/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/float-benchs/cast_float_ptr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:30:28,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:30:28,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:30:28,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:30:28,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:30:28,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:30:28,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:30:28,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:30:28,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:30:28,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:30:28,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:30:28,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:30:28,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:30:28,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:30:28,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:30:28,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:30:28,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:30:28,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:30:28,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:30:28,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:30:28,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:30:28,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:30:28,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:30:28,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:30:28,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 00:30:28,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:30:28,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:30:28,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:30:28,234 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 00:30:28,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:30:28,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:30:28,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:30:28,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:30:28,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:30:28,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:30:28,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:30:28,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:30:28,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:30:28,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:30:28,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:30:28,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:30:28,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:30:28,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:30:28,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:30:28,269 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:30:28,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:30:28,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:30:28,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:30:28,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:30:28,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:30:28,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:30:28,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:30:28,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:30:28,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:30:28,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:30:28,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:30:28,698 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:30:28,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-10-24 00:30:28,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0be27c3/5314130266b141d481ba67e13c0cba66/FLAG1d12466ec [2020-10-24 00:30:29,516 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:30:29,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-10-24 00:30:29,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0be27c3/5314130266b141d481ba67e13c0cba66/FLAG1d12466ec [2020-10-24 00:30:29,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0be27c3/5314130266b141d481ba67e13c0cba66 [2020-10-24 00:30:29,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:30:29,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:30:29,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:30:29,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:30:29,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:30:29,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:30:29" (1/1) ... [2020-10-24 00:30:29,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175e152f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:29, skipping insertion in model container [2020-10-24 00:30:29,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:30:29" (1/1) ... [2020-10-24 00:30:29,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:30:29,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:30:30,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:30:30,108 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:30:30,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:30:30,149 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:30:30,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30 WrapperNode [2020-10-24 00:30:30,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:30:30,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:30:30,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:30:30,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:30:30,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (1/1) ... [2020-10-24 00:30:30,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (1/1) ... [2020-10-24 00:30:30,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (1/1) ... [2020-10-24 00:30:30,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (1/1) ... [2020-10-24 00:30:30,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (1/1) ... [2020-10-24 00:30:30,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (1/1) ... [2020-10-24 00:30:30,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (1/1) ... [2020-10-24 00:30:30,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:30:30,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:30:30,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:30:30,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:30:30,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (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 00:30:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:30:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:30:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:30:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-24 00:30:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-10-24 00:30:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:30:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:30:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:30:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:30:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:30:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-24 00:30:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-24 00:30:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-10-24 00:30:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 00:30:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:30:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:30:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:30:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 