-18 06:32:37,054 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-18 06:32:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states.
[2020-07-18 06:32:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-07-18 06:32:37,084 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-18 06:32:37,086 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]
[2020-07-18 06:32:37,086 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-18 06:32:37,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-18 06:32:37,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1558850377, now seen corresponding path program 1 times
[2020-07-18 06:32:37,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-18 06:32:37,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805262650]
[2020-07-18 06:32:37,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-18 06:32:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 06:32:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 06:32:37,387 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {66#true} is VALID
[2020-07-18 06:32:37,388 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} #valid := #valid[0 := 0]; {66#true} is VALID
[2020-07-18 06:32:37,389 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} assume 0 < #StackHeapBarrier; {66#true} is VALID
[2020-07-18 06:32:37,389 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} ~N~0 := 0; {66#true} is VALID
[2020-07-18 06:32:37,390 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} assume true; {66#true} is VALID
[2020-07-18 06:32:37,390 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {66#true} {66#true} #110#return; {66#true} is VALID
[2020-07-18 06:32:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 06:32:37,403 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#true} ~cond := #in~cond; {66#true} is VALID
[2020-07-18 06:32:37,403 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} assume !(0 == ~cond); {66#true} is VALID
[2020-07-18 06:32:37,404 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} assume true; {66#true} is VALID
[2020-07-18 06:32:37,404 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {66#true} {66#true} #106#return; {66#true} is VALID
[2020-07-18 06:32:37,407 INFO L263 TraceCheckUtils]: 0: Hoare triple {66#true} call ULTIMATE.init(); {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID
[2020-07-18 06:32:37,408 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {66#true} is VALID
[2020-07-18 06:32:37,408 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} #valid := #valid[0 := 0]; {66#true} is VALID
[2020-07-18 06:32:37,408 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} assume 0 < #StackHeapBarrier; {66#true} is VALID
[2020-07-18 06:32:37,409 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} ~N~0 := 0; {66#true} is VALID
[2020-07-18 06:32:37,409 INFO L280 TraceCheckUtils]: 5: Hoare triple {66#true} assume true; {66#true} is VALID
[2020-07-18 06:32:37,410 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {66#true} {66#true} #110#return; {66#true} is VALID
[2020-07-18 06:32:37,410 INFO L263 TraceCheckUtils]: 7: Hoare triple {66#true} call #t~ret10 := main(); {66#true} is VALID
[2020-07-18 06:32:37,410 INFO L280 TraceCheckUtils]: 8: Hoare triple {66#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {66#true} is VALID
[2020-07-18 06:32:37,411 INFO L280 TraceCheckUtils]: 9: Hoare triple {66#true} ~N~0 := #t~nondet0; {66#true} is VALID
[2020-07-18 06:32:37,411 INFO L280 TraceCheckUtils]: 10: Hoare triple {66#true} havoc #t~nondet0; {66#true} is VALID
[2020-07-18 06:32:37,412 INFO L280 TraceCheckUtils]: 11: Hoare triple {66#true} assume !(~N~0 <= 0); {66#true} is VALID
[2020-07-18 06:32:37,412 INFO L263 TraceCheckUtils]: 12: Hoare triple {66#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {66#true} is VALID
[2020-07-18 06:32:37,413 INFO L280 TraceCheckUtils]: 13: Hoare triple {66#true} ~cond := #in~cond; {66#true} is VALID
[2020-07-18 06:32:37,413 INFO L280 TraceCheckUtils]: 14: Hoare triple {66#true} assume !(0 == ~cond); {66#true} is VALID
[2020-07-18 06:32:37,414 INFO L280 TraceCheckUtils]: 15: Hoare triple {66#true} assume true; {66#true} is VALID
[2020-07-18 06:32:37,414 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {66#true} {66#true} #106#return; {66#true} is VALID
[2020-07-18 06:32:37,414 INFO L280 TraceCheckUtils]: 17: Hoare triple {66#true} havoc ~i~0; {66#true} is VALID
[2020-07-18 06:32:37,415 INFO L280 TraceCheckUtils]: 18: Hoare triple {66#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26 {66#true} is VALID
