./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c --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/memsafety-ext3/naturalNumbers1.c -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 932f76685ed1816d93a388d0ab1addae9c51483a ............................................................................................................................. 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/memsafety-ext3/naturalNumbers1.c -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 932f76685ed1816d93a388d0ab1addae9c51483a .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:17:00,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:17:00,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:17:00,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:17:00,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:17:00,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:17:00,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:17:00,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:17:00,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:17:00,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:17:00,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:17:00,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:17:00,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:17:00,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:17:00,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:17:00,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:17:00,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:17:00,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:17:00,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:17:00,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:17:00,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:17:00,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:17:00,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:17:00,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:17:00,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:17:00,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:17:00,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:17:00,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:17:00,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:17:00,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:17:00,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:17:00,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:17:00,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:17:00,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:17:00,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:17:00,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:17:00,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:17:00,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:17:00,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:17:00,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:17:00,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:17:00,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:17:00,632 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:17:00,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:17:00,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:17:00,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:17:00,635 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:17:00,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:17:00,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:17:00,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:17:00,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:17:00,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:17:00,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:17:00,638 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:17:00,638 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:17:00,639 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:17:00,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:17:00,639 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:17:00,640 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:17:00,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:17:00,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:17:00,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:17:00,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:17:00,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:17:00,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:17:00,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:17:00,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:17:00,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:17:00,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:17:00,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:17:00,643 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 -> 932f76685ed1816d93a388d0ab1addae9c51483a [2020-10-20 06:17:00,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:17:00,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:17:00,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:17:00,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:17:00,872 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:17:00,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2020-10-20 06:17:00,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de476bb25/b3f8f95380a7496aa82285c008e66492/FLAGfae092836 [2020-10-20 06:17:01,419 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:17:01,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2020-10-20 06:17:01,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de476bb25/b3f8f95380a7496aa82285c008e66492/FLAGfae092836 [2020-10-20 06:17:01,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de476bb25/b3f8f95380a7496aa82285c008e66492 [2020-10-20 06:17:01,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:17:01,778 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:17:01,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:01,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:17:01,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:17:01,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:01" (1/1) ... [2020-10-20 06:17:01,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2385537b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:01, skipping insertion in model container [2020-10-20 06:17:01,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:01" (1/1) ... [2020-10-20 06:17:01,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:17:01,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:17:02,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:02,108 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 06:17:02,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@747abb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:02, skipping insertion in model container [2020-10-20 06:17:02,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:02,110 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:17:02,114 INFO L168 Benchmark]: Toolchain (without parser) took 338.83 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 16.8 MB in the beginning and 27.9 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:02,115 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 34.1 MB. Free memory was 10.0 MB in the beginning and 9.9 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:17:02,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.60 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 16.0 MB in the beginning and 27.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:02,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 34.1 MB. Free memory was 10.0 MB in the beginning and 9.9 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 329.60 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 16.0 MB in the beginning and 27.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15]: 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 06:17:04,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:17:04,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:17:04,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:17:04,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:17:04,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:17:04,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:17:04,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:17:04,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:17:04,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:17:04,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:17:04,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:17:04,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:17:04,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:17:04,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:17:04,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:17:04,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:17:04,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:17:04,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:17:04,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:17:04,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:17:04,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:17:04,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:17:04,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:17:04,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:17:04,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:17:04,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:17:04,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:17:04,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:17:04,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:17:04,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:17:04,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:17:04,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:17:04,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:17:04,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:17:04,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:17:04,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:17:04,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:17:04,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:17:04,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:17:04,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:17:04,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:17:04,237 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:17:04,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:17:04,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:17:04,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:17:04,239 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:17:04,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:17:04,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:17:04,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:17:04,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:17:04,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:17:04,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:17:04,241 