00:30:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:30:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:30:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:30:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:30:30,811 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:30:30,811 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 00:30:30,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:30:30 BoogieIcfgContainer [2020-10-24 00:30:30,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:30:30,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:30:30,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:30:30,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:30:30,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:30:29" (1/3) ... [2020-10-24 00:30:30,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56720948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:30:30, skipping insertion in model container [2020-10-24 00:30:30,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:30:30" (2/3) ... [2020-10-24 00:30:30,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56720948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:30:30, skipping insertion in model container [2020-10-24 00:30:30,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:30:30" (3/3) ... [2020-10-24 00:30:30,822 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-10-24 00:30:30,834 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:30:30,839 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 00:30:30,854 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 00:30:30,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:30:30,878 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:30:30,878 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:30:30,879 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:30:30,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:30:30,879 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:30:30,879 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:30:30,879 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:30:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-10-24 00:30:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-24 00:30:30,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:30:30,909 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:30:30,910 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:30:30,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:30:30,916 INFO L82 PathProgramCache]: Analyzing trace with hash -2118764260, now seen corresponding path program 1 times [2020-10-24 00:30:30,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:30:30,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644766463] [2020-10-24 00:30:30,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:30:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:30:31,116 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:30:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:30:31,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:30:31,227 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 00:30:31,228 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 00:30:31,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:30:31,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:30:31 BoogieIcfgContainer [2020-10-24 00:30:31,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:30:31,334 INFO L168 Benchmark]: Toolchain (without parser) took 1441.13 ms. Allocated memory is still 151.0 MB. Free memory was 128.1 MB in the beginning and 109.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:30:31,334 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:30:31,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.69 ms. Allocated memory is still 151.0 MB. Free memory was 127.5 MB in the beginning and 117.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-24 00:30:31,337 INFO L168 Benchmark]: Boogie Preprocessor took 47.84 ms. Allocated memory is still 151.0 MB. Free memory was 117.4 MB in the beginning and 115.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 00:30:31,341 INFO L168 Benchmark]: RCFGBuilder took 613.54 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 126.9 MB in the end (delta: -11.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2020-10-24 00:30:31,342 INFO L168 Benchmark]: TraceAbstraction took 513.75 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 109.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-10-24 00:30:31,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 249.69 ms. Allocated memory is still 151.0 MB. Free memory was 127.5 MB in the beginning and 117.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.84 ms. Allocated memory is still 151.0 MB. Free memory was 117.4 MB in the beginning and 115.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 613.54 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 126.9 MB in the end (delta: -11.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 513.75 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 109.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. 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 someBinaryDOUBLEComparisonOperation at line 25, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() VAL [__VERIFIER_nondet_double()=3758096389, a=3758096389] [L38] CALL cast(a) VAL [\old(d)=3758096389] [L10] double dmax; VAL [\old(d)=3758096389, d={9:0}, dmax={10:0}] [L11] float f; VAL [\old(d)=3758096389, d={9:0}, dmax={10:0}, f={3:0}] [L13] EXPR \read(d) VAL [\old(d)=3758096389, \read(d)=3758096396, d={9:0}, dmax={10:0}, f={3:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) VAL [\old(d)=3758096389, \read(d)=3758096396, d={9:0}, dmax={10:0}, f={3:0}] [L15] ((unsigned*)&dmax)[0] = 0x47efffff VAL [\old(d)=3758096389, d={9:0}, dmax={10:0}, f={3:0}] [L16] ((unsigned*)&dmax)[1] = 0xe0000000 VAL [\old(d)=3758096389, d={9:0}, dmax={10:0}, f={3:0}] [L18] EXPR \read(d) VAL [\old(d)=3758096389, \read(d)=3758096389, d={9:0}, dmax={10:0}, f={3:0}] [L18] EXPR \read(dmax) VAL [\old(d)=3758096389, \read(d)=3758096389, \read(dmax)=3758096388, d={9:0}, dmax={10:0}, f={3:0}] [L18] COND FALSE !(d > dmax) VAL [\old(d)=3758096389, \read(d)=3758096389, \read(dmax)=3758096388, d={9:0}, dmax={10:0}, f={3:0}] [L21] EXPR \read(d) VAL [\old(d)=3758096389, \read(d)=3758096389, d={9:0}, dmax={10:0}, f={3:0}] [L21] EXPR \read(dmax) VAL [\old(d)=3758096389, \read(d)=3758096389, \read(dmax)=3758096388, d={9:0}, dmax={10:0}, f={3:0}] [L21] COND FALSE !(-d > dmax) VAL [\old(d)=3758096389, \read(d)=3758096389, \read(dmax)=3758096388, d={9:0}, dmax={10:0}, f={3:0}] [L25] EXPR \read(d) VAL [\old(d)=3758096389, \read(d)=3758096389, d={9:0}, dmax={10:0}, f={3:0}] [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=3758096389, \read(d)=3758096389, d={9:0}, d >= -3.41e38 && d <= 3.41e38=0, dmax={10:0}, f={3:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] CALL reach_error() [L3] __assert_fail("0", "cast_float_ptr.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 90 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=90occurred 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, 44 NumberOfCodeBlocks, 44 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...