/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/ldv-regression/oomInt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-36cd7be
[2021-02-23 18:05:47,140 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-23 18:05:47,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-23 18:05:47,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-23 18:05:47,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-23 18:05:47,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-23 18:05:47,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-02-23 18:05:47,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-02-23 18:05:47,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-02-23 18:05:47,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-02-23 18:05:47,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-02-23 18:05:47,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-02-23 18:05:47,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-02-23 18:05:47,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-02-23 18:05:47,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-23 18:05:47,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-23 18:05:47,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-23 18:05:47,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-23 18:05:47,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-23 18:05:47,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-23 18:05:47,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-23 18:05:47,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-23 18:05:47,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-23 18:05:47,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-02-23 18:05:47,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-02-23 18:05:47,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-02-23 18:05:47,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-02-23 18:05:47,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-02-23 18:05:47,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-02-23 18:05:47,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-02-23 18:05:47,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-02-23 18:05:47,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-02-23 18:05:47,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-02-23 18:05:47,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-02-23 18:05:47,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-02-23 18:05:47,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-02-23 18:05:47,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-02-23 18:05:47,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-02-23 18:05:47,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-02-23 18:05:47,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-02-23 18:05:47,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-23 18:05:47,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2021-02-23 18:05:47,272 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-23 18:05:47,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-23 18:05:47,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-23 18:05:47,274 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-23 18:05:47,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-23 18:05:47,275 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-23 18:05:47,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-23 18:05:47,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-23 18:05:47,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-23 18:05:47,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-23 18:05:47,276 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-23 18:05:47,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-23 18:05:47,276 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-23 18:05:47,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-23 18:05:47,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-23 18:05:47,277 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2021-02-23 18:05:47,277 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-02-23 18:05:47,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-23 18:05:47,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-23 18:05:47,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-23 18:05:47,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-02-23 18:05:47,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-23 18:05:47,278 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-23 18:05:47,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-23 18:05:47,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-23 18:05:47,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-23 18:05:47,704 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-23 18:05:47,704 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-23 18:05:47,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i
[2021-02-23 18:05:47,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d66942d/dc2dd0068d89431790f51639d751650f/FLAG86fade8a3
[2021-02-23 18:05:48,324 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-23 18:05:48,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i
[2021-02-23 18:05:48,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d66942d/dc2dd0068d89431790f51639d751650f/FLAG86fade8a3
[2021-02-23 18:05:48,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d66942d/dc2dd0068d89431790f51639d751650f
[2021-02-23 18:05:48,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-23 18:05:48,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-23 18:05:48,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-23 18:05:48,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-23 18:05:48,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-23 18:05:48,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:48,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad3770a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48, skipping insertion in model container
[2021-02-23 18:05:48,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:48,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-23 18:05:48,780 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-23 18:05:48,933 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i[319,332]
[2021-02-23 18:05:48,943 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-23 18:05:48,953 INFO L203 MainTranslator]: Completed pre-run
[2021-02-23 18:05:48,966 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i[319,332]
[2021-02-23 18:05:48,969 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-23 18:05:48,984 INFO L208 MainTranslator]: Completed translation
[2021-02-23 18:05:48,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48 WrapperNode
[2021-02-23 18:05:48,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-23 18:05:48,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-23 18:05:48,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-23 18:05:48,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-23 18:05:48,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:48,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:49,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:49,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:49,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:49,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:49,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (1/1) ...
[2021-02-23 18:05:49,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-23 18:05:49,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-23 18:05:49,019 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-23 18:05:49,019 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-23 18:05:49,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (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
[2021-02-23 18:05:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-23 18:05:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-23 18:05:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-23 18:05:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-02-23 18:05:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int
[2021-02-23 18:05:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction
[2021-02-23 18:05:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-23 18:05:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-23 18:05:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-23 18:05:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-23 18:05:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-23 18:05:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-02-23 18:05:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int
[2021-02-23 18:05:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction
[2021-02-23 18:05:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-23 18:05:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-23 18:05:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-23 18:05:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-23 18:05:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-23 18:05:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-23 18:05:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-23 18:05:49,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-23 18:05:49,572 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-02-23 18:05:49,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:05:49 BoogieIcfgContainer
[2021-02-23 18:05:49,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-23 18:05:49,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-23 18:05:49,581 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-23 18:05:49,588 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-23 18:05:49,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:05:48" (1/3) ...
