/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 0.2.1-dev-36cd7be [2021-02-23 22:32:24,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 22:32:24,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 22:32:24,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 22:32:24,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 22:32:24,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 22:32:24,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 22:32:24,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 22:32:24,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 22:32:24,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 22:32:24,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 22:32:24,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 22:32:24,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 22:32:24,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 22:32:24,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 22:32:24,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 22:32:24,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 22:32:24,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 22:32:24,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 22:32:24,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 22:32:24,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 22:32:24,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 22:32:24,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 22:32:24,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 22:32:24,564 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 22:32:24,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 22:32:24,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 22:32:24,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 22:32:24,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 22:32:24,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 22:32:24,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 22:32:24,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 22:32:24,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 22:32:24,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 22:32:24,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 22:32:24,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 22:32:24,566 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 22:32:24,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 22:32:24,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 22:32:24,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 22:32:24,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 22:32:24,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 22:32:24,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 22:32:24,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 22:32:24,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 22:32:25,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 22:32:25,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 22:32:25,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 22:32:25,035 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 22:32:25,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2021-02-23 22:32:25,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780414753/9a824aa980324b3fb23e484694bb2e47/FLAGc648fcd35 [2021-02-23 22:32:25,795 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 22:32:25,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2021-02-23 22:32:25,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780414753/9a824aa980324b3fb23e484694bb2e47/FLAGc648fcd35 [2021-02-23 22:32:26,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780414753/9a824aa980324b3fb23e484694bb2e47 [2021-02-23 22:32:26,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 22:32:26,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 22:32:26,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 22:32:26,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 22:32:26,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 22:32:26,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524c4012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26, skipping insertion in model container [2021-02-23 22:32:26,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 22:32:26,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 22:32:26,394 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c[362,375] [2021-02-23 22:32:26,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:32:26,421 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 22:32:26,432 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c[362,375] [2021-02-23 22:32:26,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:32:26,456 INFO L208 MainTranslator]: Completed translation [2021-02-23 22:32:26,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26 WrapperNode [2021-02-23 22:32:26,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 22:32:26,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 22:32:26,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 22:32:26,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 22:32:26,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (1/1) ... [2021-02-23 22:32:26,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 22:32:26,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 22:32:26,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 22:32:26,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 22:32:26,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (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 [2021-02-23 22:32:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 22:32:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 22:32:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 22:32:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 22:32:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2021-02-23 22:32:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 22:32:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 22:32:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 22:32:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 22:32:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 22:32:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2021-02-23 22:32:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 22:32:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2021-02-23 22:32:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-23 22:32:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 22:32:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 22:32:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 22:32:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-23 22:32:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 22:32:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 22:32:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 22:32:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 22:32:27,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 22:32:27,197 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 22:32:27,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:32:27 BoogieIcfgContainer [2021-02-23 22:32:27,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 22:32:27,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 22:32:27,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 22:32:27,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 22:32:27,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 10:32:26" (1/3) ... [2021-02-23 22:32:27,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5fde0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:32:27, skipping insertion in model container [2021-02-23 22:32:27,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:32:26" (2/3) ... [2021-02-23 22:32:27,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5fde0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:32:27, skipping insertion in model container [2021-02-23 22:32:27,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:32:27" (3/3) ... [2021-02-23 22:32:27,211 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-02-23 22:32:27,218 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 22:32:27,223 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 22:32:27,247 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 22:32:27,282 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 22:32:27,282 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 22:32:27,282 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 22:32:27,283 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 22:32:27,283 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 22:32:27,283 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 22:32:27,283 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 22:32:27,283 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 22:32:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2021-02-23 22:32:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-23 22:32:27,322 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:32:27,323 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] [2021-02-23 22:32:27,323 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:32:27,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:32:27,331 INFO L82 PathProgramCache]: Analyzing trace with hash 501432758, now seen corresponding path program 1 times [2021-02-23 22:32:27,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:32:27,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460942321] [2021-02-23 22:32:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:32:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 22:32:27,605 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 22:32:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 22:32:27,695 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 22:32:27,741 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 22:32:27,741 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 22:32:27,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 22:32:27,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 10:32:27 BoogieIcfgContainer [2021-02-23 22:32:27,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 22:32:27,794 INFO L168 Benchmark]: Toolchain (without parser) took 1611.88 ms. Allocated memory is still 156.2 MB. Free memory was 131.7 MB in the beginning and 114.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 8.0 GB. [2021-02-23 22:32:27,795 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 156.2 MB. Free memory is still 130.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 22:32:27,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.02 ms. Allocated memory is still 156.2 MB. Free memory was 130.6 MB in the beginning and 120.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-23 22:32:27,797 INFO L168 Benchmark]: Boogie Preprocessor took 39.90 ms. Allocated memory is still 156.2 MB. Free memory was 120.8 MB in the beginning and 119.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 22:32:27,798 INFO L168 Benchmark]: RCFGBuilder took 701.71 ms. Allocated memory is still 156.2 MB. Free memory was 119.2 MB in the beginning and 132.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. [2021-02-23 22:32:27,799 INFO L168 Benchmark]: TraceAbstraction took 588.57 ms. Allocated memory is still 156.2 MB. Free memory was 132.2 MB in the beginning and 114.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-23 22:32:27,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 156.2 MB. Free memory is still 130.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 256.02 ms. Allocated memory is still 156.2 MB. Free memory was 130.6 MB in the beginning and 120.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.90 ms. Allocated memory is still 156.2 MB. Free memory was 120.8 MB in the beginning and 119.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 701.71 ms. Allocated memory is still 156.2 MB. Free memory was 119.2 MB in the beginning and 132.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 588.57 ms. Allocated memory is still 156.2 MB. Free memory was 132.2 MB in the beginning and 114.9 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: 5]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 90 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=87occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 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...