/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:29:19,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:29:19,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:29:19,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 00:29:19,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:29:19,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:29:19,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:29:19,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:29:19,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:29:19,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:29:19,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:29:19,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:29:19,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:29:19,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:29:19,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:29:19,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:29:19,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 00:29:19,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:29:19,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:29:19,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:29:19,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:29:19,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:29:19,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:29:19,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:29:19,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:29:19,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:29:19,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:29:19,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:29:19,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:29:19,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:29:19,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:29:19,989 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:29:19,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:29:19,990 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:29:19,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:29:19,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:29:19,990 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:29:19,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:29:19,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:29:19,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:29:19,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:29:19,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:29:19,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:29:19,992 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:29:20,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:29:20,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:29:20,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:29:20,467 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:29:20,468 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:29:20,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-10-24 00:29:20,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65890bb8a/9f0b4482edf34ab296e665d9378303c6/FLAG4b903ac82 [2020-10-24 00:29:21,104 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:29:21,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-10-24 00:29:21,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65890bb8a/9f0b4482edf34ab296e665d9378303c6/FLAG4b903ac82 [2020-10-24 00:29:21,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65890bb8a/9f0b4482edf34ab296e665d9378303c6 [2020-10-24 00:29:21,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:29:21,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:29:21,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:29:21,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:29:21,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:29:21,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534447cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21, skipping insertion in model container [2020-10-24 00:29:21,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:29:21,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:29:21,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:29:21,713 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:29:21,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:29:21,749 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:29:21,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21 WrapperNode [2020-10-24 00:29:21,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:29:21,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:29:21,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:29:21,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:29:21,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (1/1) ... [2020-10-24 00:29:21,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:29:21,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:29:21,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:29:21,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:29:21,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (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 [2020-10-24 00:29:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:29:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:29:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:29:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:29:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:29:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:29:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:29:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:29:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:29:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:29:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:29:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:29:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:29:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:29:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:29:22,108 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:29:22,109 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 00:29:22,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:29:22 BoogieIcfgContainer [2020-10-24 00:29:22,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:29:22,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:29:22,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:29:22,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:29:22,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:29:21" (1/3) ... [2020-10-24 00:29:22,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68122bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:29:22, skipping insertion in model container [2020-10-24 00:29:22,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:21" (2/3) ... [2020-10-24 00:29:22,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68122bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:29:22, skipping insertion in model container [2020-10-24 00:29:22,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:29:22" (3/3) ... [2020-10-24 00:29:22,120 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2020-10-24 00:29:22,133 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:29:22,138 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 00:29:22,153 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 00:29:22,179 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:29:22,180 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:29:22,180 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:29:22,180 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:29:22,180 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:29:22,180 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:29:22,180 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:29:22,181 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:29:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-24 00:29:22,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-24 00:29:22,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:22,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:22,209 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:22,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:22,228 INFO L82 PathProgramCache]: Analyzing trace with hash 822971143, now seen corresponding path program 1 times [2020-10-24 00:29:22,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:22,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756153833] [2020-10-24 00:29:22,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:29:22,470 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:29:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:29:22,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:29:22,572 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 00:29:22,573 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 00:29:22,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:29:22,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:29:22 BoogieIcfgContainer [2020-10-24 00:29:22,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:29:22,641 INFO L168 Benchmark]: Toolchain (without parser) took 1152.45 ms. Allocated memory is still 151.0 MB. Free memory was 128.1 MB in the beginning and 130.3 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:29:22,645 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 122.4 MB in the end (delta: 88.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:29:22,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.53 ms. Allocated memory is still 151.0 MB. Free memory was 127.5 MB in the beginning and 117.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:29:22,651 INFO L168 Benchmark]: Boogie Preprocessor took 31.71 ms. Allocated memory is still 151.0 MB. Free memory was 117.7 MB in the beginning and 116.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:29:22,653 INFO L168 Benchmark]: RCFGBuilder took 327.08 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 103.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-24 00:29:22,654 INFO L168 Benchmark]: TraceAbstraction took 524.78 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 130.3 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:29:22,664 INFO L339 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 151.0 MB. Free memory was 122.5 MB in the beginning and 122.4 MB in the end (delta: 88.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 258.53 ms. Allocated memory is still 151.0 MB. Free memory was 127.5 MB in the beginning and 117.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.71 ms. Allocated memory is still 151.0 MB. Free memory was 117.7 MB in the beginning and 116.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 327.08 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 103.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 524.78 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 130.3 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: 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 someUnaryFLOAToperation at line 8, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L6] float f = 0x1.9e0c22p-101f; VAL [\old(argc)=55, argc=55, argv={52:53}, argv={52:53}, f=13567505/21267647932558653966460912964485513216] [L7] float g = -0x1.3c9014p-50f; VAL [\old(argc)=55, argc=55, argv={52:53}, argv={52:53}, f=13567505/21267647932558653966460912964485513216] [L8] float target = -0x1p-149f; VAL [\old(argc)=55, argc=55, argv={52:53}, argv={52:53}, f=13567505/21267647932558653966460912964485513216] [L10] float result = f * g; VAL [\old(argc)=55, argc=55, argv={52:53}, argv={52:53}, f=13567505/21267647932558653966460912964485513216] [L12] COND TRUE !(result == target) VAL [\old(argc)=55, argc=55, argv={52:53}, argv={52:53}, f=13567505/21267647932558653966460912964485513216] [L12] CALL reach_error() [L3] __assert_fail("0", "float-no-simp7.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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=30occurred 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, 21 NumberOfCodeBlocks, 21 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...