/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test26-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-3af5e1f
[2020-09-04 16:40:40,072 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-04 16:40:40,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-04 16:40:40,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-04 16:40:40,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-04 16:40:40,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-04 16:40:40,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-04 16:40:40,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-04 16:40:40,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-04 16:40:40,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-04 16:40:40,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-04 16:40:40,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-04 16:40:40,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-04 16:40:40,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-04 16:40:40,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-04 16:40:40,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-04 16:40:40,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-04 16:40:40,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-04 16:40:40,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-04 16:40:40,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-04 16:40:40,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-04 16:40:40,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-04 16:40:40,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-04 16:40:40,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-04 16:40:40,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-04 16:40:40,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-04 16:40:40,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-04 16:40:40,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-04 16:40:40,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-04 16:40:40,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-04 16:40:40,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-04 16:40:40,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-04 16:40:40,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-09-04 16:40:40,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-04 16:40:40,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-04 16:40:40,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-04 16:40:40,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-04 16:40:40,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-04 16:40:40,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-04 16:40:40,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-04 16:40:40,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-09-04 16:40:40,199 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-04 16:40:40,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-04 16:40:40,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-04 16:40:40,203 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-04 16:40:40,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-04 16:40:40,203 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-04 16:40:40,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-04 16:40:40,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-04 16:40:40,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-04 16:40:40,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-04 16:40:40,206 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-04 16:40:40,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-04 16:40:40,207 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-04 16:40:40,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-04 16:40:40,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-04 16:40:40,208 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-09-04 16:40:40,208 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-04 16:40:40,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-04 16:40:40,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-04 16:40:40,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-04 16:40:40,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-09-04 16:40:40,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-04 16:40:40,209 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
[2020-09-04 16:40:40,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-04 16:40:40,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-04 16:40:40,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-04 16:40:40,749 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-04 16:40:40,750 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-04 16:40:40,751 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-2.c
[2020-09-04 16:40:40,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef397385f/000bdca763aa4d5aa66b900132ea9b83/FLAGbae1275fd
[2020-09-04 16:40:41,465 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-04 16:40:41,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test26-2.c
[2020-09-04 16:40:41,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef397385f/000bdca763aa4d5aa66b900132ea9b83/FLAGbae1275fd
[2020-09-04 16:40:41,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef397385f/000bdca763aa4d5aa66b900132ea9b83
[2020-09-04 16:40:41,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-04 16:40:41,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-04 16:40:41,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-04 16:40:41,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-04 16:40:41,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-04 16:40:41,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:40:41" (1/1) ...
[2020-09-04 16:40:41,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e140ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:41, skipping insertion in model container
[2020-09-04 16:40:41,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:40:41" (1/1) ...
[2020-09-04 16:40:41,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-04 16:40:41,866 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-04 16:40:42,087 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 16:40:42,103 INFO L203 MainTranslator]: Completed pre-run
[2020-09-04 16:40:42,124 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 16:40:42,144 INFO L208 MainTranslator]: Completed translation
[2020-09-04 16:40:42,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42 WrapperNode
[2020-09-04 16:40:42,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-04 16:40:42,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-04 16:40:42,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-04 16:40:42,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-04 16:40:42,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (1/1) ...
[2020-09-04 16:40:42,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (1/1) ...
[2020-09-04 16:40:42,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (1/1) ...
[2020-09-04 16:40:42,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (1/1) ...
[2020-09-04 16:40:42,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (1/1) ...
[2020-09-04 16:40:42,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (1/1) ...
[2020-09-04 16:40:42,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (1/1) ...
[2020-09-04 16:40:42,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-04 16:40:42,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-04 16:40:42,275 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-04 16:40:42,276 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-04 16:40:42,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-04 16:40:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-04 16:40:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-04 16:40:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assign
[2020-09-04 16:40:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-04 16:40:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-04 16:40:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure assign
[2020-09-04 16:40:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-04 16:40:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-04 16:40:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-04 16:40:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-04 16:40:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-04 16:40:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-04 16:40:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-04 16:40:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-04 16:40:42,633 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-04 16:40:42,634 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-04 16:40:42,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:40:42 BoogieIcfgContainer
[2020-09-04 16:40:42,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-04 16:40:42,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-04 16:40:42,659 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-04 16:40:42,668 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-04 16:40:42,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:40:41" (1/3) ...
[2020-09-04 16:40:42,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d50231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:40:42, skipping insertion in model container
[2020-09-04 16:40:42,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:42" (2/3) ...
[2020-09-04 16:40:42,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d50231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:40:42, skipping insertion in model container
[2020-09-04 16:40:42,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:40:42" (3/3) ...
[2020-09-04 16:40:42,676 INFO L109 eAbstractionObserver]: Analyzing ICFG test26-2.c
[2020-09-04 16:40:42,705 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-04 16:40:42,714 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-04 16:40:42,734 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-04 16:40:42,759 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-04 16:40:42,759 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-04 16:40:42,760 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-09-04 16:40:42,760 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-04 16:40:42,760 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-04 16:40:42,760 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-04 16:40:42,760 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-04 16:40:42,760 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-04 16:40:42,778 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states.
[2020-09-04 16:40:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-09-04 16:40:42,792 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 16:40:42,793 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]
[2020-09-04 16:40:42,794 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 16:40:42,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 16:40:42,800 INFO L82 PathProgramCache]: Analyzing trace with hash 584275181, now seen corresponding path program 1 times
[2020-09-04 16:40:42,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-04 16:40:42,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149044615]
[2020-09-04 16:40:42,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 16:40:42,891 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-09-04 16:40:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-04 16:40:43,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-09-04 16:40:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-04 16:40:43,080 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-09-04 16:40:43,132 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-04 16:40:43,133 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-04 16:40:43,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-04 16:40:43,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:40:43 BoogieIcfgContainer
[2020-09-04 16:40:43,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-04 16:40:43,161 INFO L168 Benchmark]: Toolchain (without parser) took 1342.21 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 103.6 MB in the beginning and 151.3 MB in the end (delta: -47.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB.
[2020-09-04 16:40:43,162 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB.
[2020-09-04 16:40:43,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.57 ms. Allocated memory is still 140.0 MB. Free memory was 103.6 MB in the beginning and 93.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
[2020-09-04 16:40:43,165 INFO L168 Benchmark]: Boogie Preprocessor took 128.91 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 93.6 MB in the beginning and 181.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB.
[2020-09-04 16:40:43,166 INFO L168 Benchmark]: RCFGBuilder took 367.66 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 166.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB.
[2020-09-04 16:40:43,167 INFO L168 Benchmark]: TraceAbstraction took 498.81 ms. Allocated memory is still 203.9 MB. Free memory was 166.5 MB in the beginning and 151.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB.
[2020-09-04 16:40:43,173 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 326.57 ms. Allocated memory is still 140.0 MB. Free memory was 103.6 MB in the beginning and 93.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 128.91 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 93.6 MB in the beginning and 181.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 367.66 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 166.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 498.81 ms. Allocated memory is still 203.9 MB. Free memory was 166.5 MB in the beginning and 151.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 24]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L3-L5] struct dummy {
int a, b;
} global = {0, 1};
[L14] struct dummy *pd = &global;
[L16] CALL assign(&pd->b, &pd->b)
[L9] EXPR \read(*pb)
[L9] *pa = *pb
[L16] RET assign(&pd->b, &pd->b)
[L18] EXPR pd->a
[L18] EXPR global.b
[L18] COND TRUE pd->a != global.b
[L24] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...