./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/test-memleak_nexttime.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 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/test-memleak_nexttime.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 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:02:35,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:02:35,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:02:35,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:02:35,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:02:35,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:02:35,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:02:35,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:02:35,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:02:35,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:02:35,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:02:35,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:02:35,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:02:35,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:02:35,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:02:35,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:02:35,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:02:35,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:02:35,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:02:35,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:02:35,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:02:35,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:02:35,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:02:35,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:02:35,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:02:35,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:02:35,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:02:35,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:02:35,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:02:35,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:02:35,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:02:35,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:02:35,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:02:35,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:02:35,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:02:35,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:02:35,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:02:35,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:02:35,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:02:35,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:02:35,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:02:35,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:02:35,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:02:35,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:02:35,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:02:35,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:02:35,596 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:02:35,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:02:35,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:02:35,597 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:02:35,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:02:35,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:02:35,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:02:35,599 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:02:35,599 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:02:35,599 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:02:35,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:02:35,600 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:02:35,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:02:35,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:02:35,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:02:35,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:02:35,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:02:35,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:02:35,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:02:35,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:02:35,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:02:35,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:02:35,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:02:35,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:02:35,604 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 -> 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 [2020-10-19 18:02:35,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:02:35,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:02:35,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:02:35,914 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:02:35,915 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:02:35,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-19 18:02:35,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6efab7eca/e7a922bb6de345c49e8e10529c921278/FLAG92f2c2f51 [2020-10-19 18:02:36,518 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:02:36,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-19 18:02:36,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6efab7eca/e7a922bb6de345c49e8e10529c921278/FLAG92f2c2f51 [2020-10-19 18:02:36,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6efab7eca/e7a922bb6de345c49e8e10529c921278 [2020-10-19 18:02:36,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:02:36,799 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:02:36,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:02:36,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:02:36,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:02:36,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:02:36" (1/1) ... [2020-10-19 18:02:36,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3963786e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:36, skipping insertion in model container [2020-10-19 18:02:36,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:02:36" (1/1) ... [2020-10-19 18:02:36,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:02:36,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:02:37,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:02:37,270 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) [2020-10-19 18:02:37,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4948d560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:37, skipping insertion in model container [2020-10-19 18:02:37,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:02:37,272 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:02:37,275 INFO L168 Benchmark]: Toolchain (without parser) took 479.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -196.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:02:37,275 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:02:37,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -196.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:02:37,279 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 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 470.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -196.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 643]: 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 0.1.25-906a4fb [2020-10-19 18:02:38,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:02:38,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:02:38,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:02:38,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:02:38,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:02:38,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:02:38,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:02:38,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:02:38,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:02:38,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:02:38,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:02:38,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:02:38,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:02:39,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:02:39,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:02:39,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:02:39,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:02:39,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:02:39,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:02:39,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:02:39,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:02:39,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:02:39,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:02:39,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:02:39,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:02:39,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:02:39,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:02:39,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:02:39,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:02:39,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:02:39,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:02:39,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:02:39,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:02:39,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:02:39,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:02:39,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:02:39,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:02:39,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:02:39,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:02:39,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:02:39,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:02:39,086 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:02:39,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:02:39,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:02:39,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:02:39,089 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:02:39,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:02:39,089 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:02:39,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:02:39,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:02:39,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:02:39,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:02:39,092 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:02:39,092 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:02:39,092 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:02:39,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:02:39,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:02:39,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:02:39,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:02:39,094 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:02:39,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:02:39,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:02:39,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:02:39,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:02:39,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:02:39,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:02:39,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:02:39,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:02:39,097 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:02:39,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:02:39,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:02:39,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:02:39,098 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 -> 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 [2020-10-19 