/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-no-simp7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:53:50,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:53:50,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:53:50,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:53:50,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:53:50,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:53:50,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:53:50,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:53:50,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:53:50,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:53:50,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:53:50,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:53:50,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:53:50,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:53:50,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:53:50,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:53:50,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:53:50,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:53:50,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:53:50,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:53:50,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:53:50,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:53:50,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:53:50,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:53:50,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 10:53:50,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:53:50,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:53:50,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:53:50,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:53:50,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:53:50,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:53:50,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:53:50,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:53:50,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:53:50,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:53:50,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:53:50,751 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 [2020-07-07 10:53:50,789 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:53:50,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:53:50,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:53:50,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:53:50,795 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:53:50,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:53:50,795 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:53:50,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:53:50,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:53:50,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:53:50,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:53:50,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:53:50,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:53:50,796 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:53:50,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:53:50,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:53:50,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:53:50,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:53:50,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:53:50,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:53:50,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:53:50,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:53:50,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:53:50,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:53:50,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:53:50,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:53:50,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:53:50,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:53:50,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:53:50,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:53:51,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:53:51,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:53:51,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:53:51,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:53:51,118 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:53:51,119 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-07-07 10:53:51,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26a159c4/cc4845a664ff484b827a9ae0c5a3e725/FLAG8322a87d8 [2020-07-07 10:53:51,580 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:53:51,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-07-07 10:53:51,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26a159c4/cc4845a664ff484b827a9ae0c5a3e725/FLAG8322a87d8 [2020-07-07 10:53:52,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26a159c4/cc4845a664ff484b827a9ae0c5a3e725 [2020-07-07 10:53:52,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:53:52,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:53:52,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:53:52,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:53:52,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:53:52,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172af72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52, skipping insertion in model container [2020-07-07 10:53:52,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:53:52,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:53:52,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:53:52,315 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:53:52,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:53:52,359 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:53:52,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52 WrapperNode [2020-07-07 10:53:52,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:53:52,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:53:52,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:53:52,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:53:52,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (1/1) ... [2020-07-07 10:53:52,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:53:52,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:53:52,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:53:52,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:53:52,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (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 [2020-07-07 10:53:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:53:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:53:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:53:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:53:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:53:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:53:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:53:52,676 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:53:52,677 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 10:53:52,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:53:52 BoogieIcfgContainer [2020-07-07 10:53:52,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:53:52,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:53:52,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:53:52,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:53:52,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:53:52" (1/3) ... [2020-07-07 10:53:52,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575e412b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:53:52, skipping insertion in model container [2020-07-07 10:53:52,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:52" (2/3) ... [2020-07-07 10:53:52,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575e412b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:53:52, skipping insertion in model container [2020-07-07 10:53:52,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:53:52" (3/3) ... [2020-07-07 10:53:52,689 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2020-07-07 10:53:52,699 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:53:52,706 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:53:52,721 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:53:52,745 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:53:52,745 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:53:52,745 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:53:52,745 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:53:52,746 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:53:52,746 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:53:52,746 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:53:52,746 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:53:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-07-07 10:53:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-07 10:53:52,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:52,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:52,772 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:52,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:52,779 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2020-07-07 10:53:52,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:52,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537936965] [2020-07-07 10:53:52,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:53:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:53:52,890 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:53:52,891 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:53:52,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:53:52,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:53:52 BoogieIcfgContainer [2020-07-07 10:53:52,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:53:52,917 INFO L168 Benchmark]: Toolchain (without parser) took 902.56 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 102.0 MB in the beginning and 156.7 MB in the end (delta: -54.7 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:52,918 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:53:52,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.06 ms. Allocated memory is still 145.2 MB. Free memory was 101.8 MB in the beginning and 91.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:52,920 INFO L168 Benchmark]: Boogie Preprocessor took 106.86 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 91.7 MB in the beginning and 180.0 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:52,921 INFO L168 Benchmark]: RCFGBuilder took 213.36 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 169.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:52,922 INFO L168 Benchmark]: TraceAbstraction took 232.16 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 156.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:53:52,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 346.06 ms. Allocated memory is still 145.2 MB. Free memory was 101.8 MB in the beginning and 91.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.86 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 91.7 MB in the beginning and 180.0 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 213.36 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 169.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232.16 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 156.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L4] float f = 0x1.9e0c22p-101f; [L5] float g = -0x1.3c9014p-50f; [L6] float target = -0x1p-149f; [L8] float result = f * g; VAL [\old(argc)=4, argc=4, argv={3:2}, argv={3:2}, f=13567505/21267647932558653966460912964485513216] [L10] COND TRUE !(result == target) VAL [\old(argc)=4, argc=4, argv={3:2}, argv={3:2}, f=13567505/21267647932558653966460912964485513216] [L10] __VERIFIER_error() VAL [\old(argc)=4, argc=4, argv={3:2}, argv={3:2}, f=13567505/21267647932558653966460912964485513216] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=13occurred 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, 7 NumberOfCodeBlocks, 7 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...