[2021-02-23 18:05:49,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748e58fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:05:49, skipping insertion in model container
[2021-02-23 18:05:49,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:48" (2/3) ...
[2021-02-23 18:05:49,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748e58fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:05:49, skipping insertion in model container
[2021-02-23 18:05:49,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:05:49" (3/3) ...
[2021-02-23 18:05:49,597 INFO L111 eAbstractionObserver]: Analyzing ICFG oomInt.i
[2021-02-23 18:05:49,606 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-02-23 18:05:49,614 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-23 18:05:49,634 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-23 18:05:49,677 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-23 18:05:49,678 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-23 18:05:49,678 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2021-02-23 18:05:49,678 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-23 18:05:49,678 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-23 18:05:49,678 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-23 18:05:49,678 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-23 18:05:49,678 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-23 18:05:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states.
[2021-02-23 18:05:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2021-02-23 18:05:49,703 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 18:05:49,704 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]
[2021-02-23 18:05:49,704 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 18:05:49,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 18:05:49,714 INFO L82 PathProgramCache]: Analyzing trace with hash -193580331, now seen corresponding path program 1 times
[2021-02-23 18:05:49,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-23 18:05:49,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511367325]
[2021-02-23 18:05:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 18:05:49,820 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-23 18:05:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 18:05:50,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:05:50,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-23 18:05:50,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-23 18:05:50,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-23 18:05:50,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-23 18:05:50,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:05:50,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 18:05:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 18:05:50,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:05:50,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-02-23 18:05:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 18:05:50,205 WARN L141 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size
[2021-02-23 18:05:50,207 WARN L147 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size 9
[2021-02-23 18:05:50,221 WARN L141 QuantifierPusher]: treesize reduction -2, result has 125.0 percent of original size
[2021-02-23 18:05:50,222 WARN L147 QuantifierPusher]: treesize reduction -2, result has 125.0 percent of original size 10
[2021-02-23 18:05:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 18:05:50,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511367325]
[2021-02-23 18:05:50,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 18:05:50,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-02-23 18:05:50,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21874759]
[2021-02-23 18:05:50,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-02-23 18:05:50,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2021-02-23 18:05:50,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-02-23 18:05:50,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2021-02-23 18:05:50,272 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 9 states.
[2021-02-23 18:05:50,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 18:05:50,708 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions.
[2021-02-23 18:05:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-02-23 18:05:50,711 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27
[2021-02-23 18:05:50,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 18:05:50,720 INFO L225 Difference]: With dead ends: 64
[2021-02-23 18:05:50,720 INFO L226 Difference]: Without dead ends: 28
[2021-02-23 18:05:50,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2021-02-23 18:05:50,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2021-02-23 18:05:50,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2021-02-23 18:05:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2021-02-23 18:05:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions.
[2021-02-23 18:05:50,782 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 27
[2021-02-23 18:05:50,782 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 18:05:50,783 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions.
[2021-02-23 18:05:50,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2021-02-23 18:05:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions.
[2021-02-23 18:05:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2021-02-23 18:05:50,787 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 18:05:50,788 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]
[2021-02-23 18:05:50,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-23 18:05:50,788 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 18:05:50,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 18:05:50,789 INFO L82 PathProgramCache]: Analyzing trace with hash 114457237, now seen corresponding path program 1 times
[2021-02-23 18:05:50,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-23 18:05:50,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848936872]
[2021-02-23 18:05:50,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 18:05:50,796 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-23 18:05:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 18:05:50,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:05:50,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:05:50,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 18:05:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 18:05:50,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:05:50,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-02-23 18:05:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 18:05:50,951 WARN L141 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size
[2021-02-23 18:05:50,952 WARN L147 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size 9
[2021-02-23 18:05:50,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size
[2021-02-23 18:05:50,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16
[2021-02-23 18:05:50,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:05:50,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-23 18:05:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 18:05:50,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848936872]
[2021-02-23 18:05:50,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 18:05:50,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-02-23 18:05:50,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162504969]
[2021-02-23 18:05:50,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-02-23 18:05:50,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2021-02-23 18:05:50,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-02-23 18:05:50,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-02-23 18:05:50,997 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 6 states.
[2021-02-23 18:05:51,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 18:05:51,102 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions.
