/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.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:27:58,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:27:58,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:27:58,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 05:27:58,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 05:27:58,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 05:27:58,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 05:27:58,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 05:27:58,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 05:27:58,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 05:27:58,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 05:27:58,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 05:27:58,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:27:58,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:27:58,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:27:58,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:27:58,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:27:58,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:27:58,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:27:58,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:27:58,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:27:58,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:27:58,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:27:58,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:27:58,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 05:27:58,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 05:27:58,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 05:27:58,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 05:27:58,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 05:27:58,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 05:27:58,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 05:27:58,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 05:27:58,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 05:27:58,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 05:27:58,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 05:27:58,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 05:27:58,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 05:27:58,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 05:27:58,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:27:58,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:27:58,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:27:58,123 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 [2020-07-20 05:27:58,138 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:27:58,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:27:58,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:27:58,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:27:58,140 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:27:58,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:27:58,140 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:27:58,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:27:58,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:27:58,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:27:58,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:27:58,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:27:58,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:27:58,142 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:27:58,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:27:58,142 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:27:58,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:27:58,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:27:58,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:27:58,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:27:58,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:27:58,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:27:58,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:27:58,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:27:58,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:27:58,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:27:58,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:27:58,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:27:58,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:27:58,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 05:27:58,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:27:58,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:27:58,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:27:58,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:27:58,451 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:27:58,451 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-07-20 05:27:58,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747393f42/ecd95590115a4bac8370769af207dcf4/FLAG56acf46a9 [2020-07-20 05:27:59,093 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:27:59,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-07-20 05:27:59,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747393f42/ecd95590115a4bac8370769af207dcf4/FLAG56acf46a9 [2020-07-20 05:27:59,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747393f42/ecd95590115a4bac8370769af207dcf4 [2020-07-20 05:27:59,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:27:59,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:27:59,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:27:59,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:27:59,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:27:59,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:27:59" (1/1) ... [2020-07-20 05:27:59,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aff9aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:59, skipping insertion in model container [2020-07-20 05:27:59,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:27:59" (1/1) ... [2020-07-20 05:27:59,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:27:59,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:28:00,088 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-07-20 05:28:00,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@770d5ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:00, skipping insertion in model container [2020-07-20 05:28:00,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:28:00,089 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-20 05:28:00,093 INFO L168 Benchmark]: Toolchain (without parser) took 726.06 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 178.4 MB in the end (delta: -78.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-07-20 05:28:00,094 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 05:28:00,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.41 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 99.6 MB in the beginning and 178.4 MB in the end (delta: -78.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-07-20 05:28:00,101 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 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.41 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 99.6 MB in the beginning and 178.4 MB in the end (delta: -78.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 874]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...