/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/float-benchs/Rump_float.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:35:24,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:35:24,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:35:24,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:35:24,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:35:24,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:35:24,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:35:24,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:35:24,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:35:24,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:35:24,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:35:24,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:35:24,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:35:24,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:35:24,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:35:24,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:35:24,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:35:24,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:35:24,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:35:24,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:35:24,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:35:24,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:35:24,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:35:24,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:35:24,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:35:24,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:35:24,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:35:24,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:35:24,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:35:24,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:35:24,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:35:24,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:35:24,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:35:24,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:35:24,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:35:24,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:35:24,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:35:24,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:35:24,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:35:24,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:35:24,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:35:24,482 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 21:35:24,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:35:24,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:35:24,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:35:24,496 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:35:24,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:35:24,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:35:24,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:35:24,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:35:24,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:35:24,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:35:24,498 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:35:24,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:35:24,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:35:24,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:35:24,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:35:24,499 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:35:24,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:35:24,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:35:24,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:35:24,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:35:24,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:35:24,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:35:24,500 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 21:35:24,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:35:24,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:35:24,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:35:24,932 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:35:24,932 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:35:24,933 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Rump_float.c [2020-09-04 21:35:25,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c366d5ab9/f0cf55369f5b402aa7d18786ac00aeb5/FLAG76664f445 [2020-09-04 21:35:25,505 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:35:25,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/Rump_float.c [2020-09-04 21:35:25,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c366d5ab9/f0cf55369f5b402aa7d18786ac00aeb5/FLAG76664f445 [2020-09-04 21:35:25,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c366d5ab9/f0cf55369f5b402aa7d18786ac00aeb5 [2020-09-04 21:35:25,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:35:25,852 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:35:25,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:35:25,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:35:25,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:35:25,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:35:25" (1/1) ... [2020-09-04 21:35:25,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518dc62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:25, skipping insertion in model container [2020-09-04 21:35:25,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:35:25" (1/1) ... [2020-09-04 21:35:25,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:35:25,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:35:26,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:35:26,132 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:35:26,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:35:26,172 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:35:26,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26 WrapperNode [2020-09-04 21:35:26,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:35:26,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:35:26,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:35:26,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:35:26,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (1/1) ... [2020-09-04 21:35:26,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (1/1) ... [2020-09-04 21:35:26,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (1/1) ... [2020-09-04 21:35:26,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (1/1) ... [2020-09-04 21:35:26,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (1/1) ... [2020-09-04 21:35:26,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (1/1) ... [2020-09-04 21:35:26,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (1/1) ... [2020-09-04 21:35:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:35:26,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:35:26,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:35:26,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:35:26,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (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 21:35:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:35:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:35:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 21:35:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:35:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:35:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 21:35:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:35:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:35:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:35:26,534 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:35:26,534 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 21:35:26,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:35:26 BoogieIcfgContainer [2020-09-04 21:35:26,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:35:26,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:35:26,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:35:26,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:35:26,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:35:25" (1/3) ... [2020-09-04 21:35:26,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afa8be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:35:26, skipping insertion in model container [2020-09-04 21:35:26,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:26" (2/3) ... [2020-09-04 21:35:26,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afa8be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:35:26, skipping insertion in model container [2020-09-04 21:35:26,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:35:26" (3/3) ... [2020-09-04 21:35:26,547 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2020-09-04 21:35:26,557 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:35:26,566 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:35:26,584 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:35:26,609 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:35:26,610 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:35:26,610 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:35:26,610 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:35:26,610 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:35:26,610 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:35:26,611 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:35:26,611 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:35:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-09-04 21:35:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-04 21:35:26,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:35:26,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:35:26,638 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:35:26,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:35:26,644 INFO L82 PathProgramCache]: Analyzing trace with hash 209371200, now seen corresponding path program 1 times [2020-09-04 21:35:26,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:35:26,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274154256] [2020-09-04 21:35:26,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:35:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:35:26,756 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:35:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:35:26,765 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:35:26,783 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 21:35:26,784 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 21:35:26,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:35:26,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:35:26 BoogieIcfgContainer [2020-09-04 21:35:26,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 21:35:26,811 INFO L168 Benchmark]: Toolchain (without parser) took 958.01 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 104.6 MB in the beginning and 158.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:26,812 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 21:35:26,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.13 ms. Allocated memory is still 140.0 MB. Free memory was 104.4 MB in the beginning and 94.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:26,814 INFO L168 Benchmark]: Boogie Preprocessor took 109.77 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 94.6 MB in the beginning and 182.7 MB in the end (delta: -88.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:26,815 INFO L168 Benchmark]: RCFGBuilder took 254.75 ms. Allocated memory is still 203.9 MB. Free memory was 182.1 MB in the beginning and 170.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:26,816 INFO L168 Benchmark]: TraceAbstraction took 268.29 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 158.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:26,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 320.13 ms. Allocated memory is still 140.0 MB. Free memory was 104.4 MB in the beginning and 94.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.77 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 94.6 MB in the beginning and 182.7 MB in the end (delta: -88.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.75 ms. Allocated memory is still 203.9 MB. Free memory was 182.1 MB in the beginning and 170.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268.29 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 158.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f VAL [x=77617] [L10] y = 33096.f VAL [x=77617, y=33096] [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 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=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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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...