/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/float13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:35:03,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:35:03,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:35:03,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:35:03,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:35:03,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:35:03,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:35:03,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:35:03,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:35:03,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:35:03,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:35:03,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:35:03,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:35:03,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:35:03,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:35:03,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:35:03,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:35:03,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:35:03,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:35:03,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:35:03,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:35:03,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:35:03,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:35:03,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:35:03,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:35:03,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:35:03,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:35:03,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:35:03,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:35:03,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:35:03,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:35:03,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:35:03,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:35:03,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:35:03,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:35:03,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:35:03,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:35:03,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:35:03,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:35:03,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:35:03,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:35:03,392 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 21:35:03,403 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:35:03,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:35:03,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:35:03,405 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:35:03,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:35:03,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:35:03,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:35:03,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:35:03,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:35:03,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:35:03,407 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:35:03,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:35:03,407 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:35:03,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:35:03,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:35:03,408 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:35:03,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:35:03,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:35:03,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:35:03,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:35:03,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:35:03,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:35:03,409 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 21:35:03,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:35:03,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:35:03,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:35:03,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:35:03,878 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:35:03,879 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-09-04 21:35:03,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e71205e24/22d65f9a85e9469f8ac9e6ab4b72b9e7/FLAG450654bc3 [2020-09-04 21:35:04,475 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:35:04,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-09-04 21:35:04,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e71205e24/22d65f9a85e9469f8ac9e6ab4b72b9e7/FLAG450654bc3 [2020-09-04 21:35:04,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e71205e24/22d65f9a85e9469f8ac9e6ab4b72b9e7 [2020-09-04 21:35:04,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:35:04,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:35:04,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:35:04,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:35:04,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:35:04,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:35:04" (1/1) ... [2020-09-04 21:35:04,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e64c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:04, skipping insertion in model container [2020-09-04 21:35:04,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:35:04" (1/1) ... [2020-09-04 21:35:04,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:35:04,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:35:05,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:35:05,122 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:35:05,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:35:05,161 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:35:05,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05 WrapperNode [2020-09-04 21:35:05,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:35:05,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:35:05,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:35:05,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:35:05,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (1/1) ... [2020-09-04 21:35:05,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (1/1) ... [2020-09-04 21:35:05,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (1/1) ... [2020-09-04 21:35:05,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (1/1) ... [2020-09-04 21:35:05,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (1/1) ... [2020-09-04 21:35:05,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (1/1) ... [2020-09-04 21:35:05,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (1/1) ... [2020-09-04 21:35:05,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:35:05,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:35:05,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:35:05,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:35:05,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (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 21:35:05,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:35:05,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:35:05,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:35:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:35:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:35:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:35:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:35:05,658 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:35:05,659 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 21:35:05,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:35:05 BoogieIcfgContainer [2020-09-04 21:35:05,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:35:05,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:35:05,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:35:05,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:35:05,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:35:04" (1/3) ... [2020-09-04 21:35:05,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c17cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:35:05, skipping insertion in model container [2020-09-04 21:35:05,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:05" (2/3) ... [2020-09-04 21:35:05,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c17cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:35:05, skipping insertion in model container [2020-09-04 21:35:05,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:35:05" (3/3) ... [2020-09-04 21:35:05,687 INFO L109 eAbstractionObserver]: Analyzing ICFG float13.c [2020-09-04 21:35:05,706 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:35:05,717 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-09-04 21:35:05,737 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-04 21:35:05,766 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:35:05,766 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:35:05,766 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:35:05,766 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:35:05,767 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:35:05,768 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:35:05,768 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:35:05,768 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:35:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-04 21:35:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-04 21:35:05,797 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:35:05,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:35:05,799 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:35:05,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:35:05,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1307681174, now seen corresponding path program 1 times [2020-09-04 21:35:05,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:35:05,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380226864] [2020-09-04 21:35:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:35:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:35:05,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:35:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:35:05,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:35:05,960 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 21:35:05,960 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 21:35:05,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:35:05,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:35:05 BoogieIcfgContainer [2020-09-04 21:35:05,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 21:35:05,995 INFO L168 Benchmark]: Toolchain (without parser) took 1159.03 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 152.8 MB in the end (delta: -48.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:05,996 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-04 21:35:05,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.81 ms. Allocated memory is still 139.5 MB. Free memory was 103.8 MB in the beginning and 94.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:05,998 INFO L168 Benchmark]: Boogie Preprocessor took 113.88 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 94.1 MB in the beginning and 180.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:05,999 INFO L168 Benchmark]: RCFGBuilder took 387.51 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 165.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:06,000 INFO L168 Benchmark]: TraceAbstraction took 311.69 ms. Allocated memory is still 202.4 MB. Free memory was 165.5 MB in the beginning and 152.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-09-04 21:35:06,004 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 325.81 ms. Allocated memory is still 139.5 MB. Free memory was 103.8 MB in the beginning and 94.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.88 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 94.1 MB in the beginning and 180.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 387.51 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 165.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 311.69 ms. Allocated memory is still 202.4 MB. Free memory was 165.5 MB in the beginning and 152.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 5. Possible FailurePath: [L3] const float plus_infinity = 1.0f/0.0f; VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3, minus_infinity=4, NaN=2] [L4] const float minus_infinity = 0.0f/-0.0f; VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3, NaN=2] [L5] const float NaN = 0.0f * (1.0f/0.0f); VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3] [L9] _Bool temp; [L12] temp = NaN < plus_infinity VAL [temp=1] [L13] COND TRUE !(!temp) VAL [temp=1] [L13] __VERIFIER_error() VAL [temp=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 8 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=45occurred 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, 11 NumberOfCodeBlocks, 11 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...