[2020-07-18 06:32:37,415 INFO L280 TraceCheckUtils]: 19: Hoare triple {66#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {66#true} is VALID
[2020-07-18 06:32:37,416 INFO L280 TraceCheckUtils]: 20: Hoare triple {66#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L27 {66#true} is VALID
[2020-07-18 06:32:37,416 INFO L280 TraceCheckUtils]: 21: Hoare triple {66#true} ~b~0.base, ~b~0.offset := #t~malloc2.base, #t~malloc2.offset; {66#true} is VALID
[2020-07-18 06:32:37,417 INFO L280 TraceCheckUtils]: 22: Hoare triple {66#true} SUMMARY for call write~int(1, ~a~0.base, ~a~0.offset, 8); srcloc: L29 {66#true} is VALID
[2020-07-18 06:32:37,417 INFO L280 TraceCheckUtils]: 23: Hoare triple {66#true} SUMMARY for call write~int(1, ~b~0.base, ~b~0.offset, 8); srcloc: L29-1 {66#true} is VALID
[2020-07-18 06:32:37,418 INFO L280 TraceCheckUtils]: 24: Hoare triple {66#true} ~i~0 := 1; {66#true} is VALID
[2020-07-18 06:32:37,419 INFO L280 TraceCheckUtils]: 25: Hoare triple {66#true} assume !true; {67#false} is VALID
[2020-07-18 06:32:37,419 INFO L280 TraceCheckUtils]: 26: Hoare triple {67#false} ~i~0 := 1; {67#false} is VALID
[2020-07-18 06:32:37,420 INFO L280 TraceCheckUtils]: 27: Hoare triple {67#false} assume !(~i~0 < ~N~0); {67#false} is VALID
[2020-07-18 06:32:37,420 INFO L280 TraceCheckUtils]: 28: Hoare triple {67#false} ~i~0 := 0; {67#false} is VALID
[2020-07-18 06:32:37,421 INFO L280 TraceCheckUtils]: 29: Hoare triple {67#false} assume !!(~i~0 < ~N~0); {67#false} is VALID
[2020-07-18 06:32:37,421 INFO L280 TraceCheckUtils]: 30: Hoare triple {67#false} SUMMARY for call #t~mem9 := read~int(~b~0.base, ~b~0.offset + 8 * ~i~0, 8); srcloc: L43 {67#false} is VALID
[2020-07-18 06:32:37,422 INFO L263 TraceCheckUtils]: 31: Hoare triple {67#false} call __VERIFIER_assert((if #t~mem9 == 1 + (5 * ~i~0 * ~i~0 + 5 * ~i~0) then 1 else 0)); {67#false} is VALID
[2020-07-18 06:32:37,422 INFO L280 TraceCheckUtils]: 32: Hoare triple {67#false} ~cond := #in~cond; {67#false} is VALID
[2020-07-18 06:32:37,422 INFO L280 TraceCheckUtils]: 33: Hoare triple {67#false} assume 0 == ~cond; {67#false} is VALID
[2020-07-18 06:32:37,423 INFO L280 TraceCheckUtils]: 34: Hoare triple {67#false} assume !false; {67#false} is VALID
[2020-07-18 06:32:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-18 06:32:37,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805262650]
[2020-07-18 06:32:37,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-18 06:32:37,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-18 06:32:37,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378139421]
[2020-07-18 06:32:37,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35
[2020-07-18 06:32:37,447 INFO L84 Accepts]: Finished accepts. word is accepted.
[2020-07-18 06:32:37,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states.
[2020-07-18 06:32:37,532 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 06:32:37,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-18 06:32:37,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-18 06:32:37,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-18 06:32:37,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-18 06:32:37,545 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states.
[2020-07-18 06:32:37,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 06:32:37,983 INFO L93 Difference]: Finished difference Result 109 states and 124 transitions.
[2020-07-18 06:32:37,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-18 06:32:37,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35
[2020-07-18 06:32:37,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-18 06:32:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2020-07-18 06:32:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions.
[2020-07-18 06:32:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2020-07-18 06:32:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions.
[2020-07-18 06:32:38,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 124 transitions.
[2020-07-18 06:32:38,205 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 06:32:38,247 INFO L225 Difference]: With dead ends: 109
[2020-07-18 06:32:38,247 INFO L226 Difference]: Without dead ends: 56
[2020-07-18 06:32:38,258 INFO L675 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
[2020-07-18 06:32:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2020-07-18 06:32:38,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2020-07-18 06:32:38,397 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-18 06:32:38,397 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states.
