/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/float12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:29:56,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:29:56,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:29:56,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 00:29:56,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:29:56,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:29:56,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:29:56,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:29:56,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:29:56,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:29:56,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:29:56,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:29:56,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:29:56,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:29:56,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:29:56,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:29:56,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 00:29:56,877 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 00:29:56,901 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:29:56,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:29:56,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:29:56,906 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:29:56,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:29:56,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:29:56,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:29:56,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:29:56,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:29:56,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:29:56,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:29:56,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:29:56,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:29:56,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:29:56,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:29:56,910 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:29:56,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:29:56,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:29:56,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:29:56,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:29:56,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:29:56,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:29:56,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:29:57,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:29:57,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:29:57,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:29:57,327 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:29:57,328 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:29:57,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float12.c [2020-10-24 00:29:57,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196a5119d/6b6a0d9184d3479db6ddef74105c4bcf/FLAG554a4268b [2020-10-24 00:29:58,105 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:29:58,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float12.c [2020-10-24 00:29:58,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196a5119d/6b6a0d9184d3479db6ddef74105c4bcf/FLAG554a4268b [2020-10-24 00:29:58,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196a5119d/6b6a0d9184d3479db6ddef74105c4bcf [2020-10-24 00:29:58,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:29:58,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:29:58,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:29:58,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:29:58,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:29:58,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5580cdde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58, skipping insertion in model container [2020-10-24 00:29:58,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:29:58,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:29:58,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:29:58,397 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:29:58,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:29:58,429 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:29:58,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58 WrapperNode [2020-10-24 00:29:58,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:29:58,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:29:58,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:29:58,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:29:58,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (1/1) ... [2020-10-24 00:29:58,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:29:58,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:29:58,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:29:58,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:29:58,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (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 00:29:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:29:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:29:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:29:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:29:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:29:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:29:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:29:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:29:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-24 00:29:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-24 00:29:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:29:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:29:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:29:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:29:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:29:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:29:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:29:58,802 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:29:58,802 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 00:29:58,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:29:58 BoogieIcfgContainer [2020-10-24 00:29:58,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:29:58,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:29:58,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:29:58,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:29:58,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:29:58" (1/3) ... [2020-10-24 00:29:58,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4604c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:29:58, skipping insertion in model container [2020-10-24 00:29:58,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:29:58" (2/3) ... [2020-10-24 00:29:58,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4604c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:29:58, skipping insertion in model container [2020-10-24 00:29:58,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:29:58" (3/3) ... [2020-10-24 00:29:58,814 INFO L111 eAbstractionObserver]: Analyzing ICFG float12.c [2020-10-24 00:29:58,828 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:29:58,833 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 00:29:58,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 00:29:58,875 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:29:58,875 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:29:58,875 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:29:58,875 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:29:58,876 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:29:58,876 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:29:58,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:29:58,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:29:58,892 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-24 00:29:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-24 00:29:58,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:58,923 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] [2020-10-24 00:29:58,923 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:58,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:58,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1361349702, now seen corresponding path program 1 times [2020-10-24 00:29:58,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:58,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643017865] [2020-10-24 00:29:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:29:59,180 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:29:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:29:59,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:29:59,290 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 00:29:59,291 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 00:29:59,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:29:59,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:29:59 BoogieIcfgContainer [2020-10-24 00:29:59,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:29:59,358 INFO L168 Benchmark]: Toolchain (without parser) took 1212.53 ms. Allocated memory is still 159.4 MB. Free memory was 135.3 MB in the beginning and 133.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. [2020-10-24 00:29:59,360 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 159.4 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:29:59,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.82 ms. Allocated memory is still 159.4 MB. Free memory was 134.7 MB in the beginning and 125.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:29:59,365 INFO L168 Benchmark]: Boogie Preprocessor took 33.46 ms. Allocated memory is still 159.4 MB. Free memory was 125.6 MB in the beginning and 124.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:29:59,367 INFO L168 Benchmark]: RCFGBuilder took 339.01 ms. Allocated memory is still 159.4 MB. Free memory was 124.2 MB in the beginning and 111.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-24 00:29:59,368 INFO L168 Benchmark]: TraceAbstraction took 546.47 ms. Allocated memory is still 159.4 MB. Free memory was 111.5 MB in the beginning and 133.5 MB in the end (delta: -22.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:29:59,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 159.4 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 277.82 ms. Allocated memory is still 159.4 MB. Free memory was 134.7 MB in the beginning and 125.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.46 ms. Allocated memory is still 159.4 MB. Free memory was 125.6 MB in the beginning and 124.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 339.01 ms. Allocated memory is still 159.4 MB. Free memory was 124.2 MB in the beginning and 111.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 546.47 ms. Allocated memory is still 159.4 MB. Free memory was 111.5 MB in the beginning and 133.5 MB in the end (delta: -22.0 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 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L8] float f = __VERIFIER_nondet_float(); VAL [__VERIFIER_nondet_float()=52, f=52] [L9] double d; VAL [f=52] [L10] unsigned char x = __VERIFIER_nondet_uchar(); VAL [__VERIFIER_nondet_uchar()=58, f=52, x=58] [L12] d=f VAL [d=52, f=52, x=58] [L14] COND TRUE f==x VAL [d=52, f=52, x=58] [L15] COND TRUE !(d==x) VAL [d=52, f=52, x=58] [L15] CALL reach_error() [L3] __assert_fail("0", "float12.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: 0.4s, 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, 22 NumberOfCodeBlocks, 22 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...