/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/floats-cbmc-regression/float-no-simp7.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:18:09,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:18:09,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:18:09,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:18:09,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:18:09,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:18:09,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:18:09,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:18:09,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:18:09,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:18:09,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:18:09,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:18:09,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:18:09,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:18:09,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:18:09,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:18:09,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:18:09,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:18:09,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:18:09,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:18:09,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:18:09,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:18:09,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:18:09,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:18:09,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 17:18:09,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:18:09,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:18:09,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:18:09,526 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 17:18:09,573 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:18:09,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:18:09,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:18:09,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:18:09,575 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:18:09,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:18:09,575 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:18:09,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:18:09,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:18:09,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:18:09,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:18:09,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:18:09,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:18:09,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:18:09,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:18:09,577 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:18:09,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:18:09,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:18:09,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:18:09,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:18:09,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:18:09,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:18:09,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:18:09,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:18:09,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:18:09,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:18:09,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:18:09,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:18:09,580 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:18:09,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:18:09,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:18:09,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:18:09,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:18:09,966 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:18:09,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2021-02-19 17:18:10,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9de70573/79c31854955245c48edf50ee75f546e4/FLAG586ab8546 [2021-02-19 17:18:10,551 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:18:10,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2021-02-19 17:18:10,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9de70573/79c31854955245c48edf50ee75f546e4/FLAG586ab8546 [2021-02-19 17:18:10,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9de70573/79c31854955245c48edf50ee75f546e4 [2021-02-19 17:18:10,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:18:10,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:18:10,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:18:10,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:18:10,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:18:10,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:18:10" (1/1) ... [2021-02-19 17:18:10,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59886a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:10, skipping insertion in model container [2021-02-19 17:18:10,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:18:10" (1/1) ... [2021-02-19 17:18:10,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:18:10,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:18:11,154 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-02-19 17:18:11,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:18:11,169 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:18:11,189 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-02-19 17:18:11,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:18:11,206 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:18:11,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11 WrapperNode [2021-02-19 17:18:11,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:18:11,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:18:11,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:18:11,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:18:11,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (1/1) ... [2021-02-19 17:18:11,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (1/1) ... [2021-02-19 17:18:11,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (1/1) ... [2021-02-19 17:18:11,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (1/1) ... [2021-02-19 17:18:11,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (1/1) ... [2021-02-19 17:18:11,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (1/1) ... [2021-02-19 17:18:11,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (1/1) ... [2021-02-19 17:18:11,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:18:11,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:18:11,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:18:11,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:18:11,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (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 17:18:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:18:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:18:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:18:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:18:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:18:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:18:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:18:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:18:11,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:18:11,749 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 17:18:11,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:18:11 BoogieIcfgContainer [2021-02-19 17:18:11,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:18:11,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:18:11,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:18:11,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:18:11,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:18:10" (1/3) ... [2021-02-19 17:18:11,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cccf161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:18:11, skipping insertion in model container [2021-02-19 17:18:11,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:18:11" (2/3) ... [2021-02-19 17:18:11,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cccf161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:18:11, skipping insertion in model container [2021-02-19 17:18:11,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:18:11" (3/3) ... [2021-02-19 17:18:11,762 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2021-02-19 17:18:11,773 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:18:11,778 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:18:11,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:18:11,842 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:18:11,843 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:18:11,843 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:18:11,843 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:18:11,843 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:18:11,843 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:18:11,843 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:18:11,844 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:18:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2021-02-19 17:18:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-02-19 17:18:11,872 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:18:11,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:18:11,873 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:18:11,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:18:11,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1377405077, now seen corresponding path program 1 times [2021-02-19 17:18:11,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:18:11,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661389945] [2021-02-19 17:18:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:18:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:18:12,082 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:18:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:18:12,141 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:18:12,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-19 17:18:12,179 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-19 17:18:12,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:18:12,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:18:12 BoogieIcfgContainer [2021-02-19 17:18:12,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:18:12,224 INFO L168 Benchmark]: Toolchain (without parser) took 1280.36 ms. Allocated memory is still 174.1 MB. Free memory was 149.6 MB in the beginning and 150.0 MB in the end (delta: -404.7 kB). Peak memory consumption was 322.0 kB. Max. memory is 8.0 GB. [2021-02-19 17:18:12,225 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 174.1 MB. Free memory is still 144.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:18:12,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.81 ms. Allocated memory is still 174.1 MB. Free memory was 148.5 MB in the beginning and 138.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:18:12,227 INFO L168 Benchmark]: Boogie Preprocessor took 33.87 ms. Allocated memory is still 174.1 MB. Free memory was 138.6 MB in the beginning and 137.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:18:12,232 INFO L168 Benchmark]: RCFGBuilder took 508.32 ms. Allocated memory is still 174.1 MB. Free memory was 137.2 MB in the beginning and 125.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-19 17:18:12,233 INFO L168 Benchmark]: TraceAbstraction took 466.47 ms. Allocated memory is still 174.1 MB. Free memory was 124.8 MB in the beginning and 150.0 MB in the end (delta: -25.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:18:12,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 174.1 MB. Free memory is still 144.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 249.81 ms. Allocated memory is still 174.1 MB. Free memory was 148.5 MB in the beginning and 138.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.87 ms. Allocated memory is still 174.1 MB. Free memory was 138.6 MB in the beginning and 137.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 508.32 ms. Allocated memory is still 174.1 MB. Free memory was 137.2 MB in the beginning and 125.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 466.47 ms. Allocated memory is still 174.1 MB. Free memory was 124.8 MB in the beginning and 150.0 MB in the end (delta: -25.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 10, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L6] float f = 0x1.9e0c22p-101f; [L7] float g = -0x1.3c9014p-50f; [L8] float target = -0x1p-149f; [L10] float result = f * g; VAL [\old(argc)=59, argc=59, argv={55:51}, argv={55:51}, f=13567505/21267647932558653966460912964485513216] [L12] COND TRUE !(result == target) VAL [\old(argc)=59, argc=59, argv={55:51}, argv={55:51}, f=13567505/21267647932558653966460912964485513216] [L12] reach_error() VAL [\old(argc)=59, argc=59, argv={55:51}, argv={55:51}, f=13567505/21267647932558653966460912964485513216] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 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=14occurred 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, 8 NumberOfCodeBlocks, 8 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...