[2021-02-23 18:05:51,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-02-23 18:05:51,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27
[2021-02-23 18:05:51,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 18:05:51,104 INFO L225 Difference]: With dead ends: 28
[2021-02-23 18:05:51,104 INFO L226 Difference]: Without dead ends: 0
[2021-02-23 18:05:51,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-02-23 18:05:51,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-02-23 18:05:51,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-02-23 18:05:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-02-23 18:05:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-02-23 18:05:51,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27
[2021-02-23 18:05:51,107 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 18:05:51,107 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-02-23 18:05:51,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2021-02-23 18:05:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-02-23 18:05:51,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-02-23 18:05:51,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-02-23 18:05:51,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-02-23 18:05:51,589 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed.
[2021-02-23 18:05:51,590 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed.
[2021-02-23 18:05:51,591 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed.
[2021-02-23 18:05:51,591 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true
[2021-02-23 18:05:51,592 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true
[2021-02-23 18:05:51,592 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true
[2021-02-23 18:05:51,592 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true
[2021-02-23 18:05:51,593 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true
[2021-02-23 18:05:51,593 INFO L192 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: true
[2021-02-23 18:05:51,593 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2021-02-23 18:05:51,593 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~p~0 |old(~p~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2021-02-23 18:05:51,593 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true
[2021-02-23 18:05:51,593 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true
[2021-02-23 18:05:51,594 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2021-02-23 18:05:51,594 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2021-02-23 18:05:51,594 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true
[2021-02-23 18:05:51,594 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2021-02-23 18:05:51,594 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2021-02-23 18:05:51,594 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 35 38) the Hoare annotation is: (= ~p~0 |old(~p~0)|)
[2021-02-23 18:05:51,594 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 35 38) the Hoare annotation is: true
[2021-02-23 18:05:51,595 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 35 38) the Hoare annotation is: true
[2021-02-23 18:05:51,595 INFO L185 CegarLoopUtils]: At program point abs_intEXIT(lines 18 27) the Hoare annotation is: (let ((.cse0 (= (+ abs_int_~i 3) 0))) (or (and (not .cse0) (= |abs_int_#in~i| abs_int_~i)) (and (or (not (= (+ |abs_int_#in~i| 3) 0)) (<= 3 |abs_int_#res|)) .cse0)))
[2021-02-23 18:05:51,595 INFO L185 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: (and (not (= (+ abs_int_~i 3) 0)) (= |abs_int_#in~i| abs_int_~i))
[2021-02-23 18:05:51,596 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: (or (= |abs_int_#in~i| abs_int_~i) (= (+ abs_int_~i 3) 0))
[2021-02-23 18:05:51,596 INFO L185 CegarLoopUtils]: At program point L20(lines 20 26) the Hoare annotation is: (or (= |abs_int_#in~i| abs_int_~i) (= (+ abs_int_~i 3) 0))
[2021-02-23 18:05:51,596 INFO L192 CegarLoopUtils]: At program point abs_intENTRY(lines 18 27) the Hoare annotation is: true
[2021-02-23 18:05:51,596 INFO L185 CegarLoopUtils]: At program point abs_intFINAL(lines 18 27) the Hoare annotation is: (let ((.cse0 (= (+ abs_int_~i 3) 0))) (or (and (not .cse0) (= |abs_int_#in~i| abs_int_~i)) (and (or (not (= (+ |abs_int_#in~i| 3) 0)) (<= 3 |abs_int_#res|)) .cse0)))
[2021-02-23 18:05:51,596 INFO L185 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: (<= 1 ~p~0)
[2021-02-23 18:05:51,597 INFO L185 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: (and (= ~p~0 |old(~p~0)|) (<= 1 |firstFunction_#t~ret7|))
[2021-02-23 18:05:51,597 INFO L185 CegarLoopUtils]: At program point L31-1(line 31) the Hoare annotation is: (and (= ~p~0 |old(~p~0)|) (<= 1 |firstFunction_#t~ret7|))
[2021-02-23 18:05:51,597 INFO L185 CegarLoopUtils]: At program point L31-2(line 31) the Hoare annotation is: (and (<= 1 |firstFunction_#t~ret7|) (<= 1 ~p~0))