18:02:39,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:02:39,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:02:39,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:02:39,421 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:02:39,421 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:02:39,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-19 18:02:39,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32bac79f/81835f8dfe8b430b9ec85d5efbf90309/FLAG51037865b [2020-10-19 18:02:40,017 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:02:40,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-19 18:02:40,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32bac79f/81835f8dfe8b430b9ec85d5efbf90309/FLAG51037865b [2020-10-19 18:02:40,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32bac79f/81835f8dfe8b430b9ec85d5efbf90309 [2020-10-19 18:02:40,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:02:40,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:02:40,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:02:40,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:02:40,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:02:40,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:02:40" (1/1) ... [2020-10-19 18:02:40,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67aa7d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:40, skipping insertion in model container [2020-10-19 18:02:40,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:02:40" (1/1) ... [2020-10-19 18:02:40,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:02:40,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:02:40,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:02:40,861 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:02:40,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:02:40,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:02:40,936 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:02:40,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:02:41,060 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:02:41,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41 WrapperNode [2020-10-19 18:02:41,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:02:41,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:02:41,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:02:41,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:02:41,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (1/1) ... [2020-10-19 18:02:41,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (1/1) ... [2020-10-19 18:02:41,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (1/1) ... [2020-10-19 18:02:41,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (1/1) ... [2020-10-19 18:02:41,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (1/1) ... [2020-10-19 18:02:41,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (1/1) ... [2020-10-19 18:02:41,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (1/1) ... [2020-10-19 18:02:41,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:02:41,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:02:41,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:02:41,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:02:41,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (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 [2020-10-19 18:02:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:02:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:02:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:02:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-19 18:02:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:02:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:02:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:02:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:02:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:02:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-19 18:02:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:02:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:02:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:02:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-19 18:02:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-19 18:02:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-19 18:02:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-19 18:02:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:02:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:02:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:02:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:02:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:02:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:02:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:02:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:02:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:02:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:02:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:02:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:02:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:02:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:02:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:02:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:02:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:02:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:02:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:02:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:02:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:02:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:02:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:02:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:02:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:02:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:02:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:02:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:02:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:02:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:02:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:02:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:02:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:02:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:02:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:02:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:02:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:02:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:02:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:02:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:02:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:02:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:02:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:02:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:02:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:02:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:02:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:02:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:02:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:02:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:02:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:02:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:02:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:02:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:02:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:02:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:02:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:02:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:02:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:02:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:02:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:02:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:02:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:02:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:02:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:02:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:02:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:02:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:02:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:02:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:02:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:02:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:02:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:02:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:02:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:02:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:02:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:02:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:02:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:02:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:02:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:02:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:02:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:02:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:02:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:02:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:02:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:02:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:02:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:02:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:02:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:02:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:02:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-19 18:02:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-10-19 18:02:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:02:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-19 18:02:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-19 18:02:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-19 18:02:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-19 18:02:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-19 18:02:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-19 18:02:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-19 18:02:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-19 18:02:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-10-19 18:02:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-10-19 18:02:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-10-19 18:02:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-10-19 18:02:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-10-19 18:02:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-10-19 18:02:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-19 18:02:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-19 18:02:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-19 18:02:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-19 18:02:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-19 18:02:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-19 18:02:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-10-19 18:02:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-10-19 18:02:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-10-19 18:02:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-19 18:02:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-19 18:02:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-10-19 18:02:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-10-19 18:02:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-10-19 18:02:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-10-19 18:02:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-10-19 18:02:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-10-19 18:02:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-10-19 18:02:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-10-19 18:02:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-19 