[2020-07-18 06:32:38,398 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states.
[2020-07-18 06:32:38,399 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states.
[2020-07-18 06:32:38,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 06:32:38,411 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions.
[2020-07-18 06:32:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions.
[2020-07-18 06:32:38,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-18 06:32:38,413 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-18 06:32:38,414 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states.
[2020-07-18 06:32:38,414 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states.
[2020-07-18 06:32:38,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 06:32:38,426 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions.
[2020-07-18 06:32:38,428 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions.
[2020-07-18 06:32:38,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-18 06:32:38,435 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-18 06:32:38,436 INFO L88 GeneralOperation]: Finished isEquivalent.
[2020-07-18 06:32:38,437 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-18 06:32:38,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states.
[2020-07-18 06:32:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions.
[2020-07-18 06:32:38,451 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 35
[2020-07-18 06:32:38,452 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-18 06:32:38,452 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions.
[2020-07-18 06:32:38,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-18 06:32:38,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 58 transitions.
[2020-07-18 06:32:38,548 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 06:32:38,549 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions.
[2020-07-18 06:32:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-07-18 06:32:38,550 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-18 06:32:38,551 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]
[2020-07-18 06:32:38,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-18 06:32:38,553 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-18 06:32:38,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-18 06:32:38,553 INFO L82 PathProgramCache]: Analyzing trace with hash -574468364, now seen corresponding path program 1 times
[2020-07-18 06:32:38,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-18 06:32:38,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750220782]
[2020-07-18 06:32:38,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-18 06:32:38,620 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2020-07-18 06:32:38,621 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility
[2020-07-18 06:32:38,621 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-18 06:32:38,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-18 06:32:38,647 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation
[2020-07-18 06:32:38,647 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation
[2020-07-18 06:32:38,647 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation
[2020-07-18 06:32:38,648 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation
[2020-07-18 06:32:38,648 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation
[2020-07-18 06:32:38,648 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation
[2020-07-18 06:32:38,648 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-18 06:32:38,648 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-18 06:32:38,648 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-18 06:32:38,648 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation
[2020-07-18 06:32:38,649 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation
[2020-07-18 06:32:38,649 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation
[2020-07-18 06:32:38,649 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation
[2020-07-18 06:32:38,649 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation
[2020-07-18 06:32:38,649 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation
[2020-07-18 06:32:38,650 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation
[2020-07-18 06:32:38,650 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation
[2020-07-18 06:32:38,650 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation
[2020-07-18 06:32:38,650 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation
[2020-07-18 06:32:38,650 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation
[2020-07-18 06:32:38,650 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation
[2020-07-18 06:32:38,651 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation
[2020-07-18 06:32:38,651 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation
[2020-07-18 06:32:38,651 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation
[2020-07-18 06:32:38,651 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation
[2020-07-18 06:32:38,652 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation
[2020-07-18 06:32:38,652 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation
[2020-07-18 06:32:38,652 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation
[2020-07-18 06:32:38,652 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation
[2020-07-18 06:32:38,652 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation
[2020-07-18 06:32:38,652 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation
[2020-07-18 06:32:38,653 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation
[2020-07-18 06:32:38,653 WARN L170 areAnnotationChecker]: L43-2 has no Hoare annotation
[2020-07-18 06:32:38,653 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation
[2020-07-18 06:32:38,653 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation
[2020-07-18 06:32:38,653 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation
[2020-07-18 06:32:38,653 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation
[2020-07-18 06:32:38,653 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation
[2020-07-18 06:32:38,653 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation
[2020-07-18 06:32:38,654 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation
[2020-07-18 06:32:38,654 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation
