./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/diff-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/diff-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4654dbed0e523ad65784c661074162c44d8abe4e ............................................................................................................................. 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 -Xmx15G -Xms4m -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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/diff-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4654dbed0e523ad65784c661074162c44d8abe4e .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 05:49:20,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:49:20,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:49:20,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:49:20,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:49:20,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:49:20,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:49:20,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:49:20,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:49:20,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:49:20,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:49:20,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:49:20,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:49:20,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:49:20,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:49:20,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:49:20,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:49:20,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:49:20,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:49:20,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:49:20,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:49:20,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:49:20,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:49:20,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:49:20,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:49:20,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:49:20,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:49:20,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:49:20,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:49:20,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:49:20,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:49:20,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:49:20,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:49:20,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:49:20,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:49:20,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:49:20,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:49:20,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:49:20,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:49:20,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:49:20,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:49:20,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 05:49:20,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:49:20,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:49:20,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:49:20,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:49:20,614 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:49:20,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:49:20,615 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:49:20,615 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:49:20,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:49:20,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:49:20,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:49:20,616 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:49:20,617 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:49:20,617 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:49:20,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:49:20,617 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:49:20,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:49:20,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:49:20,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:49:20,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:49:20,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:49:20,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:49:20,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:49:20,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:49:20,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:49:20,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 05:49:20,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 05:49:20,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:49:20,621 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 4654dbed0e523ad65784c661074162c44d8abe4e [2020-10-20 05:49:20,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:49:20,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:49:20,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:49:20,872 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:49:20,872 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:49:20,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/diff-alloca-2.i [2020-10-20 05:49:20,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272a9e93a/28a1491692c948bfacfe71934fe09cd2/FLAG06f3ca3e2 [2020-10-20 05:49:21,604 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:49:21,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/diff-alloca-2.i [2020-10-20 05:49:21,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272a9e93a/28a1491692c948bfacfe71934fe09cd2/FLAG06f3ca3e2 [2020-10-20 05:49:21,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272a9e93a/28a1491692c948bfacfe71934fe09cd2 [2020-10-20 05:49:21,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:49:21,813 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:49:21,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:49:21,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:49:21,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:49:21,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:49:21" (1/1) ... [2020-10-20 05:49:21,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f55e739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:21, skipping insertion in model container [2020-10-20 05:49:21,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:49:21" (1/1) ... [2020-10-20 05:49:21,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:49:21,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:49:22,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:49:22,206 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-20 05:49:22,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6391d595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:22, skipping insertion in model container [2020-10-20 05:49:22,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:49:22,208 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 05:49:22,211 INFO L168 Benchmark]: Toolchain (without parser) took 402.15 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 16.4 MB in the beginning and 12.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:22,212 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory was 17.0 MB in the beginning and 16.9 MB in the end (delta: 30.0 kB). Peak memory consumption was 30.0 kB. Max. memory is 14.3 GB. [2020-10-20 05:49:22,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.99 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 15.5 MB in the beginning and 12.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:22,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory was 17.0 MB in the beginning and 16.9 MB in the end (delta: 30.0 kB). Peak memory consumption was 30.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 393.99 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 15.5 MB in the beginning and 12.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 545]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 05:49:24,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:49:24,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:49:24,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:49:24,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:49:24,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:49:24,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:49:24,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:49:24,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:49:24,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:49:24,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:49:24,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:49:24,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:49:24,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:49:24,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:49:24,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:49:24,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:49:24,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:49:24,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:49:24,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:49:24,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:49:24,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:49:24,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:49:24,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:49:24,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:49:24,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:49:24,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:49:24,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:49:24,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:49:24,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:49:24,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:49:24,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:49:24,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:49:24,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:49:24,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:49:24,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:49:24,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:49:24,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:49:24,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:49:24,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:49:24,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:49:24,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 05:49:24,284 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:49:24,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:49:24,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:49:24,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:49:24,286 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:49:24,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:49:24,287 