18:02:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2020-10-19 18:02:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2020-10-19 18:02:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-10-19 18:02:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-10-19 18:02:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2020-10-19 18:02:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2020-10-19 18:02:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure explicit_bzero [2020-10-19 18:02:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-19 18:02:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-10-19 18:02:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-10-19 18:02:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-10-19 18:02:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-10-19 18:02:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-10-19 18:02:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-19 18:02:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:02:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:02:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:02:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:02:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:02:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:02:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:02:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-19 18:02:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:02:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:02:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:02:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:02:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:02:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-10-19 18:02:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-19 18:02:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2020-10-19 18:02:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-19 18:02:41,752 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:02:41,964 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:02:41,965 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-19 18:02:41,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:02:41 BoogieIcfgContainer [2020-10-19 18:02:41,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:02:41,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:02:41,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:02:41,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:02:41,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:02:40" (1/3) ... [2020-10-19 18:02:41,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8c9493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:02:41, skipping insertion in model container [2020-10-19 18:02:41,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:02:41" (2/3) ... [2020-10-19 18:02:41,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8c9493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:02:41, skipping insertion in model container [2020-10-19 18:02:41,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:02:41" (3/3) ... [2020-10-19 18:02:41,976 INFO L111 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime.i [2020-10-19 18:02:41,987 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:02:41,994 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2020-10-19 18:02:42,009 INFO L253 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2020-10-19 18:02:42,029 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:02:42,029 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:02:42,029 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:02:42,030 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:02:42,030 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:02:42,030 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:02:42,031 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:02:42,031 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:02:42,046 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-10-19 18:02:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-19 18:02:42,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:02:42,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:02:42,057 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, fooErr1REQUIRES_VIOLATION, fooErr0REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:02:42,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:02:42,064 INFO L82 PathProgramCache]: Analyzing trace with hash -678462725, now seen corresponding path program 1 times [2020-10-19 18:02:42,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:02:42,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198844553] [2020-10-19 18:02:42,078 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 [2020-10-19 18:02:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:02:42,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:02:42,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:02:42,480 INFO L350 Elim1Store]: treesize reduction 73, result has 33.0 percent of original size [2020-10-19 18:02:42,481 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 41 [2020-10-19 18:02:42,483 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:42,523 INFO L625 ElimStorePlain]: treesize reduction 10, result has 75.6 percent of original size [2020-10-19 18:02:42,539 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-19 18:02:42,544 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-19 18:02:42,545 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:31 [2020-10-19 18:02:42,548 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-19 18:02:42,671 INFO L350 Elim1Store]: treesize reduction 27, result has 57.1 percent of original size [2020-10-19 18:02:42,672 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 20 treesize of output 47 [2020-10-19 18:02:42,673 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:42,706 INFO L625 ElimStorePlain]: treesize reduction 17, result has 54.1 percent of original size [2020-10-19 18:02:42,709 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-19 18:02:42,710 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:20 [2020-10-19 18:02:42,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:02:42,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:02:44,772 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_foo_#t~malloc5.base_2| (_ BitVec 32)) (|v_foo_~#p~0.base_8| (_ BitVec 32))) (or (= (_ bv1 1) (select (store (store |c_#valid| |v_foo_~#p~0.base_8| (_ bv1 1)) |v_foo_#t~malloc5.base_2| (_ bv1 1)) |c_~#a~0.base|)) (not (= (select |c_#valid| |v_foo_~#p~0.base_8|) (_ bv0 1))))) is different from false [2020-10-19 18:02:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:02:44,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198844553] [2020-10-19 18:02:44,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:02:44,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-10-19 18:02:44,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384369340] [2020-10-19 18:02:44,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:02:44,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:02:44,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:02:44,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=7, Unknown=1, NotChecked=4, Total=20 [2020-10-19 18:02:44,915 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 5 states. [2020-10-19 18:02:45,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:02:45,083 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2020-10-19 18:02:45,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 18:02:45,085 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-19 18:02:45,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:02:45,098 INFO L225 Difference]: With dead ends: 47 [2020-10-19 18:02:45,099 INFO L226 Difference]: Without dead ends: 44 [2020-10-19 18:02:45,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=13, Invalid=10, Unknown=1, NotChecked=6, Total=30 [2020-10-19 18:02:45,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-19 18:02:45,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-19 18:02:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-19 18:02:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2020-10-19 18:02:45,140 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 8 [2020-10-19 18:02:45,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:02:45,142 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2020-10-19 18:02:45,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:02:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2020-10-19 18:02:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-19 18:02:45,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:02:45,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:02:45,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:02:45,356 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, fooErr1REQUIRES_VIOLATION, fooErr0REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:02:45,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:02:45,357 INFO L82 PathProgramCache]: Analyzing trace with hash -678462724, now seen corresponding path program 1 times [2020-10-19 18:02:45,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:02:45,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419704748] [2020-10-19 18:02:45,359 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 [2020-10-19 18:02:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:02:45,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:02:45,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:02:45,541 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-19 18:02:45,542 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 1 case distinctions, treesize of input 19 treesize of output 18 [2020-10-19 18:02:45,544 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:45,553 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:45,561 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:02:45,562 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2020-10-19 18:02:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:02:45,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:02:45,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:02:45,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419704748] [2020-10-19 18:02:45,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:02:45,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-19 18:02:45,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877637145] [2020-10-19 18:02:45,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:02:45,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:02:45,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:02:45,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:02:45,602 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 4 states. [2020-10-19 18:02:45,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:02:45,688 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-10-19 18:02:45,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:02:45,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-19 18:02:45,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:02:45,690 INFO L225 Difference]: With dead ends: 43 [2020-10-19 18:02:45,690 INFO L226 Difference]: Without dead ends: 43 [2020-10-19 18:02:45,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:02:45,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-19 18:02:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-19 18:02:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-19 18:02:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2020-10-19 18:02:45,698 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 8 [2020-10-19 18:02:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:02:45,698 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2020-10-19 18:02:45,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:02:45,699 