[2020-07-18 06:32:38,654 WARN L170 areAnnotationChecker]: L41-4 has no Hoare annotation
[2020-07-18 06:32:38,654 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation
[2020-07-18 06:32:38,654 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation
[2020-07-18 06:32:38,654 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation
[2020-07-18 06:32:38,654 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation
[2020-07-18 06:32:38,655 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation
[2020-07-18 06:32:38,655 WARN L170 areAnnotationChecker]: L41-6 has no Hoare annotation
[2020-07-18 06:32:38,655 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation
[2020-07-18 06:32:38,655 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation
[2020-07-18 06:32:38,656 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation
[2020-07-18 06:32:38,656 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation
[2020-07-18 06:32:38,656 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation
[2020-07-18 06:32:38,656 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation
[2020-07-18 06:32:38,656 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation
[2020-07-18 06:32:38,656 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation
[2020-07-18 06:32:38,657 WARN L170 areAnnotationChecker]: L31-6 has no Hoare annotation
[2020-07-18 06:32:38,657 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation
[2020-07-18 06:32:38,657 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation
[2020-07-18 06:32:38,657 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation
[2020-07-18 06:32:38,657 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation
[2020-07-18 06:32:38,657 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation
[2020-07-18 06:32:38,657 WARN L170 areAnnotationChecker]: L36-6 has no Hoare annotation
[2020-07-18 06:32:38,658 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation
[2020-07-18 06:32:38,658 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation
[2020-07-18 06:32:38,658 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation
[2020-07-18 06:32:38,658 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation
[2020-07-18 06:32:38,658 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation
[2020-07-18 06:32:38,658 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation
[2020-07-18 06:32:38,658 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation
[2020-07-18 06:32:38,659 WARN L170 areAnnotationChecker]: L31-4 has no Hoare annotation
[2020-07-18 06:32:38,659 WARN L170 areAnnotationChecker]: L38-4 has no Hoare annotation
[2020-07-18 06:32:38,659 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation
[2020-07-18 06:32:38,659 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation
[2020-07-18 06:32:38,659 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation
[2020-07-18 06:32:38,659 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing.
[2020-07-18 06:32:38,666 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually.
[2020-07-18 06:32:38,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:32:38 BoogieIcfgContainer
[2020-07-18 06:32:38,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-18 06:32:38,673 INFO L168 Benchmark]: Toolchain (without parser) took 2772.46 ms. Allocated memory was 137.9 MB in the beginning and 234.4 MB in the end (delta: 96.5 MB). Free memory was 101.6 MB in the beginning and 131.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB.
[2020-07-18 06:32:38,675 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 137.9 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-18 06:32:38,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.16 ms. Allocated memory is still 137.9 MB. Free memory was 101.2 MB in the beginning and 90.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB.
[2020-07-18 06:32:38,678 INFO L168 Benchmark]: Boogie Preprocessor took 147.16 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 90.3 MB in the beginning and 179.4 MB in the end (delta: -89.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB.
[2020-07-18 06:32:38,680 INFO L168 Benchmark]: RCFGBuilder took 609.10 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 151.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB.
[2020-07-18 06:32:38,681 INFO L168 Benchmark]: TraceAbstraction took 1691.92 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 150.4 MB in the beginning and 131.9 MB in the end (delta: 18.5 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB.
[2020-07-18 06:32:38,700 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- AssertionsEnabledResult: Assertions are enabled
Assertions are enabled
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35 ms. Allocated memory is still 137.9 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 316.16 ms. Allocated memory is still 137.9 MB. Free memory was 101.2 MB in the beginning and 90.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 147.16 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 90.3 MB in the beginning and 179.4 MB in the end (delta: -89.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 609.10 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 151.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1691.92 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 150.4 MB in the beginning and 131.9 MB in the end (delta: 18.5 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: unable to decide satisfiability of path constraint.
Possible FailurePath:
[L17] int N;
[L21] N = __VERIFIER_nondet_int()
[L22] COND FALSE !(N <= 0)
[L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L11] COND FALSE !(!cond)
[L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L25] int i;
[L26] long long *a = malloc(sizeof(long long)*N);
[L27] long long *b = malloc(sizeof(long long)*N);
[L29] a[0] = 1
[L30] b[0] = 1
[L31] i=1
[L31] COND FALSE !(i<N)
[L36] i=1
[L36] COND FALSE !(i<N)
[L41] i=0
[L41] COND TRUE i<N
[L43] EXPR b[i]
[L43] CALL __VERIFIER_assert(b[i] == 5*i*i + 5*i + 1)
[L13] COND TRUE !(cond)
[L13] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 10 SDslu, 5 SDs, 0 SdLazy, 47 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 1564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 could not prove your program: unable to determine feasibility of some traces
Received shutdown request...