/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-zero-sum1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:16:05,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:16:05,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:16:05,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:16:05,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:16:05,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:16:05,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:16:05,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:16:05,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:16:05,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:16:05,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:16:05,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:16:05,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:16:05,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:16:05,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:16:05,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:16:05,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:16:05,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:16:05,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:16:05,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:16:05,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:16:05,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:16:05,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:16:05,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:16:05,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:16:05,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:16:05,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:16:05,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:16:05,603 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 [2020-08-22 16:16:05,645 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:16:05,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:16:05,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:16:05,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:16:05,650 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:16:05,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:16:05,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:16:05,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:16:05,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:16:05,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:16:05,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:16:05,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:16:05,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:16:05,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:16:05,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:16:05,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:16:05,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:16:05,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:16:05,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:16:05,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:16:05,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:16:05,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:16:05,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:16:05,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:16:05,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:16:05,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:16:05,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:16:05,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:16:05,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:16:05,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:16:05,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:16:06,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:16:06,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:16:06,007 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:16:06,007 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:16:06,008 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2020-08-22 16:16:06,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f506404/f277ee6c53a447ab84fb8729d5b8faf0/FLAG4fed2c558 [2020-08-22 16:16:06,500 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:16:06,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2020-08-22 16:16:06,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f506404/f277ee6c53a447ab84fb8729d5b8faf0/FLAG4fed2c558 [2020-08-22 16:16:06,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f506404/f277ee6c53a447ab84fb8729d5b8faf0 [2020-08-22 16:16:06,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:16:06,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:16:06,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:16:06,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:16:06,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:16:06,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:16:06" (1/1) ... [2020-08-22 16:16:06,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c12cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:06, skipping insertion in model container [2020-08-22 16:16:06,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:16:06" (1/1) ... [2020-08-22 16:16:06,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:16:06,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:16:07,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:16:07,105 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:16:07,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:16:07,149 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:16:07,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07 WrapperNode [2020-08-22 16:16:07,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:16:07,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:16:07,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:16:07,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:16:07,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (1/1) ... [2020-08-22 16:16:07,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (1/1) ... [2020-08-22 16:16:07,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (1/1) ... [2020-08-22 16:16:07,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (1/1) ... [2020-08-22 16:16:07,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (1/1) ... [2020-08-22 16:16:07,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (1/1) ... [2020-08-22 16:16:07,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (1/1) ... [2020-08-22 16:16:07,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:16:07,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:16:07,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:16:07,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:16:07,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (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 [2020-08-22 16:16:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:16:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:16:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2020-08-22 16:16:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:16:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:16:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2020-08-22 16:16:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:16:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-08-22 16:16:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 16:16:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:16:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:16:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:16:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:16:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 16:16:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-08-22 16:16:07,512 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:16:07,513 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 16:16:07,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:16:07 BoogieIcfgContainer [2020-08-22 16:16:07,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:16:07,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:16:07,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:16:07,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:16:07,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:16:06" (1/3) ... [2020-08-22 16:16:07,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7336f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:16:07, skipping insertion in model container [2020-08-22 16:16:07,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:07" (2/3) ... [2020-08-22 16:16:07,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7336f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:16:07, skipping insertion in model container [2020-08-22 16:16:07,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:16:07" (3/3) ... [2020-08-22 16:16:07,525 INFO L109 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2020-08-22 16:16:07,540 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:16:07,548 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:16:07,599 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:16:07,625 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:16:07,625 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:16:07,626 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:16:07,626 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:16:07,626 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:16:07,626 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:16:07,626 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:16:07,626 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:16:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-08-22 16:16:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-08-22 16:16:07,659 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:16:07,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:16:07,661 INFO L427 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:16:07,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:16:07,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1301757984, now seen corresponding path program 1 times [2020-08-22 16:16:07,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:16:07,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722803252] [2020-08-22 16:16:07,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:16:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:16:07,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:16:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:16:07,802 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:16:07,825 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-08-22 16:16:07,825 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 16:16:07,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:16:07,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:16:07 BoogieIcfgContainer [2020-08-22 16:16:07,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:16:07,855 INFO L168 Benchmark]: Toolchain (without parser) took 961.17 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 100.5 MB in the beginning and 150.6 MB in the end (delta: -50.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:07,856 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-08-22 16:16:07,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.50 ms. Allocated memory is still 138.9 MB. Free memory was 100.3 MB in the beginning and 89.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:07,858 INFO L168 Benchmark]: Boogie Preprocessor took 109.01 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 89.8 MB in the beginning and 178.2 MB in the end (delta: -88.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:07,859 INFO L168 Benchmark]: RCFGBuilder took 256.85 ms. Allocated memory is still 200.8 MB. Free memory was 178.2 MB in the beginning and 164.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:07,859 INFO L168 Benchmark]: TraceAbstraction took 333.76 ms. Allocated memory is still 200.8 MB. Free memory was 163.9 MB in the beginning and 150.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:07,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.50 ms. Allocated memory is still 138.9 MB. Free memory was 100.3 MB in the beginning and 89.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.01 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 89.8 MB in the beginning and 178.2 MB in the end (delta: -88.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.85 ms. Allocated memory is still 200.8 MB. Free memory was 178.2 MB in the beginning and 164.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 333.76 ms. Allocated memory is still 200.8 MB. Free memory was 163.9 MB in the beginning and 150.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L111] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) VAL [\old(b)=762388928] [L100] float sum = a + b; [L101] union mix m; [L102] m.f = sum [L103] EXPR m.i VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2:0}, m.i=2147483648, sum=2147483651] [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2:0}, sum=2147483651] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, 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=18occurred 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, 9 NumberOfCodeBlocks, 9 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...