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:17:04,242 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:17:04,242 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:17:04,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:17:04,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:17:04,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:17:04,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:17:04,243 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:17:04,243 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:17:04,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:17:04,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:17:04,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:17:04,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:17:04,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:17:04,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:17:04,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:17:04,245 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:17:04,246 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:17:04,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:17:04,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:17:04,246 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 -> 932f76685ed1816d93a388d0ab1addae9c51483a [2020-10-20 06:17:04,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:17:04,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:17:04,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:17:04,487 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:17:04,488 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:17:04,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2020-10-20 06:17:04,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddba0d2d/f9fa410dbcc74819ae8cf44dd509b893/FLAG37ebe30c9 [2020-10-20 06:17:04,934 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:17:04,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2020-10-20 06:17:04,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddba0d2d/f9fa410dbcc74819ae8cf44dd509b893/FLAG37ebe30c9 [2020-10-20 06:17:05,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddba0d2d/f9fa410dbcc74819ae8cf44dd509b893 [2020-10-20 06:17:05,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:17:05,323 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:17:05,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:05,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:17:05,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:17:05,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16df2959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05, skipping insertion in model container [2020-10-20 06:17:05,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:17:05,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:17:05,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:05,633 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:17:05,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:17:05,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:05,652 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:17:05,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:05,694 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:17:05,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05 WrapperNode [2020-10-20 06:17:05,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:05,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:17:05,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:17:05,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:17:05,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (1/1) ... [2020-10-20 06:17:05,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:17:05,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:17:05,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:17:05,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:17:05,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (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 06:17:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:17:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:17:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure areNatural [2020-10-20 06:17:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:17:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure areNatural [2020-10-20 06:17:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:17:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:17:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:17:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 06:17:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:17:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:17:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:17:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-20 06:17:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:17:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-20 06:17:06,228 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:17:06,229 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:17:06,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:06 BoogieIcfgContainer [2020-10-20 06:17:06,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:17:06,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:17:06,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:17:06,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:17:06,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:17:05" (1/3) ... [2020-10-20 06:17:06,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56affa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:06, skipping insertion in model container [2020-10-20 06:17:06,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:05" (2/3) ... [2020-10-20 06:17:06,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56affa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:06, skipping insertion in model container [2020-10-20 06:17:06,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:06" (3/3) ... [2020-10-20 06:17:06,240 INFO L111 eAbstractionObserver]: Analyzing ICFG naturalNumbers1.c [2020-10-20 06:17:06,252 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:17:06,258 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 06:17:06,271 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 06:17:06,292 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:17:06,292 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:17:06,293 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:17:06,293 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:17:06,293 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:17:06,293 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:17:06,293 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:17:06,293 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:17:06,306 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-10-20 06:17:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:17:06,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:17:06,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:17:06,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, areNaturalErr1REQUIRES_VIOLATION, areNaturalErr0REQUIRES_VIOLATION]=== [2020-10-20 06:17:06,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:17:06,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1845664052, now seen corresponding path program 1 times [2020-10-20 06:17:06,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:17:06,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382751497] [2020-10-20 06:17:06,338 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 06:17:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:17:06,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:17:06,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:17:06,513 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:17:06,514 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:17:06,521 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:17:06,522 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:17:06,522 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:17:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:17:06,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:17:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:17:06,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382751497] [2020-10-20 06:17:06,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:17:06,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-20 06:17:06,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624655912] [2020-10-20 06:17:06,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:17:06,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:17:06,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:17:06,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:17:06,602 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 5 states. [2020-10-20 06:17:06,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:17:06,712 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2020-10-20 06:17:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:17:06,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-20 06:17:06,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:17:06,724 INFO L225 Difference]: With dead ends: 21 [2020-10-20 06:17:06,724 INFO L226 Difference]: Without dead ends: 18 [2020-10-20 06:17:06,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:17:06,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-20 06:17:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-20 06:17:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-20 06:17:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-10-20 06:17:06,758 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 10 [2020-10-20 06:17:06,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:17:06,759 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-10-20 06:17:06,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:17:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-10-20 06:17:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:17:06,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:17:06,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:17:06,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:17:06,962 INFO L429 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, areNaturalErr1REQUIRES_VIOLATION, areNaturalErr0REQUIRES_VIOLATION]=== [2020-10-20 06:17:06,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:17:06,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1845664051, now seen corresponding path program 1 times [2020-10-20 06:17:06,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:17:06,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267488539] [2020-10-20 06:17:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 