/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/float2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:42:07,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:42:07,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:42:07,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:42:07,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:42:07,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:42:07,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:42:07,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:42:07,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:42:07,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:42:07,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:42:07,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:42:07,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:42:07,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:42:07,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:42:07,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:42:07,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:42:07,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:42:07,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:42:07,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:42:07,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:42:07,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:42:07,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:42:07,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:42:07,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 11:42:07,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:42:07,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:42:07,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:42:07,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:42:07,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:42:07,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:42:07,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:42:07,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:42:07,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:42:07,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:42:07,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:42:07,858 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 [2020-07-17 11:42:07,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:42:07,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:42:07,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:42:07,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:42:07,896 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:42:07,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:42:07,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:42:07,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:42:07,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:42:07,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:42:07,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:42:07,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:42:07,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:42:07,901 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:42:07,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:42:07,901 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:42:07,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:42:07,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:42:07,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:42:07,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:42:07,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:42:07,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:42:07,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:42:07,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:42:07,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:42:07,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:42:07,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:42:07,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:42:07,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:42:07,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:42:08,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:42:08,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:42:08,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:42:08,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:42:08,269 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:42:08,270 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float2.c [2020-07-17 11:42:08,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9413ead6f/99bdbf017a444da39af3c6fb30fdedfe/FLAG4781d46fe [2020-07-17 11:42:08,766 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:42:08,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float2.c [2020-07-17 11:42:08,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9413ead6f/99bdbf017a444da39af3c6fb30fdedfe/FLAG4781d46fe [2020-07-17 11:42:09,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9413ead6f/99bdbf017a444da39af3c6fb30fdedfe [2020-07-17 11:42:09,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:42:09,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:42:09,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:42:09,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:42:09,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:42:09,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffd0af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09, skipping insertion in model container [2020-07-17 11:42:09,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:42:09,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:42:09,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:42:09,427 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:42:09,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:42:09,457 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:42:09,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09 WrapperNode [2020-07-17 11:42:09,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:42:09,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:42:09,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:42:09,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:42:09,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (1/1) ... [2020-07-17 11:42:09,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:42:09,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:42:09,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:42:09,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:42:09,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (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 [2020-07-17 11:42:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:42:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:42:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:42:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:42:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:42:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:42:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:42:09,788 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:42:09,789 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 11:42:09,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:42:09 BoogieIcfgContainer [2020-07-17 11:42:09,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:42:09,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:42:09,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:42:09,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:42:09,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:42:09" (1/3) ... [2020-07-17 11:42:09,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a8c888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:42:09, skipping insertion in model container [2020-07-17 11:42:09,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:09" (2/3) ... [2020-07-17 11:42:09,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a8c888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:42:09, skipping insertion in model container [2020-07-17 11:42:09,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:42:09" (3/3) ... [2020-07-17 11:42:09,801 INFO L109 eAbstractionObserver]: Analyzing ICFG float2.c [2020-07-17 11:42:09,812 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:42:09,819 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-07-17 11:42:09,834 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-17 11:42:09,859 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:42:09,859 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:42:09,859 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:42:09,859 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:42:09,860 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:42:09,860 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:42:09,860 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:42:09,860 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:42:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-17 11:42:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-17 11:42:09,896 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:42:09,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:42:09,898 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:42:09,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:42:09,906 INFO L82 PathProgramCache]: Analyzing trace with hash -484171444, now seen corresponding path program 1 times [2020-07-17 11:42:09,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:42:09,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105463955] [2020-07-17 11:42:09,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:42:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:42:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:42:10,031 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 11:42:10,032 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 11:42:10,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:42:10,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:42:10 BoogieIcfgContainer [2020-07-17 11:42:10,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:42:10,054 INFO L168 Benchmark]: Toolchain (without parser) took 879.66 ms. Allocated memory was 148.9 MB in the beginning and 204.5 MB in the end (delta: 55.6 MB). Free memory was 105.4 MB in the beginning and 160.4 MB in the end (delta: -54.9 MB). Peak memory consumption was 658.4 kB. Max. memory is 7.1 GB. [2020-07-17 11:42:10,055 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 148.9 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:42:10,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.30 ms. Allocated memory is still 148.9 MB. Free memory was 105.0 MB in the beginning and 95.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:10,058 INFO L168 Benchmark]: Boogie Preprocessor took 113.05 ms. Allocated memory was 148.9 MB in the beginning and 204.5 MB in the end (delta: 55.6 MB). Free memory was 95.8 MB in the beginning and 183.9 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:10,059 INFO L168 Benchmark]: RCFGBuilder took 220.88 ms. Allocated memory is still 204.5 MB. Free memory was 183.3 MB in the beginning and 172.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:10,060 INFO L168 Benchmark]: TraceAbstraction took 256.39 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 160.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:10,066 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 148.9 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.30 ms. Allocated memory is still 148.9 MB. Free memory was 105.0 MB in the beginning and 95.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.05 ms. Allocated memory was 148.9 MB in the beginning and 204.5 MB in the end (delta: 55.6 MB). Free memory was 95.8 MB in the beginning and 183.9 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 220.88 ms. Allocated memory is still 204.5 MB. Free memory was 183.3 MB in the beginning and 172.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256.39 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 160.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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 someBinaryDOUBLEComparisonOperation at line 10. Possible FailurePath: [L5] float a; [L6] double b; [L9] a=1.25L VAL [a=5/4] [L10] COND TRUE !(a==1.25) VAL [a=5/4] [L10] __VERIFIER_error() VAL [a=5/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 4 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=24occurred 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...