[2021-02-23 18:05:51,597 INFO L185 CegarLoopUtils]: At program point firstFunctionENTRY(lines 29 33) the Hoare annotation is: (= ~p~0 |old(~p~0)|)
[2021-02-23 18:05:51,597 INFO L192 CegarLoopUtils]: At program point firstFunctionFINAL(lines 29 33) the Hoare annotation is: true
[2021-02-23 18:05:51,598 INFO L192 CegarLoopUtils]: At program point firstFunctionEXIT(lines 29 33) the Hoare annotation is: true
[2021-02-23 18:05:51,598 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 8 14) the Hoare annotation is: true
[2021-02-23 18:05:51,598 INFO L185 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~i| 0) (not (<= 1 ~p~0)))
[2021-02-23 18:05:51,598 INFO L185 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~i| 0) (not (<= 1 ~p~0)))
[2021-02-23 18:05:51,598 INFO L185 CegarLoopUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (not (<= 1 ~p~0)) (= |__VERIFIER_assert_#in~i| 0) (not (= __VERIFIER_assert_~i 0)))
[2021-02-23 18:05:51,598 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 8 14) the Hoare annotation is: (or (not (<= 1 ~p~0)) (= |__VERIFIER_assert_#in~i| 0) (not (= __VERIFIER_assert_~i 0)))
[2021-02-23 18:05:51,599 INFO L185 CegarLoopUtils]: At program point L10-2(lines 8 14) the Hoare annotation is: (or (not (<= 1 ~p~0)) (= |__VERIFIER_assert_#in~i| 0) (not (= __VERIFIER_assert_~i 0)))
[2021-02-23 18:05:51,599 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~i| 0) (not (<= 1 ~p~0)))
[2021-02-23 18:05:51,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:05:51 BoogieIcfgContainer
[2021-02-23 18:05:51,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-23 18:05:51,626 INFO L168 Benchmark]: Toolchain (without parser) took 2894.80 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 136.1 MB in the beginning and 152.3 MB in the end (delta: -16.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 8.0 GB.
[2021-02-23 18:05:51,626 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 160.4 MB. Free memory is still 133.8 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-23 18:05:51,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.13 ms. Allocated memory is still 160.4 MB. Free memory was 134.9 MB in the beginning and 125.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-02-23 18:05:51,631 INFO L168 Benchmark]: Boogie Preprocessor took 32.27 ms. Allocated memory is still 160.4 MB. Free memory was 125.7 MB in the beginning and 124.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-02-23 18:05:51,632 INFO L168 Benchmark]: RCFGBuilder took 558.68 ms. Allocated memory is still 160.4 MB. Free memory was 124.4 MB in the beginning and 111.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2021-02-23 18:05:51,637 INFO L168 Benchmark]: TraceAbstraction took 2043.58 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 110.5 MB in the beginning and 152.3 MB in the end (delta: -41.8 MB). Peak memory consumption was 79.0 MB. Max. memory is 8.0 GB.
[2021-02-23 18:05:51,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.99 ms. Allocated memory is still 160.4 MB. Free memory is still 133.8 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 240.13 ms. Allocated memory is still 160.4 MB. Free memory was 134.9 MB in the beginning and 125.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 32.27 ms. Allocated memory is still 160.4 MB. Free memory was 125.7 MB in the beginning and 124.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 558.68 ms. Allocated memory is still 160.4 MB. Free memory was 124.4 MB in the beginning and 111.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 2043.58 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 110.5 MB in the beginning and 152.3 MB in the end (delta: -41.8 MB). Peak memory consumption was 79.0 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 12]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- ProcedureContractResult [Line: 18]: Procedure Contract for abs_int
Derived contract for procedure abs_int: (!(i + 3 == 0) && \old(i) == i) || ((!(\old(i) + 3 == 0) || 3 <= \result) && i + 3 == 0)
- ProcedureContractResult [Line: 29]: Procedure Contract for firstFunction
Derived contract for procedure firstFunction: 1
- ProcedureContractResult [Line: 35]: Procedure Contract for main
Derived contract for procedure main: 1
- ProcedureContractResult [Line: 8]: 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 7 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 45 SDtfs, 44 SDslu, 165 SDs, 0 SdLazy, 127 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 38 LocationsWithAnnotation, 45 PreInvPairs, 67 NumberOfFragments, 226 HoareAnnotationTreeSize, 45 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 38 FomulaSimplificationsInter, 577 FormulaSimplificationTreeSizeReductionInter, 0.3s 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...