./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/float_int_inv_square.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a552ed0b53624bc27612451ed4207d0101db39b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a552ed0b53624bc27612451ed4207d0101db39b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:58,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:58,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:58,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:58,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:58,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:58,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:58,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:58,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:58,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:58,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:58,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:58,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:58,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:58,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:58,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:58,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:58,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:58,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:58,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:58,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:58,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:58,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:58,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:58,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:58,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:58,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:58,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:58,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:58,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:58,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:58,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:58,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:58,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:58,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:58,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:58,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:58,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:58,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:58,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:58,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:58,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:58,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:58,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:58,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:58,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:58,720 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:58,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:58,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:58,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:58,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:58,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:58,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:58,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:58,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:58,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:58,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:58,730 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:58,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:58,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:58,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:58,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:58,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:58,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:58,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:58,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:58,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:58,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:58,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:58,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:58,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a552ed0b53624bc27612451ed4207d0101db39b [2019-11-27 16:06:59,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:59,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:59,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:59,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:59,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:59,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-27 16:06:59,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc033c036/12ca8e1448f44125852b3510d8260808/FLAGcb2608cb5 [2019-11-27 16:07:00,416 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:00,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-27 16:07:00,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc033c036/12ca8e1448f44125852b3510d8260808/FLAGcb2608cb5 [2019-11-27 16:07:00,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc033c036/12ca8e1448f44125852b3510d8260808 [2019-11-27 16:07:00,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:00,607 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:00,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:00,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:00,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:00,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:00" (1/1) ... [2019-11-27 16:07:00,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8ee707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:00, skipping insertion in model container [2019-11-27 16:07:00,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:00" (1/1) ... [2019-11-27 16:07:00,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:00,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:01,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:01,052 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:01,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:01,115 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:01,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01 WrapperNode [2019-11-27 16:07:01,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:01,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:01,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:01,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:01,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:01,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:01,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:01,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:01,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:01" (1/1) ... [2019-11-27 16:07:01,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:01,320 INFO L168 Benchmark]: Toolchain (without parser) took 711.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 995.7 MB in the end (delta: -34.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:01,322 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:01,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:01,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 995.7 MB in the end (delta: -45.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:01,343 INFO L168 Benchmark]: Boogie Preprocessor took 32.64 ms. Allocated memory is still 1.0 GB. Free memory is still 995.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:01,355 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 507.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 995.7 MB in the end (delta: -45.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.64 ms. Allocated memory is still 1.0 GB. Free memory is still 995.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:07:05,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:05,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:05,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:05,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:05,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:05,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:05,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:05,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:05,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:05,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:05,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:05,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:05,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:05,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:05,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:05,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:05,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:05,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:05,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:05,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:05,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:05,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:05,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:05,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:05,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:05,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:05,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:05,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:05,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:05,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:05,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:05,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:05,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:05,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:05,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:05,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:05,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:05,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:05,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:05,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:05,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:05,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:05,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:05,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:05,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:05,671 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:05,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:05,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:05,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:05,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:05,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:05,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:05,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:05,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:05,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:05,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:05,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:05,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:05,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:05,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:05,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:05,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:05,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:05,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:05,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:05,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:05,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:05,689 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:05,691 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:05,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:05,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:05,693 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a552ed0b53624bc27612451ed4207d0101db39b [2019-11-27 16:07:06,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:06,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:06,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:06,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:06,365 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:06,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-27 16:07:06,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bbf15785/4523884088a74788bb02f63494dd70b6/FLAGb334584da [2019-11-27 16:07:07,652 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:07,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-27 16:07:07,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bbf15785/4523884088a74788bb02f63494dd70b6/FLAGb334584da [2019-11-27 16:07:07,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bbf15785/4523884088a74788bb02f63494dd70b6 [2019-11-27 16:07:07,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:07,726 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:07,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:07,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:07,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:07,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:07" (1/1) ... [2019-11-27 16:07:07,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:07, skipping insertion in model container [2019-11-27 16:07:07,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:07" (1/1) ... [2019-11-27 16:07:07,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:07,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:08,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:08,241 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:08,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:08,292 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:08,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08 WrapperNode [2019-11-27 16:07:08,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:08,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:08,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:08,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:08,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:08,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:08,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:08,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:08,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:08,518 INFO L168 Benchmark]: Toolchain (without parser) took 785.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.2 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:08,520 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:08,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.73 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:08,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.0 MB in the end (delta: -45.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:08,526 INFO L168 Benchmark]: Boogie Preprocessor took 49.04 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:08,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 565.73 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 160.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.0 MB in the end (delta: -45.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.04 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...