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2020-10-19 18:02:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-19 18:02:45,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:02:45,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:02:45,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:02:45,920 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, fooErr1REQUIRES_VIOLATION, fooErr0REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:02:45,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:02:45,920 INFO L82 PathProgramCache]: Analyzing trace with hash -678462723, now seen corresponding path program 1 times [2020-10-19 18:02:45,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:02:45,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506757481] [2020-10-19 18:02:45,922 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 [2020-10-19 18:02:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:02:46,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 18:02:46,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:02:46,181 INFO L350 Elim1Store]: treesize reduction 13, result has 76.4 percent of original size [2020-10-19 18:02:46,182 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 47 [2020-10-19 18:02:46,182 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:46,245 INFO L625 ElimStorePlain]: treesize reduction 20, result has 69.2 percent of original size [2020-10-19 18:02:46,337 INFO L350 Elim1Store]: treesize reduction 73, result has 33.0 percent of original size [2020-10-19 18:02:46,337 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 41 [2020-10-19 18:02:46,338 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:46,435 INFO L625 ElimStorePlain]: treesize reduction 10, result has 85.7 percent of original size [2020-10-19 18:02:46,438 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:46,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:46,440 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,444 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-19 18:02:46,444 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:60 [2020-10-19 18:02:46,446 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:46,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:46,448 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,478 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:46,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:46,480 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,524 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:46,525 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:46,526 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,569 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:46,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:46,571 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,613 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:46,614 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:46,615 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,657 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,659 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,668 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,678 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,680 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,688 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,694 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-19 18:02:46,697 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,698 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,703 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,713 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,715 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,720 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,722 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,730 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,737 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,740 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,748 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,757 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,765 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,778 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,787 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,792 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-19 18:02:46,795 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,805 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,813 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,818 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,826 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,829 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,836 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,844 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,851 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,861 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,869 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,874 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-19 18:02:46,876 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,877 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,881 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,887 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,889 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:46,894 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,895 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,902 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:46,914 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:46,920 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:46,950 INFO L441 ElimStorePlain]: Different costs {10=[|v_#valid_50|], 14=[|v_#length_36|]} [2020-10-19 18:02:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:46,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:46,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:47,003 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:47,004 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 41 [2020-10-19 18:02:47,006 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:02:47,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506757481] [2020-10-19 18:02:47,008 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-19 18:02:47,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1796114457] [2020-10-19 18:02:47,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 18:02:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:02:47,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-19 18:02:47,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:02:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:47,345 INFO L350 Elim1Store]: treesize reduction 67, result has 25.6 percent of original size [2020-10-19 18:02:47,346 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 28 [2020-10-19 18:02:47,347 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:47,409 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:47,489 INFO L350 Elim1Store]: treesize reduction 13, result has 76.4 percent of original size [2020-10-19 18:02:47,490 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 47 [2020-10-19 18:02:47,491 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:47,600 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-10-19 18:02:47,600 INFO L625 ElimStorePlain]: treesize reduction 20, result has 75.0 percent of original size [2020-10-19 18:02:47,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,604 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,605 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,606 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-19 18:02:47,607 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:60 [2020-10-19 18:02:47,608 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,608 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,609 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,645 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,645 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,646 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,681 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,681 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,682 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,720 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,721 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,722 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,759 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,760 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,761 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,805 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,808 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,817 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,830 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,833 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,842 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,850 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,854 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:47,855 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,858 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:47,861 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:47,868 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,880 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,892 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:47,902 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,905 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,913 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,926 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,934 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,950 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,961 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:47,971 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:47,974 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:47,976 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:47,979 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:47,982 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:47,989 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,003 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,006 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,036 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,039 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,049 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,063 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,067 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,077 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,087 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,091 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:48,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,095 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:48,097 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 18:02:48,103 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,118 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,145 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,168 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,175 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,198 INFO L441 ElimStorePlain]: Different costs {10=[|v_#valid_52|], 14=[|v_#length_38|]} [2020-10-19 18:02:48,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:48,237 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:48,238 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 28 [2020-10-19 18:02:48,239 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-19 18:02:48,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980373135] [2020-10-19 18:02:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:02:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:02:48,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-19 18:02:48,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:02:48,472 