06:17:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:17:07,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:17:07,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:17:07,036 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:17:07,037 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:17:07,044 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:17:07,045 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:17:07,045 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:17:07,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:17:07,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:17:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:17:07,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267488539] [2020-10-20 06:17:07,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:17:07,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-10-20 06:17:07,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80541797] [2020-10-20 06:17:07,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 06:17:07,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:17:07,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 06:17:07,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 06:17:07,360 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 8 states. [2020-10-20 06:17:07,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:17:07,689 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2020-10-20 06:17:07,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:17:07,690 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-10-20 06:17:07,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:17:07,694 INFO L225 Difference]: With dead ends: 28 [2020-10-20 06:17:07,694 INFO L226 Difference]: Without dead ends: 28 [2020-10-20 06:17:07,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:17:07,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-20 06:17:07,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23. [2020-10-20 06:17:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-20 06:17:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2020-10-20 06:17:07,702 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 10 [2020-10-20 06:17:07,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:17:07,702 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2020-10-20 06:17:07,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 06:17:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2020-10-20 06:17:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 06:17:07,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:17:07,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:17:07,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:17:07,911 INFO L429 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, areNaturalErr1REQUIRES_VIOLATION, areNaturalErr0REQUIRES_VIOLATION]=== [2020-10-20 06:17:07,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:17:07,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1907814666, now seen corresponding path program 1 times [2020-10-20 06:17:07,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:17:07,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313490832] [2020-10-20 06:17:07,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 06:17:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:17:07,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:17:07,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:17:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:17:08,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:17:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:17:08,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313490832] [2020-10-20 06:17:08,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:17:08,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2020-10-20 06:17:08,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670740398] [2020-10-20 06:17:08,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-20 06:17:08,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:17:08,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-20 06:17:08,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-20 06:17:08,540 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 11 states. [2020-10-20 06:17:08,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:17:08,893 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2020-10-20 06:17:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 06:17:08,895 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-20 06:17:08,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:17:08,896 INFO L225 Difference]: With dead ends: 25 [2020-10-20 06:17:08,896 INFO L226 Difference]: Without dead ends: 23 [2020-10-20 06:17:08,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-20 06:17:08,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-20 06:17:08,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-20 06:17:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-20 06:17:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2020-10-20 06:17:08,904 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 15 [2020-10-20 06:17:08,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:17:08,905 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2020-10-20 06:17:08,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-20 06:17:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2020-10-20 06:17:08,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 06:17:08,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:17:08,907 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:17:09,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:17:09,108 INFO L429 AbstractCegarLoop]: === Iteration 4 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, areNaturalErr1REQUIRES_VIOLATION, areNaturalErr0REQUIRES_VIOLATION]=== [2020-10-20 06:17:09,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:17:09,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1004346541, now seen corresponding path program 1 times [2020-10-20 06:17:09,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:17:09,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801333527] [2020-10-20 06:17:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 06:17:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:17:09,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:17:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:17:09,184 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:17:09,208 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 06:17:09,209 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:17:09,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 06:17:09,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:17:09 BoogieIcfgContainer [2020-10-20 06:17:09,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:17:09,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:17:09,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:17:09,438 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:17:09,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:06" (3/4) ... [2020-10-20 06:17:09,441 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 06:17:09,491 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:17:09,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:17:09,493 INFO L168 Benchmark]: Toolchain (without parser) took 4175.67 ms. Allocated memory was 34.1 MB in the beginning and 51.9 MB in the end (delta: 17.8 MB). Free memory was 7.8 MB in the beginning and 33.4 MB in the end (delta: -25.6 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:17:09,494 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 33.6 MB. Free memory is still 12.1 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:17:09,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.16 ms. Allocated memory was 34.1 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Free memory was 7.0 MB in the beginning and 27.4 MB in the end (delta: -20.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:09,495 INFO L168 Benchmark]: Boogie Preprocessor took 68.87 ms. Allocated memory is still 45.1 MB. Free memory was 27.4 MB in the beginning and 25.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:09,496 INFO L168 Benchmark]: RCFGBuilder took 465.26 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 25.4 MB in the beginning and 25.4 MB in the end (delta: 21.7 kB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:09,497 INFO L168 Benchmark]: TraceAbstraction took 3204.79 ms. Allocated memory was 46.7 MB in the beginning and 51.9 MB in the end (delta: 5.2 MB). Free memory was 24.9 MB in the beginning and 35.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:09,498 INFO L168 Benchmark]: Witness Printer took 54.12 ms. Allocated memory is still 51.9 MB. Free memory was 35.5 MB in the beginning and 33.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:09,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 33.6 MB. Free memory is still 12.1 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 372.16 ms. Allocated memory was 34.1 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Free memory was 7.0 MB in the beginning and 27.4 MB in the end (delta: -20.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 68.87 ms. Allocated memory is still 45.1 MB. Free memory was 27.4 MB in the beginning and 25.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 465.26 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 25.4 MB in the beginning and 25.4 MB in the end (delta: 21.7 kB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3204.79 ms. Allocated memory was 46.7 MB in the beginning and 51.9 MB in the end (delta: 5.2 MB). Free memory was 24.9 MB in the beginning and 35.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. * Witness Printer took 54.12 ms. Allocated memory is still 51.9 MB. Free memory was 35.5 MB in the beginning and 33.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L13] char numbers[] = {0,1,2,3,4,5,6,7,8,9}; VAL [numbers={3:0}] [L15] CALL areNatural((int*) numbers) VAL [numbers={3:0}] [L2] int i = 0; VAL [i=0, numbers={3:0}, numbers={3:0}] [L3] COND TRUE i < 10 VAL [i=0, numbers={3:0}, numbers={3:0}] [L4] EXPR numbers[i] VAL [i=0, numbers={3:0}, numbers={3:0}, numbers[i]=50462976] [L4] COND FALSE !(numbers[i] <= 0) [L7] i++ VAL [i=1, numbers={3:0}, numbers={3:0}] [L3] COND TRUE i < 10 VAL [i=1, numbers={3:0}, numbers={3:0}] [L4] EXPR numbers[i] VAL [i=1, numbers={3:0}, numbers={3:0}, numbers[i]=117835012] [L4] COND FALSE !(numbers[i] <= 0) [L7] i++ VAL [i=2, numbers={3:0}, numbers={3:0}] [L3] COND TRUE i < 10 VAL [i=2, numbers={3:0}, numbers={3:0}] [L4] numbers[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 41 SDtfs, 63 SDslu, 105 SDs, 0 SdLazy, 110 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 64 ConstructedInterpolants, 6 QuantifiedInterpolants, 8294 SizeOfPredicates, 11 NumberOfNonLiveVariables, 147 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 proved your program to be incorrect! Received shutdown request...