/usr/bin/java -ea -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 0.1.25-267fbe0 [2020-07-18 00:12:46,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:12:46,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:12:46,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:12:46,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:12:46,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:12:46,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:12:46,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:12:46,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:12:46,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:12:46,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:12:46,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:12:46,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:12:46,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:12:46,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:12:46,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:12:46,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:12:46,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:12:46,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:12:46,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:12:46,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:12:46,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:12:46,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:12:46,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:12:46,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:12:46,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:12:46,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:12:46,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:12:46,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:12:46,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:12:46,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:12:46,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:12:46,449 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:12:46,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:12:46,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:12:46,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:12:46,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:12:46,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:12:46,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:12:46,451 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:12:46,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:12:46,451 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:12:46,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:12:46,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:12:46,454 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:12:46,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:12:46,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:12:46,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:12:46,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:12:46,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:12:46,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:12:46,455 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:12:46,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:12:46,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:12:46,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:12:46,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:12:46,718 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:12:46,719 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2020-07-18 00:12:46,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ea266e7/9b0fa12ceba74fa4a49ac96832db0558/FLAG1f2378c3d [2020-07-18 00:12:47,220 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:12:47,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2020-07-18 00:12:47,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ea266e7/9b0fa12ceba74fa4a49ac96832db0558/FLAG1f2378c3d [2020-07-18 00:12:47,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ea266e7/9b0fa12ceba74fa4a49ac96832db0558 [2020-07-18 00:12:47,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:12:47,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:12:47,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:12:47,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:12:47,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:12:47,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d38504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47, skipping insertion in model container [2020-07-18 00:12:47,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:12:47,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:12:47,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:12:47,828 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:12:47,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:12:47,858 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:12:47,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47 WrapperNode [2020-07-18 00:12:47,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:12:47,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:12:47,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:12:47,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:12:47,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (1/1) ... [2020-07-18 00:12:47,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:12:47,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:12:47,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:12:47,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:12:47,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (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 [2020-07-18 00:12:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:12:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:12:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:12:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:12:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:12:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:12:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:12:48,177 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:12:48,177 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:12:48,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:12:48 BoogieIcfgContainer [2020-07-18 00:12:48,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:12:48,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:12:48,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:12:48,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:12:48,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:12:47" (1/3) ... [2020-07-18 00:12:48,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0f513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:12:48, skipping insertion in model container [2020-07-18 00:12:48,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:47" (2/3) ... [2020-07-18 00:12:48,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0f513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:12:48, skipping insertion in model container [2020-07-18 00:12:48,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:12:48" (3/3) ... [2020-07-18 00:12:48,189 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp3.c [2020-07-18 00:12:48,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:12:48,206 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:12:48,220 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:12:48,243 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:12:48,243 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:12:48,244 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:12:48,244 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:12:48,244 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:12:48,244 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:12:48,244 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:12:48,244 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:12:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-07-18 00:12:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-18 00:12:48,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:12:48,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:12:48,273 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:12:48,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:12:48,282 INFO L82 PathProgramCache]: Analyzing trace with hash -961212715, now seen corresponding path program 1 times [2020-07-18 00:12:48,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:12:48,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474305900] [2020-07-18 00:12:48,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:12:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:12:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:12:48,424 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:12:48,425 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:12:48,425 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:12:48,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:12:48,440 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:12:48,440 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:12:48,440 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:12:48,440 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:12:48,441 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:12:48,441 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:12:48,441 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:12:48,441 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 00:12:48,441 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:12:48,441 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 00:12:48,441 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 00:12:48,442 WARN L170 areAnnotationChecker]: L8-1 has no Hoare annotation [2020-07-18 00:12:48,442 WARN L170 areAnnotationChecker]: L8-1 has no Hoare annotation [2020-07-18 00:12:48,442 WARN L170 areAnnotationChecker]: L8-3 has no Hoare annotation [2020-07-18 00:12:48,442 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:12:48,442 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 00:12:48,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:12:48 BoogieIcfgContainer [2020-07-18 00:12:48,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:12:48,450 INFO L168 Benchmark]: Toolchain (without parser) took 815.33 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 104.7 MB in the beginning and 158.5 MB in the end (delta: -53.9 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:48,451 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-18 00:12:48,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.79 ms. Allocated memory is still 139.5 MB. Free memory was 104.5 MB in the beginning and 95.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:48,453 INFO L168 Benchmark]: Boogie Preprocessor took 28.10 ms. Allocated memory is still 139.5 MB. Free memory was 95.1 MB in the beginning and 93.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:48,455 INFO L168 Benchmark]: RCFGBuilder took 292.79 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 93.7 MB in the beginning and 171.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:48,456 INFO L168 Benchmark]: TraceAbstraction took 263.81 ms. Allocated memory is still 203.4 MB. Free memory was 171.2 MB in the beginning and 158.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:48,460 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 223.79 ms. Allocated memory is still 139.5 MB. Free memory was 104.5 MB in the beginning and 95.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.10 ms. Allocated memory is still 139.5 MB. Free memory was 95.1 MB in the beginning and 93.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.79 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 93.7 MB in the beginning and 171.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 263.81 ms. Allocated memory is still 203.4 MB. Free memory was 171.2 MB in the beginning and 158.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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...