/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:18:44,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:18:44,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:18:44,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:18:44,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:18:44,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:18:44,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:18:44,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:18:44,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:18:44,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:18:44,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:18:44,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:18:44,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:18:44,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:18:44,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:18:44,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:18:44,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:18:44,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:18:44,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:18:44,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:18:44,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:18:44,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:18:44,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:18:44,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:18:44,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 17:18:44,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:18:44,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:18:44,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:18:44,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 17:18:44,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:18:44,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:18:44,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:18:44,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:18:44,343 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:18:44,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:18:44,344 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:18:44,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:18:44,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:18:44,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:18:44,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:18:44,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:18:44,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:18:44,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:18:44,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:18:44,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:18:44,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:18:44,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:18:44,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:18:44,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:18:44,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:18:44,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:18:44,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:18:44,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:18:44,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:18:44,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:18:44,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:18:44,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:18:44,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:18:44,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:18:44,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:18:44,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:18:44,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:18:44,838 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:18:44,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2021-02-19 17:18:44,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d27bf284/5ae53259afce46cfa076e5fd2800dfae/FLAGb67d28e2c [2021-02-19 17:18:45,495 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:18:45,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2021-02-19 17:18:45,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d27bf284/5ae53259afce46cfa076e5fd2800dfae/FLAGb67d28e2c [2021-02-19 17:18:45,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d27bf284/5ae53259afce46cfa076e5fd2800dfae [2021-02-19 17:18:45,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:18:45,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:18:45,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:18:45,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:18:45,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:18:45,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:18:45" (1/1) ... [2021-02-19 17:18:45,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdcc116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:45, skipping insertion in model container [2021-02-19 17:18:45,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:18:45" (1/1) ... [2021-02-19 17:18:45,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:18:45,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:18:46,095 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] [2021-02-19 17:18:46,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:18:46,126 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:18:46,140 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] [2021-02-19 17:18:46,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:18:46,165 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:18:46,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46 WrapperNode [2021-02-19 17:18:46,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:18:46,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:18:46,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:18:46,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:18:46,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (1/1) ... [2021-02-19 17:18:46,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (1/1) ... [2021-02-19 17:18:46,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (1/1) ... [2021-02-19 17:18:46,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (1/1) ... [2021-02-19 17:18:46,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (1/1) ... [2021-02-19 17:18:46,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (1/1) ... [2021-02-19 17:18:46,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (1/1) ... [2021-02-19 17:18:46,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:18:46,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:18:46,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:18:46,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:18:46,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (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 [2021-02-19 17:18:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:18:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:18:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:18:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-19 17:18:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2021-02-19 17:18:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:18:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:18:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:18:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:18:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:18:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2021-02-19 17:18:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-19 17:18:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2021-02-19 17:18:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-19 17:18:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:18:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:18:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:18:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-19 17:18:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:18:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:18:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:18:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:18:46,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:18:46,797 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 17:18:46,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:18:46 BoogieIcfgContainer [2021-02-19 17:18:46,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:18:46,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:18:46,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:18:46,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:18:46,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:18:45" (1/3) ... [2021-02-19 17:18:46,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4c012e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:18:46, skipping insertion in model container [2021-02-19 17:18:46,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:46" (2/3) ... [2021-02-19 17:18:46,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4c012e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:18:46, skipping insertion in model container [2021-02-19 17:18:46,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:18:46" (3/3) ... [2021-02-19 17:18:46,820 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-02-19 17:18:46,828 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:18:46,835 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:18:46,864 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:18:46,917 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:18:46,917 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:18:46,917 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:18:46,918 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:18:46,918 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:18:46,919 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:18:46,919 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:18:46,919 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:18:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2021-02-19 17:18:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-02-19 17:18:46,968 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:18:46,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:18:46,970 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:18:46,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:18:46,985 INFO L82 PathProgramCache]: Analyzing trace with hash 953627136, now seen corresponding path program 1 times [2021-02-19 17:18:47,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:18:47,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164466836] [2021-02-19 17:18:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:18:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:18:47,286 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:18:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:18:47,383 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:18:47,442 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-19 17:18:47,443 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-19 17:18:47,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:18:47,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:18:47 BoogieIcfgContainer [2021-02-19 17:18:47,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:18:47,511 INFO L168 Benchmark]: Toolchain (without parser) took 1654.40 ms. Allocated memory is still 176.2 MB. Free memory was 131.5 MB in the beginning and 126.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:18:47,512 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 176.2 MB. Free memory is still 147.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:18:47,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.86 ms. Allocated memory is still 176.2 MB. Free memory was 130.4 MB in the beginning and 150.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 7.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:18:47,514 INFO L168 Benchmark]: Boogie Preprocessor took 40.44 ms. Allocated memory is still 176.2 MB. Free memory was 150.9 MB in the beginning and 149.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:18:47,516 INFO L168 Benchmark]: RCFGBuilder took 593.28 ms. Allocated memory is still 176.2 MB. Free memory was 149.1 MB in the beginning and 142.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2021-02-19 17:18:47,516 INFO L168 Benchmark]: TraceAbstraction took 699.99 ms. Allocated memory is still 176.2 MB. Free memory was 142.3 MB in the beginning and 126.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-02-19 17:18:47,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 176.2 MB. Free memory is still 147.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 298.86 ms. Allocated memory is still 176.2 MB. Free memory was 130.4 MB in the beginning and 150.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 7.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.44 ms. Allocated memory is still 176.2 MB. Free memory was 150.9 MB in the beginning and 149.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 593.28 ms. Allocated memory is still 176.2 MB. Free memory was 149.1 MB in the beginning and 142.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 699.99 ms. Allocated memory is still 176.2 MB. Free memory was 142.3 MB in the beginning and 126.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 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() [L38] CALL cast(a) VAL [\old(d)=3758096390] [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\old(d)=3758096390, \read(d)=3758096387, d={9:0}, dmax={10:0}, f={3:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\old(d)=3758096390, \read(d)=3758096390, \read(dmax)=3758096391, d={9:0}, dmax={10:0}, f={3:0}] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\old(d)=3758096390, \read(d)=3758096390, \read(dmax)=3758096391, d={9:0}, dmax={10:0}, f={3:0}] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=3758096390, \read(d)=3758096390, \read(d)=3758096390, d={9:0}, 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, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, 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=28occurred 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, 16 NumberOfCodeBlocks, 16 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...