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:49:24,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:49:24,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:49:24,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:49:24,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:49:24,288 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:49:24,288 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:49:24,288 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:49:24,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:49:24,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:49:24,289 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 05:49:24,289 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 05:49:24,290 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:49:24,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:49:24,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:49:24,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:49:24,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:49:24,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:49:24,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:49:24,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:49:24,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:49:24,292 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 05:49:24,293 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 05:49:24,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:49:24,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 05:49:24,293 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 4654dbed0e523ad65784c661074162c44d8abe4e [2020-10-20 05:49:24,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:49:24,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:49:24,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:49:24,540 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:49:24,541 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:49:24,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/diff-alloca-2.i [2020-10-20 05:49:24,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7be5a563/2acf516ee5b949e48c7b3c648a67c9d3/FLAGb4e4fe566 [2020-10-20 05:49:25,125 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:49:25,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/diff-alloca-2.i [2020-10-20 05:49:25,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7be5a563/2acf516ee5b949e48c7b3c648a67c9d3/FLAGb4e4fe566 [2020-10-20 05:49:25,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7be5a563/2acf516ee5b949e48c7b3c648a67c9d3 [2020-10-20 05:49:25,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:49:25,433 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:49:25,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:49:25,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:49:25,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:49:25,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:49:25" (1/1) ... [2020-10-20 05:49:25,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117696a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:25, skipping insertion in model container [2020-10-20 05:49:25,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:49:25" (1/1) ... [2020-10-20 05:49:25,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:49:25,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:49:25,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:49:25,956 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 05:49:25,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:49:26,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:49:26,010 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 05:49:26,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:49:26,144 INFO L208 MainTranslator]: Completed translation [2020-10-20 05:49:26,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26 WrapperNode [2020-10-20 05:49:26,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:49:26,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 05:49:26,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 05:49:26,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 05:49:26,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (1/1) ... [2020-10-20 05:49:26,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (1/1) ... [2020-10-20 05:49:26,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (1/1) ... [2020-10-20 05:49:26,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (1/1) ... [2020-10-20 05:49:26,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (1/1) ... [2020-10-20 05:49:26,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (1/1) ... [2020-10-20 05:49:26,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (1/1) ... [2020-10-20 05:49:26,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 05:49:26,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 05:49:26,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 05:49:26,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 05:49:26,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:49:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 05:49:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 05:49:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 05:49:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 05:49:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 05:49:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 05:49:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 05:49:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 05:49:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure diff [2020-10-20 05:49:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 05:49:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 05:49:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 05:49:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 05:49:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 05:49:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 05:49:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 05:49:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 05:49:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 05:49:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 05:49:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 05:49:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 05:49:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 05:49:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 05:49:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 05:49:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 05:49:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 05:49:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 05:49:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 05:49:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 05:49:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 05:49:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 05:49:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 05:49:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 05:49:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 05:49:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 05:49:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 05:49:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 05:49:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 05:49:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 05:49:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 05:49:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 05:49:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 05:49:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 05:49:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 05:49:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 05:49:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 05:49:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 05:49:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 05:49:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 05:49:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 05:49:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 05:49:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 05:49:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 05:49:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 05:49:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 05:49:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 05:49:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 05:49:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 05:49:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 05:49:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 05:49:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 05:49:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 05:49:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 05:49:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 05:49:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 05:49:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 05:49:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 05:49:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 05:49:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 05:49:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 05:49:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 05:49:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 05:49:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 05:49:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 05:49:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 05:49:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 05:49:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 05:49:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 05:49:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 05:49:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 05:49:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 05:49:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 05:49:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 05:49:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 05:49:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 05:49:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 05:49:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 05:49:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 05:49:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 05:49:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 05:49:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 05:49:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 05:49:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 05:49:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 05:49:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 05:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 05:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 05:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 05:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 05:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 05:49:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 05:49:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 05:49:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 05:49:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 05:49:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 05:49:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 05:49:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 05:49:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 05:49:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 05:49:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 05:49:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 05:49:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 05:49:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 05:49:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 05:49:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 05:49:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 05:49:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 05:49:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 05:49:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure diff [2020-10-20 05:49:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 05:49:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 05:49:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 05:49:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 05:49:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 05:49:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 05:49:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 05:49:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 05:49:27,049 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 05:49:27,049 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-20 05:49:27,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:49:27 BoogieIcfgContainer [2020-10-20 05:49:27,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 05:49:27,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 05:49:27,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 05:49:27,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 05:49:27,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:49:25" (1/3) ... [2020-10-20 05:49:27,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71deca09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:49:27, skipping insertion in model container [2020-10-20 05:49:27,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:26" (2/3) ... [2020-10-20 05:49:27,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71deca09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:49:27, skipping insertion in model container [2020-10-20 05:49:27,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:49:27" (3/3) ... [2020-10-20 05:49:27,061 INFO L111 eAbstractionObserver]: Analyzing ICFG diff-alloca-2.i [2020-10-20 05:49:27,074 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 05:49:27,083 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-10-20 05:49:27,097 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-10-20 05:49:27,115 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 05:49:27,115 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 05:49:27,116 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 05:49:27,116 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 05:49:27,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 05:49:27,116 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 05:49:27,116 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 05:49:27,117 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 05:49:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-10-20 05:49:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 05:49:27,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:27,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:27,142 INFO L429 AbstractCegarLoop]: === Iteration 1 === [diffErr2REQUIRES_VIOLATION, diffErr3REQUIRES_VIOLATION, diffErr4REQUIRES_VIOLATION, diffErr5REQUIRES_VIOLATION, diffErr0REQUIRES_VIOLATION, diffErr1REQUIRES_VIOLATION, diffErr7REQUIRES_VIOLATION, diffErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:27,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:27,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1685135270, now seen corresponding path program 1 times [2020-10-20 05:49:27,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:27,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384322671] [2020-10-20 05:49:27,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 05:49:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:27,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 05:49:27,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:27,512 INFO L350 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2020-10-20 05:49:27,513 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 23 [2020-10-20 05:49:27,523 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:27,536 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:27,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384322671] [2020-10-20 05:49:27,541 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:49:27,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1175247182] [2020-10-20 05:49:27,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 05:49:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:27,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 05:49:27,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:27,816 INFO L350 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2020-10-20 05:49:27,817 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 23 [2020-10-20 05:49:27,819 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:27,831 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:27,833 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:49:27,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007386541] [2020-10-20 05:49:27,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 05:49:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:27,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 05:49:27,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:28,013 INFO L350 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2020-10-20 05:49:28,013 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 42 [2020-10-20 05:49:28,016 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:28,036 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:28,045 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:49:28,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:28,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 05:49:28,046 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 05:49:28,046 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 05:49:28,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk,2 mathsat -unsat_core_generation=3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 05:49:28,668 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 05:49:28,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:49:28 BoogieIcfgContainer [2020-10-20 05:49:28,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 05:49:28,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 05:49:28,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 05:49:28,670 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 05:49:28,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:49:27" (3/4) ... [2020-10-20 05:49:28,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 05:49:28,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 05:49:28,678 INFO L168 Benchmark]: Toolchain (without parser) took 3249.44 ms. Allocated memory was 35.7 MB in the beginning and 61.9 MB in the end (delta: 26.2 MB). Free memory was 14.9 MB in the beginning and 38.8 MB in the end (delta: -23.9 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:28,684 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 65.7 kB). Peak memory consumption was 65.7 kB. Max. memory is 14.3 GB. [2020-10-20 05:49:28,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.45 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 14.1 MB in the beginning and 21.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:28,686 INFO L168 Benchmark]: Boogie Preprocessor took 67.61 ms. Allocated memory is still 46.7 MB. Free memory was 21.3 MB in the beginning and 18.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:28,687 INFO L168 Benchmark]: RCFGBuilder took 838.82 ms. Allocated memory was 46.7 MB in the beginning and 49.3 MB in the end (delta: 2.6 MB). Free memory was 18.2 MB in the beginning and 20.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:28,688 INFO L168 Benchmark]: TraceAbstraction took 1615.68 ms. Allocated memory was 49.3 MB in the beginning and 61.9 MB in the end (delta: 12.6 MB). Free memory was 19.7 MB in the beginning and 39.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:28,689 INFO L168 Benchmark]: Witness Printer took 6.15 ms. Allocated memory is still 61.9 MB. Free memory was 39.4 MB in the beginning and 39.4 MB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 14.3 GB. [2020-10-20 05:49:28,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 65.7 kB). Peak memory consumption was 65.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 710.45 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 14.1 MB in the beginning and 21.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 67.61 ms. Allocated memory is still 46.7 MB. Free memory was 21.3 MB in the beginning and 18.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 838.82 ms. Allocated memory was 46.7 MB in the beginning and 49.3 MB in the end (delta: 2.6 MB). Free memory was 18.2 MB in the beginning and 20.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1615.68 ms. Allocated memory was 49.3 MB in the beginning and 61.9 MB in the end (delta: 12.6 MB). Free memory was 19.7 MB in the beginning and 39.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 14.3 GB. * Witness Printer took 6.15 ms. Allocated memory is still 61.9 MB. Free memory was 39.4 MB in the beginning and 39.4 MB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 551]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L537] int Alen = __VERIFIER_nondet_int(); [L538] int Blen = __VERIFIER_nondet_int(); [L539] COND TRUE Alen < 1 || Alen >= 2147483647 / sizeof(int) [L540] Alen = 1 [L542] COND TRUE Blen < 1 || Blen >= 2147483647 / sizeof(int) [L543] Blen = 1 [L545] int* A = (int*) __builtin_alloca (Alen * sizeof(int)); [L546] int* B = (int*) __builtin_alloca (Blen * sizeof(int)); [L547] int* D = (int*) __builtin_alloca (Alen * sizeof(int)); [L549] int i = 0; [L549] COND TRUE i < Alen [L551] A[i] = __VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 71 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...