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-regression/signextension-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 19:22:55,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 19:22:55,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 19:22:55,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 19:22:55,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 19:22:55,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 19:22:55,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 19:22:55,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 19:22:55,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 19:22:55,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 19:22:55,585 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 19:22:55,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 19:22:55,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 19:22:55,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 19:22:55,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 19:22:55,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 19:22:55,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 19:22:55,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 19:22:55,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 19:22:55,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 19:22:55,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 19:22:55,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 19:22:55,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 19:22:55,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 19:22:55,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 19:22:55,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 19:22:55,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 19:22:55,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 19:22:55,613 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 [2019-08-22 19:22:55,630 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 19:22:55,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 19:22:55,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 19:22:55,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 19:22:55,632 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 19:22:55,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 19:22:55,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 19:22:55,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 19:22:55,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 19:22:55,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 19:22:55,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 19:22:55,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 19:22:55,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 19:22:55,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 19:22:55,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 19:22:55,637 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 19:22:55,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 19:22:55,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 19:22:55,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 19:22:55,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 19:22:55,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 19:22:55,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 19:22:55,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 19:22:55,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 19:22:55,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 19:22:55,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 19:22:55,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 19:22:55,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 19:22:55,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 19:22:55,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 19:22:55,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 19:22:55,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 19:22:55,691 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 19:22:55,691 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 19:22:55,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension-2.c [2019-08-22 19:22:55,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0565ef835/9d77bb6163b34f6eb62e33069a957598/FLAGe19cdee9d [2019-08-22 19:22:56,186 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 19:22:56,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension-2.c [2019-08-22 19:22:56,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0565ef835/9d77bb6163b34f6eb62e33069a957598/FLAGe19cdee9d [2019-08-22 19:22:56,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0565ef835/9d77bb6163b34f6eb62e33069a957598 [2019-08-22 19:22:56,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 19:22:56,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 19:22:56,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 19:22:56,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 19:22:56,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 19:22:56,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cf45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56, skipping insertion in model container [2019-08-22 19:22:56,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,603 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 19:22:56,618 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 19:22:56,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 19:22:56,796 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 19:22:56,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 19:22:56,819 INFO L192 MainTranslator]: Completed translation [2019-08-22 19:22:56,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56 WrapperNode [2019-08-22 19:22:56,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 19:22:56,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 19:22:56,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 19:22:56,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 19:22:56,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56" (1/1) ... [2019-08-22 19:22:56,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 19:22:56,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 19:22:56,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 19:22:56,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 19:22:56,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:22:56" (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 [2019-08-22 19:22:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 19:22:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 19:22:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 19:22:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 19:22:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 19:22:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 19:22:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 19:22:57,124 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 19:22:57,125 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 19:22:57,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:22:57 BoogieIcfgContainer [2019-08-22 19:22:57,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 19:22:57,127 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 19:22:57,127 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 19:22:57,127 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 19:22:57,128 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:22:57" (1/1) ... [2019-08-22 19:22:57,146 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 19:22:57,149 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 19:22:57,157 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 19:22:57,165 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 19:22:57,166 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 19:22:57,213 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 19:22:57,231 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 19:22:57,231 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 19:22:57,233 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 16#(and (or (not (= 65535 main_~unsignedtosigned~0)) (not (= 4294967295 (mod main_~signedtounsigned~0 4294967296))) (not (= (mod main_~unsignedtounsigned~0 4294967296) 65535)) (not (= main_~signedtosigned~0 (- 1)))) (= main_~signedtosigned~0 main_~signedallbits~0) (<= (+ main_~allbits~0 1) 0) (= (mod main_~allbits~0 65536) main_~unsignedtosigned~0) (= main_~unsignedtounsigned~0 (mod main_~allbits~0 65536)) (= (ite (<= (mod main_~allbits~0 65536) 32767) (mod main_~allbits~0 65536) (+ (mod main_~allbits~0 65536) (- 65536))) main_~signedallbits~0) (<= 0 (+ main_~allbits~0 1)) (= (- 1) main_~allbits~0) (= main_~signedtounsigned~0 main_~signedallbits~0)) [2019-08-22 19:22:57,240 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 19:22:57,241 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 19:22:57,243 INFO L168 Benchmark]: Toolchain (without parser) took 655.31 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 161.1 MB in the end (delta: -74.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 19:22:57,245 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-22 19:22:57,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.87 ms. Allocated memory is still 138.9 MB. Free memory was 86.4 MB in the beginning and 77.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-22 19:22:57,247 INFO L168 Benchmark]: Boogie Preprocessor took 109.32 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 77.3 MB in the beginning and 176.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-22 19:22:57,248 INFO L168 Benchmark]: RCFGBuilder took 196.48 ms. Allocated memory is still 198.7 MB. Free memory was 176.6 MB in the beginning and 166.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-22 19:22:57,249 INFO L168 Benchmark]: Symbolic Interpretation took 114.05 ms. Allocated memory is still 198.7 MB. Free memory was 166.3 MB in the beginning and 161.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-22 19:22:57,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 25]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.87 ms. Allocated memory is still 138.9 MB. Free memory was 86.4 MB in the beginning and 77.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.32 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 77.3 MB in the beginning and 176.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 196.48 ms. Allocated memory is still 198.7 MB. Free memory was 176.6 MB in the beginning and 166.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 114.05 ms. Allocated memory is still 198.7 MB. Free memory was 166.3 MB in the beginning and 161.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...