/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:34:04,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:34:04,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:34:04,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:34:04,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:34:04,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:34:04,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:34:04,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:34:04,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:34:04,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:34:05,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:34:05,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:34:05,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:34:05,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:34:05,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:34:05,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:34:05,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:34:05,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:34:05,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:34:05,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:34:05,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:34:05,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:34:05,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:34:05,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:34:05,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:34:05,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:34:05,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:34:05,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:34:05,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:34:05,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:34:05,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:34:05,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:34:05,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:34:05,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:34:05,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:34:05,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:34:05,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:34:05,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:34:05,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:34:05,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:34:05,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:34:05,039 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 21:34:05,055 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:34:05,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:34:05,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:34:05,058 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:34:05,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:34:05,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:34:05,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:34:05,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:34:05,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:34:05,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:34:05,060 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:34:05,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:34:05,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:34:05,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:34:05,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:34:05,061 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:34:05,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:34:05,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:34:05,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:34:05,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:34:05,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:34:05,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:34:05,062 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 21:34:05,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:34:05,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:34:05,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:34:05,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:34:05,524 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:34:05,525 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2020-09-04 21:34:05,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00205dbf7/4a77b9f6daad4dfa963f71c91f671432/FLAGe05b9cfdb [2020-09-04 21:34:06,122 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:34:06,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2020-09-04 21:34:06,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00205dbf7/4a77b9f6daad4dfa963f71c91f671432/FLAGe05b9cfdb [2020-09-04 21:34:06,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00205dbf7/4a77b9f6daad4dfa963f71c91f671432 [2020-09-04 21:34:06,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:34:06,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:34:06,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:34:06,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:34:06,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:34:06,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3250662d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06, skipping insertion in model container [2020-09-04 21:34:06,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:34:06,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:34:06,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:34:06,726 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:34:06,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:34:06,761 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:34:06,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06 WrapperNode [2020-09-04 21:34:06,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:34:06,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:34:06,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:34:06,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:34:06,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (1/1) ... [2020-09-04 21:34:06,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:34:06,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:34:06,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:34:06,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:34:06,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (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 21:34:06,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:34:06,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:34:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:34:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:34:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:34:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:34:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:34:07,095 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:34:07,095 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 21:34:07,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:34:07 BoogieIcfgContainer [2020-09-04 21:34:07,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:34:07,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:34:07,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:34:07,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:34:07,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:34:06" (1/3) ... [2020-09-04 21:34:07,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e148e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:34:07, skipping insertion in model container [2020-09-04 21:34:07,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:06" (2/3) ... [2020-09-04 21:34:07,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e148e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:34:07, skipping insertion in model container [2020-09-04 21:34:07,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:34:07" (3/3) ... [2020-09-04 21:34:07,108 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c [2020-09-04 21:34:07,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:34:07,126 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:34:07,147 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:34:07,175 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:34:07,176 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:34:07,176 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:34:07,176 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:34:07,176 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:34:07,177 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:34:07,177 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:34:07,177 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:34:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-09-04 21:34:07,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-04 21:34:07,205 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:34:07,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:34:07,206 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:34:07,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:34:07,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1924372563, now seen corresponding path program 1 times [2020-09-04 21:34:07,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:34:07,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42327382] [2020-09-04 21:34:07,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:34:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:34:07,313 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:34:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:34:07,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:34:07,341 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 21:34:07,342 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 21:34:07,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:34:07,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:34:07 BoogieIcfgContainer [2020-09-04 21:34:07,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 21:34:07,369 INFO L168 Benchmark]: Toolchain (without parser) took 878.34 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 157.1 MB in the end (delta: -55.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:07,370 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 21:34:07,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.02 ms. Allocated memory is still 137.4 MB. Free memory was 101.6 MB in the beginning and 92.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:07,372 INFO L168 Benchmark]: Boogie Preprocessor took 28.93 ms. Allocated memory is still 137.4 MB. Free memory was 92.3 MB in the beginning and 90.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:07,373 INFO L168 Benchmark]: RCFGBuilder took 307.55 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 90.9 MB in the beginning and 169.0 MB in the end (delta: -78.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:07,374 INFO L168 Benchmark]: TraceAbstraction took 264.72 ms. Allocated memory is still 200.3 MB. Free memory was 169.0 MB in the beginning and 157.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:07,378 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.02 ms. Allocated memory is still 137.4 MB. Free memory was 101.6 MB in the beginning and 92.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.93 ms. Allocated memory is still 137.4 MB. Free memory was 92.3 MB in the beginning and 90.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.55 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 90.9 MB in the beginning and 169.0 MB in the end (delta: -78.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264.72 ms. Allocated memory is still 200.3 MB. Free memory was 169.0 MB in the beginning and 157.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 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 9, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) VAL [j=0] [L10] __VERIFIER_error() VAL [j=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 17 locations, 1 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=17occurred 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...