java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/soft_float_1-3.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:37:47,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:37:47,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:37:47,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:37:47,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:37:47,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:37:47,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:37:47,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:37:47,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:37:47,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:37:47,622 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:37:47,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:37:47,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:37:47,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:37:47,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:37:47,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:37:47,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:37:47,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:37:47,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:37:47,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:37:47,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:37:47,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:37:47,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:37:47,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:37:47,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 10:37:47,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 10:37:47,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 10:37:47,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 10:37:47,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 10:37:47,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 10:37:47,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:37:47,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:37:47,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:37:47,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:37:47,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:37:47,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:37:47,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:37:47,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:37:47,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:37:47,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:37:47,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:37:47,647 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 [2019-08-14 10:37:47,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:37:47,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:37:47,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:37:47,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:37:47,663 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:37:47,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:37:47,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:37:47,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:37:47,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:37:47,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:37:47,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:37:47,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:37:47,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:37:47,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:37:47,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:37:47,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:37:47,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:37:47,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:37:47,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:37:47,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:37:47,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:37:47,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:37:47,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:37:47,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:37:47,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:37:47,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:37:47,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:37:47,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:37:47,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:37:47,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:37:47,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:37:47,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:37:47,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:37:47,716 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:37:47,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/soft_float_1-3.c.cil.c [2019-08-14 10:37:47,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426088a26/7e4a4a5d70ea4cb1ab2a9f41b111e622/FLAG65bfc5535 [2019-08-14 10:37:48,246 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:37:48,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/soft_float_1-3.c.cil.c [2019-08-14 10:37:48,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426088a26/7e4a4a5d70ea4cb1ab2a9f41b111e622/FLAG65bfc5535 [2019-08-14 10:37:48,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426088a26/7e4a4a5d70ea4cb1ab2a9f41b111e622 [2019-08-14 10:37:48,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:37:48,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:37:48,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:37:48,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:37:48,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:37:48,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:37:48" (1/1) ... [2019-08-14 10:37:48,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26fb458c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:48, skipping insertion in model container [2019-08-14 10:37:48,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:37:48" (1/1) ... [2019-08-14 10:37:48,626 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:37:48,669 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:37:48,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:37:48,915 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:37:49,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:37:49,070 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:37:49,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49 WrapperNode [2019-08-14 10:37:49,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:37:49,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:37:49,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:37:49,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:37:49,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49" (1/1) ... [2019-08-14 10:37:49,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49" (1/1) ... [2019-08-14 10:37:49,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49" (1/1) ... [2019-08-14 10:37:49,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49" (1/1) ... [2019-08-14 10:37:49,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49" (1/1) ... [2019-08-14 10:37:49,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49" (1/1) ... [2019-08-14 10:37:49,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49" (1/1) ... [2019-08-14 10:37:49,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:37:49,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:37:49,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:37:49,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:37:49,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:49" (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 [2019-08-14 10:37:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:37:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:37:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 10:37:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2019-08-14 10:37:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2019-08-14 10:37:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2019-08-14 10:37:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:37:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:37:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 10:37:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-14 10:37:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 10:37:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2019-08-14 10:37:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2019-08-14 10:37:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2019-08-14 10:37:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:37:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:37:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:37:49,642 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:37:49,644 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 10:37:49,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:37:49 BoogieIcfgContainer [2019-08-14 10:37:49,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:37:49,646 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:37:49,646 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:37:49,646 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:37:49,647 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:37:49" (1/1) ... [2019-08-14 10:38:30,250 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:38:30,253 INFO L168 Benchmark]: Toolchain (without parser) took 41644.76 ms. Allocated memory was 141.6 MB in the beginning and 229.1 MB in the end (delta: 87.6 MB). Free memory was 87.8 MB in the beginning and 178.1 MB in the end (delta: -90.3 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:30,254 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 10:38:30,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.08 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 87.6 MB in the beginning and 178.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:30,256 INFO L168 Benchmark]: Boogie Preprocessor took 46.44 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 175.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:30,257 INFO L168 Benchmark]: RCFGBuilder took 527.57 ms. Allocated memory is still 201.3 MB. Free memory was 175.7 MB in the beginning and 147.3 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:30,258 INFO L168 Benchmark]: Symbolic Interpretation took 40604.78 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 147.3 MB in the beginning and 178.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:30,262 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 542#(or (and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 462.08 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 87.6 MB in the beginning and 178.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.44 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 175.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 527.57 ms. Allocated memory is still 201.3 MB. Free memory was 175.7 MB in the beginning and 147.3 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 40604.78 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 147.3 MB in the beginning and 178.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...