/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/float-no-simp3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:08:35,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:08:35,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:08:35,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:08:35,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:08:35,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:08:35,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:08:35,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:08:35,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:08:35,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:08:35,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:08:35,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:08:35,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:08:35,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:08:35,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:08:35,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:08:35,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:08:35,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:08:35,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:08:35,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:08:35,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:08:35,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:08:35,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:08:35,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:08:35,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:08:35,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:08:35,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:08:35,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:08:35,370 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 16:08:35,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:08:35,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:08:35,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:08:35,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:08:35,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:08:35,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:08:35,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:08:35,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:08:35,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:08:35,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:08:35,389 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:08:35,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:08:35,389 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:08:35,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:08:35,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:08:35,390 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:08:35,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:08:35,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:08:35,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:08:35,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:08:35,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:08:35,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:08:35,392 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:08:35,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:08:35,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:08:35,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:08:35,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:08:35,834 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:08:35,835 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2020-09-04 16:08:35,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3c5daa21/3cb659086b4448e4b717fe6ac24509ff/FLAG0a54b5ce6 [2020-09-04 16:08:36,384 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:08:36,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2020-09-04 16:08:36,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3c5daa21/3cb659086b4448e4b717fe6ac24509ff/FLAG0a54b5ce6 [2020-09-04 16:08:36,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3c5daa21/3cb659086b4448e4b717fe6ac24509ff [2020-09-04 16:08:36,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:08:36,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:08:36,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:08:36,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:08:36,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:08:36,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:08:36" (1/1) ... [2020-09-04 16:08:36,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b03ff29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:36, skipping insertion in model container [2020-09-04 16:08:36,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:08:36" (1/1) ... [2020-09-04 16:08:36,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:08:36,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:08:36,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:08:36,996 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:08:37,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:08:37,030 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:08:37,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37 WrapperNode [2020-09-04 16:08:37,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:08:37,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:08:37,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:08:37,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:08:37,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (1/1) ... [2020-09-04 16:08:37,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (1/1) ... [2020-09-04 16:08:37,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (1/1) ... [2020-09-04 16:08:37,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (1/1) ... [2020-09-04 16:08:37,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (1/1) ... [2020-09-04 16:08:37,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (1/1) ... [2020-09-04 16:08:37,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (1/1) ... [2020-09-04 16:08:37,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:08:37,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:08:37,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:08:37,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:08:37,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (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 16:08:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:08:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:08:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:08:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:08:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:08:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:08:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:08:37,346 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:08:37,346 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:08:37,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:08:37 BoogieIcfgContainer [2020-09-04 16:08:37,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:08:37,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:08:37,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:08:37,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:08:37,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:08:36" (1/3) ... [2020-09-04 16:08:37,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242b25b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:08:37, skipping insertion in model container [2020-09-04 16:08:37,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:08:37" (2/3) ... [2020-09-04 16:08:37,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242b25b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:08:37, skipping insertion in model container [2020-09-04 16:08:37,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:08:37" (3/3) ... [2020-09-04 16:08:37,360 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp3.c [2020-09-04 16:08:37,371 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:08:37,381 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:08:37,402 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:08:37,428 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:08:37,428 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:08:37,429 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:08:37,429 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:08:37,429 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:08:37,429 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:08:37,429 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:08:37,430 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:08:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-09-04 16:08:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-04 16:08:37,456 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:08:37,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:08:37,458 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:08:37,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:08:37,466 INFO L82 PathProgramCache]: Analyzing trace with hash -961212715, now seen corresponding path program 1 times [2020-09-04 16:08:37,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:08:37,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316046306] [2020-09-04 16:08:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:08:37,544 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:08:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:08:37,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:08:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:08:37,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:08:37,597 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:08:37,597 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:08:37,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:08:37,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:08:37 BoogieIcfgContainer [2020-09-04 16:08:37,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:08:37,619 INFO L168 Benchmark]: Toolchain (without parser) took 877.10 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 156.1 MB in the end (delta: -56.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-09-04 16:08:37,621 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 16:08:37,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.16 ms. Allocated memory is still 135.8 MB. Free memory was 100.0 MB in the beginning and 90.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-09-04 16:08:37,623 INFO L168 Benchmark]: Boogie Preprocessor took 29.28 ms. Allocated memory is still 135.8 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-04 16:08:37,624 INFO L168 Benchmark]: RCFGBuilder took 289.80 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 89.3 MB in the beginning and 168.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:08:37,625 INFO L168 Benchmark]: TraceAbstraction took 263.60 ms. Allocated memory is still 199.2 MB. Free memory was 168.7 MB in the beginning and 156.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-04 16:08:37,629 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.16 ms. Allocated memory is still 135.8 MB. Free memory was 100.0 MB in the beginning and 90.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.28 ms. Allocated memory is still 135.8 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.80 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 89.3 MB in the beginning and 168.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 263.60 ms. Allocated memory is still 199.2 MB. Free memory was 168.7 MB in the beginning and 156.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: 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 someBinaryArithmeticFLOAToperation at line 7. Possible FailurePath: [L6] float fs1=2.0f/6.0f; [L7] float fs2=fs1*6.0f; [L8] COND TRUE !((int)fs2==2) [L8] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 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=13occurred 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...