INFO L350 Elim1Store]: treesize reduction 73, result has 33.0 percent of original size [2020-10-19 18:02:48,473 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 41 [2020-10-19 18:02:48,473 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:48,560 INFO L625 ElimStorePlain]: treesize reduction 10, result has 82.1 percent of original size [2020-10-19 18:02:48,639 INFO L350 Elim1Store]: treesize reduction 13, result has 76.4 percent of original size [2020-10-19 18:02:48,640 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 47 [2020-10-19 18:02:48,641 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:48,727 INFO L625 ElimStorePlain]: treesize reduction 20, result has 75.0 percent of original size [2020-10-19 18:02:48,728 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:48,729 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,729 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,731 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-19 18:02:48,731 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:60 [2020-10-19 18:02:48,732 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:48,732 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,733 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,735 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:48,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,736 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,758 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:48,758 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,759 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,783 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:48,784 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,784 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,811 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-19 18:02:48,811 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,812 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,846 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,852 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,859 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,865 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,869 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-19 18:02:48,872 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,873 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,878 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,885 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,886 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,892 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,897 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,898 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,902 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,916 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,924 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,937 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,938 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,946 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-19 18:02:48,949 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,950 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,962 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,967 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:48,971 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,973 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,983 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:48,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:48,992 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-19 18:02:48,994 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:48,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:49,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:49,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:49,009 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:49,013 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:02:49,018 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:02:49,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:02:49,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:02:49,052 INFO L441 ElimStorePlain]: Different costs {14=[|v_#length_40|], 16=[|v_#valid_54|]} [2020-10-19 18:02:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,116 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,116 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 37 [2020-10-19 18:02:49,117 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,241 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,241 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 61 [2020-10-19 18:02:49,243 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,305 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2020-10-19 18:02:49,306 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,374 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,374 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 39 [2020-10-19 18:02:49,376 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,473 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,473 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 61 [2020-10-19 18:02:49,475 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,538 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,539 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 37 [2020-10-19 18:02:49,539 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,617 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,617 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 37 [2020-10-19 18:02:49,618 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,742 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,743 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 63 [2020-10-19 18:02:49,745 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,814 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,814 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 39 [2020-10-19 18:02:49,815 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,868 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2020-10-19 18:02:49,869 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,941 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:49,941 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 37 [2020-10-19 18:02:49,942 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,029 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:50,030 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 39 [2020-10-19 18:02:50,031 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:50,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,114 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:50,115 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 37 [2020-10-19 18:02:50,116 INFO L545 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:50,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,173 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2020-10-19 18:02:50,174 INFO L545 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:50,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,227 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2020-10-19 18:02:50,227 INFO L545 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:50,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,310 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:50,310 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 37 [2020-10-19 18:02:50,311 INFO L545 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:50,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,370 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:50,370 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 37 [2020-10-19 18:02:50,372 INFO L545 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:50,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,421 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:50,421 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 37 [2020-10-19 18:02:50,422 INFO L545 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,505 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:50,506 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 63 [2020-10-19 18:02:50,507 INFO L545 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-10-19 18:02:50,922 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2020-10-19 18:02:50,924 INFO L625 ElimStorePlain]: treesize reduction 1140, result has 13.6 percent of original size [2020-10-19 18:02:50,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:02:50,947 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:02:50,948 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 20 [2020-10-19 18:02:50,954 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-19 18:02:50,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:02:50,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-19 18:02:50,954 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-19 18:02:50,954 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:02:51,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:02:51,578 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-19 18:02:51,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:02:51 BoogieIcfgContainer [2020-10-19 18:02:51,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:02:51,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:02:51,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:02:51,579 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:02:51,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:02:41" (3/4) ... [2020-10-19 18:02:51,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:02:51,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:02:51,586 INFO L168 Benchmark]: Toolchain (without parser) took 11249.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.8 MB). Free memory was 954.6 MB in the beginning and 890.4 MB in the end (delta: 64.2 MB). Peak memory consumption was 363.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:02:51,589 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:02:51,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:02:51,592 INFO L168 Benchmark]: Boogie Preprocessor took 99.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:02:51,593 INFO L168 Benchmark]: RCFGBuilder took 805.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:02:51,593 INFO L168 Benchmark]: TraceAbstraction took 9610.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.0 GB in the beginning and 890.4 MB in the end (delta: 142.4 MB). Peak memory consumption was 299.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:02:51,594 INFO L168 Benchmark]: Witness Printer took 4.14 ms. Allocated memory is still 1.3 GB. Free memory is still 890.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:02:51,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 720.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 805.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9610.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.0 GB in the beginning and 890.4 MB in the end (delta: 142.4 MB). Peak memory consumption was 299.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.14 ms. Allocated memory is still 1.3 GB. Free memory is still 890.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 644]: 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: [L640] char a[sizeof(int*)]; [L648] CALL foo() [L643] int *p = (int *)malloc(10); [L643] int *p = (int *)malloc(10); - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 68 locations, 15 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 9.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 75 SDtfs, 25 SDslu, 82 SDs, 0 SdLazy, 45 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=1, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 7 QuantifiedInterpolants, 1302 SizeOfPredicates, 9 NumberOfNonLiveVariables, 172 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...