/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/floats-cbmc-regression/float1.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 18:29:08,782 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 18:29:08,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 18:29:08,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 18:29:08,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 18:29:08,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 18:29:08,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 18:29:08,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 18:29:08,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 18:29:08,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 18:29:08,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 18:29:08,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 18:29:08,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 18:29:08,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 18:29:08,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 18:29:08,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 18:29:08,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 18:29:08,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 18:29:08,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 18:29:08,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 18:29:08,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 18:29:08,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 18:29:08,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 18:29:08,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 18:29:08,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 18:29:08,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 18:29:08,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 18:29:08,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 18:29:08,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-22 18:29:08,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-22 18:29:08,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-22 18:29:08,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-22 18:29:08,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-08-22 18:29:08,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-22 18:29:08,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-22 18:29:08,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-22 18:29:08,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-22 18:29:08,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-08-22 18:29:08,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 18:29:08,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-08-22 18:29:08,853 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 18:29:08,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 18:29:08,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 18:29:08,855 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 18:29:08,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 18:29:08,855 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 18:29:08,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 18:29:08,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 18:29:08,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 18:29:08,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 18:29:08,856 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 18:29:08,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 18:29:08,857 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 18:29:08,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 18:29:08,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 18:29:08,857 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-08-22 18:29:08,858 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 18:29:08,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 18:29:08,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 18:29:08,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 18:29:08,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 18:29:08,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 18:29:08,859 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
[2020-08-22 18:29:09,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 18:29:09,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 18:29:09,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 18:29:09,179 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 18:29:09,179 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 18:29:09,180 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float1.c
[2020-08-22 18:29:09,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c79e5252/5d50a822d50045c596c428dcd0112792/FLAG4407aa598
[2020-08-22 18:29:09,697 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 18:29:09,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float1.c
[2020-08-22 18:29:09,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c79e5252/5d50a822d50045c596c428dcd0112792/FLAG4407aa598
[2020-08-22 18:29:10,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c79e5252/5d50a822d50045c596c428dcd0112792
[2020-08-22 18:29:10,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 18:29:10,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 18:29:10,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 18:29:10,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 18:29:10,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 18:29:10,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6251f5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10, skipping insertion in model container
[2020-08-22 18:29:10,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 18:29:10,100 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 18:29:10,280 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 18:29:10,286 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 18:29:10,301 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 18:29:10,313 INFO L208 MainTranslator]: Completed translation
[2020-08-22 18:29:10,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10 WrapperNode
[2020-08-22 18:29:10,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 18:29:10,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 18:29:10,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 18:29:10,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 18:29:10,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (1/1) ...
[2020-08-22 18:29:10,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 18:29:10,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 18:29:10,341 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 18:29:10,341 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 18:29:10,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 18:29:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 18:29:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 18:29:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 18:29:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 18:29:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 18:29:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 18:29:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 18:29:10,632 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 18:29:10,632 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-08-22 18:29:10,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:10 BoogieIcfgContainer
[2020-08-22 18:29:10,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 18:29:10,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 18:29:10,638 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 18:29:10,641 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 18:29:10,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:29:10" (1/3) ...
[2020-08-22 18:29:10,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d914bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:10, skipping insertion in model container
[2020-08-22 18:29:10,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:10" (2/3) ...
[2020-08-22 18:29:10,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d914bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:10, skipping insertion in model container
[2020-08-22 18:29:10,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:10" (3/3) ...
[2020-08-22 18:29:10,645 INFO L109 eAbstractionObserver]: Analyzing ICFG float1.c
[2020-08-22 18:29:10,655 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 18:29:10,661 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-08-22 18:29:10,675 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2020-08-22 18:29:10,698 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 18:29:10,698 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 18:29:10,699 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-08-22 18:29:10,699 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 18:29:10,699 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 18:29:10,699 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 18:29:10,699 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 18:29:10,699 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 18:29:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states.
[2020-08-22 18:29:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-08-22 18:29:10,723 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 18:29:10,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 18:29:10,725 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 18:29:10,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 18:29:10,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1235461758, now seen corresponding path program 1 times
[2020-08-22 18:29:10,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 18:29:10,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970851214]
[2020-08-22 18:29:10,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 18:29:10,794 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-08-22 18:29:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 18:29:10,816 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 18:29:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 18:29:10,820 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 18:29:10,840 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-22 18:29:10,841 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 18:29:10,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 18:29:10,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:29:10 BoogieIcfgContainer
[2020-08-22 18:29:10,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 18:29:10,859 INFO L168 Benchmark]: Toolchain (without parser) took 787.73 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 101.2 MB in the beginning and 154.8 MB in the end (delta: -53.7 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
[2020-08-22 18:29:10,860 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 143.7 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-22 18:29:10,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.18 ms. Allocated memory is still 143.7 MB. Free memory was 101.0 MB in the beginning and 91.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
[2020-08-22 18:29:10,862 INFO L168 Benchmark]: Boogie Preprocessor took 26.07 ms. Allocated memory is still 143.7 MB. Free memory was 91.7 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-08-22 18:29:10,863 INFO L168 Benchmark]: RCFGBuilder took 295.61 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 90.3 MB in the beginning and 167.9 MB in the end (delta: -77.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2020-08-22 18:29:10,864 INFO L168 Benchmark]: TraceAbstraction took 218.22 ms. Allocated memory is still 199.2 MB. Free memory was 167.9 MB in the beginning and 154.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB.
[2020-08-22 18:29:10,868 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.84 ms. Allocated memory is still 143.7 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 243.18 ms. Allocated memory is still 143.7 MB. Free memory was 101.0 MB in the beginning and 91.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 26.07 ms. Allocated memory is still 143.7 MB. Free memory was 91.7 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 295.61 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 90.3 MB in the beginning and 167.9 MB in the end (delta: -77.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 218.22 ms. Allocated memory is still 199.2 MB. Free memory was 167.9 MB in the beginning and 154.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of to_int at line 8, overapproximation of to_real at line 6, overapproximation of someBinaryArithmeticDOUBLEoperation at line 7.
Possible FailurePath:
[L3] double x;
[L4] int y;
[L6] x=2
[L7] x-=0.6
[L8] y=x
[L10] COND TRUE !(y==1)
[L10] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=22occurred 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 could not prove your program: unable to determine feasibility of some traces
Received shutdown request...