/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/nan_double_range.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:21:54,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:21:54,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:21:54,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:21:54,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:21:54,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:21:54,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:21:54,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:21:54,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:21:54,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:21:54,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:21:54,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:21:54,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:21:54,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:21:54,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:21:54,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:21:54,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:21:54,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:21:54,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:21:54,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:21:54,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:21:54,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:21:54,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:21:54,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:21:54,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:21:54,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:21:54,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:21:54,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:21:54,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:21:54,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:21:54,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:21:54,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:21:54,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:21:54,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:21:54,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:21:54,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:21:54,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:21:54,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:21:54,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:21:54,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:21:54,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:21:54,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:21:54,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:21:54,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:21:54,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:21:54,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:21:54,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:21:54,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:21:54,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:21:54,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:21:54,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:21:54,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:21:54,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:21:54,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:21:54,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:21:54,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:21:54,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:21:54,968 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:21:54,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:21:54,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:21:54,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:21:54,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:21:54,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:21:54,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:21:54,970 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:21:55,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:21:55,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:21:55,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:21:55,281 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:21:55,281 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:21:55,282 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_double_range.c [2020-07-07 15:21:55,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bcade57d/9143c3842af94b81b088ddcf4d97f807/FLAGb0022b1ca [2020-07-07 15:21:55,802 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:21:55,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_double_range.c [2020-07-07 15:21:55,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bcade57d/9143c3842af94b81b088ddcf4d97f807/FLAGb0022b1ca [2020-07-07 15:21:56,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bcade57d/9143c3842af94b81b088ddcf4d97f807 [2020-07-07 15:21:56,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:21:56,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:21:56,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:21:56,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:21:56,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:21:56,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbc0375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56, skipping insertion in model container [2020-07-07 15:21:56,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:21:56,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:21:56,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:21:56,384 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:21:56,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:21:56,413 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:21:56,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56 WrapperNode [2020-07-07 15:21:56,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:21:56,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:21:56,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:21:56,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:21:56,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (1/1) ... [2020-07-07 15:21:56,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:21:56,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:21:56,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:21:56,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:21:56,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (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 15:21:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:21:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:21:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-07 15:21:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-07 15:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 15:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:21:56,757 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:21:56,757 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:21:56,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:21:56 BoogieIcfgContainer [2020-07-07 15:21:56,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:21:56,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:21:56,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:21:56,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:21:56,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:21:56" (1/3) ... [2020-07-07 15:21:56,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35868537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:21:56, skipping insertion in model container [2020-07-07 15:21:56,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:56" (2/3) ... [2020-07-07 15:21:56,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35868537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:21:56, skipping insertion in model container [2020-07-07 15:21:56,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:21:56" (3/3) ... [2020-07-07 15:21:56,767 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2020-07-07 15:21:56,774 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:21:56,781 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:21:56,793 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:21:56,812 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:21:56,812 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:21:56,813 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:21:56,813 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:21:56,813 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:21:56,813 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:21:56,813 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:21:56,813 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:21:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-07-07 15:21:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-07 15:21:56,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:21:56,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:21:56,842 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:21:56,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:21:56,847 INFO L82 PathProgramCache]: Analyzing trace with hash -187268354, now seen corresponding path program 1 times [2020-07-07 15:21:56,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:21:56,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226092593] [2020-07-07 15:21:56,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:21:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 15:21:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 15:21:56,915 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 15:21:56,917 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 15:21:56,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 03:21:56 BoogieIcfgContainer [2020-07-07 15:21:56,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 15:21:56,954 INFO L168 Benchmark]: Toolchain (without parser) took 771.20 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 159.3 MB in the end (delta: -57.4 MB). Peak memory consumption was 279.1 kB. Max. memory is 7.1 GB. [2020-07-07 15:21:56,955 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 144.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 15:21:56,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.58 ms. Allocated memory is still 144.7 MB. Free memory was 101.5 MB in the beginning and 92.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:56,959 INFO L168 Benchmark]: Boogie Preprocessor took 108.90 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 92.4 MB in the beginning and 181.7 MB in the end (delta: -89.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:56,962 INFO L168 Benchmark]: RCFGBuilder took 236.22 ms. Allocated memory is still 202.4 MB. Free memory was 181.7 MB in the beginning and 170.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:56,977 INFO L168 Benchmark]: TraceAbstraction took 187.82 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 159.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:56,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 144.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.58 ms. Allocated memory is still 144.7 MB. Free memory was 101.5 MB in the beginning and 92.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.90 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 92.4 MB in the beginning and 181.7 MB in the end (delta: -89.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.22 ms. Allocated memory is still 202.4 MB. Free memory was 181.7 MB in the beginning and 170.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 187.82 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 159.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 14. Possible FailurePath: [L10] double x; [L11] x = __VERIFIER_nondet_double() VAL [__VERIFIER_nondet_double()=0, x=0] [L13] COND TRUE x >= -1e307 && x <= 1e307 VAL [x=0] [L14] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 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=20occurred 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, 12 NumberOfCodeBlocks, 12 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...