./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/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 0.1.25-9a8b2e8 [2020-10-20 05:55:29,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:55:29,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:55:29,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:55:29,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:55:29,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:55:29,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:55:29,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:55:29,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:55:29,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:55:29,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:55:29,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:55:29,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:55:29,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:55:29,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:55:29,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:55:29,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:55:29,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:55:29,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:55:29,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:55:29,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:55:29,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:55:29,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:55:29,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:55:29,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:55:29,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:55:29,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:55:29,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:55:29,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:55:29,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:55:29,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:55:29,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:55:29,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:55:29,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:55:29,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:55:29,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:55:29,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:55:29,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:55:29,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:55:29,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:55:29,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:55:29,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 05:55:29,389 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:55:29,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:55:29,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:55:29,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:55:29,391 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:55:29,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:55:29,392 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:55:29,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:55:29,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:55:29,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:55:29,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:55:29,393 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:55:29,393 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:55:29,394 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:55:29,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:55:29,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:55:29,394 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:55:29,395 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:55:29,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:55:29,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:55:29,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:55:29,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:55:29,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:55:29,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:55:29,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:55:29,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 05:55:29,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 05:55:29,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:55:29,397 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 [2020-10-20 05:55:29,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:55:29,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:55:29,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:55:29,612 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:55:29,613 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:55:29,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-20 05:55:29,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe3820019/7afae73054b649e2986b6a769e0f9852/FLAGf1b955ca4 [2020-10-20 05:55:30,226 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:55:30,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-20 05:55:30,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe3820019/7afae73054b649e2986b6a769e0f9852/FLAGf1b955ca4 [2020-10-20 05:55:30,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe3820019/7afae73054b649e2986b6a769e0f9852 [2020-10-20 05:55:30,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:55:30,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:55:30,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:55:30,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:55:30,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:55:30,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:55:30" (1/1) ... [2020-10-20 05:55:30,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4342b875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:30, skipping insertion in model container [2020-10-20 05:55:30,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:55:30" (1/1) ... [2020-10-20 05:55:30,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:55:30,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:55:31,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:55:31,175 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-20 05:55:31,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70d67734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:31, skipping insertion in model container [2020-10-20 05:55:31,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:55:31,177 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 05:55:31,180 INFO L168 Benchmark]: Toolchain (without parser) took 573.11 ms. Allocated memory was 32.5 MB in the beginning and 43.5 MB in the end (delta: 11.0 MB). Free memory was 8.4 MB in the beginning and 22.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-20 05:55:31,181 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 31.5 MB. Free memory was 16.7 MB in the beginning and 16.6 MB in the end (delta: 80.5 kB). Peak memory consumption was 80.5 kB. Max. memory is 14.3 GB. [2020-10-20 05:55:31,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.29 ms. Allocated memory was 32.5 MB in the beginning and 43.5 MB in the end (delta: 11.0 MB). Free memory was 7.6 MB in the beginning and 22.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. [2020-10-20 05:55:31,188 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 31.5 MB. Free memory was 16.7 MB in the beginning and 16.6 MB in the end (delta: 80.5 kB). Peak memory consumption was 80.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 566.29 ms. Allocated memory was 32.5 MB in the beginning and 43.5 MB in the end (delta: 11.0 MB). Free memory was 7.6 MB in the beginning and 22.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 05:55:32,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:55:32,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:55:33,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:55:33,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:55:33,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:55:33,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:55:33,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:55:33,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:55:33,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:55:33,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:55:33,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:55:33,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:55:33,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:55:33,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:55:33,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:55:33,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:55:33,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:55:33,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:55:33,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:55:33,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:55:33,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:55:33,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:55:33,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:55:33,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:55:33,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:55:33,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:55:33,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:55:33,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:55:33,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:55:33,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:55:33,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:55:33,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:55:33,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:55:33,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:55:33,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:55:33,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:55:33,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:55:33,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:55:33,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:55:33,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:55:33,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 05:55:33,078 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:55:33,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:55:33,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:55:33,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:55:33,080 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:55:33,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:55:33,081 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:55:33,081 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:55:33,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:55:33,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:55:33,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:55:33,082 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:55:33,082 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:55:33,082 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:55:33,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:55:33,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:55:33,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 05:55:33,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 05:55:33,084 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:55:33,084 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:55:33,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:55:33,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:55:33,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:55:33,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:55:33,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:55:33,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:55:33,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:55:33,086 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 05:55:33,086 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 05:55:33,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:55:33,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 05:55:33,087 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 [2020-10-20 05:55:33,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:55:33,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:55:33,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:55:33,298 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:55:33,298 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:55:33,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-20 05:55:33,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b46c7d2b/ba8089068c1f41c688ed64449912ebc0/FLAGefe645bb9 [2020-10-20 05:55:33,912 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:55:33,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-20 05:55:33,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b46c7d2b/ba8089068c1f41c688ed64449912ebc0/FLAGefe645bb9 [2020-10-20 05:55:34,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b46c7d2b/ba8089068c1f41c688ed64449912ebc0 [2020-10-20 05:55:34,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:55:34,261 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:55:34,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:55:34,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:55:34,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:55:34,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:34,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6786559a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34, skipping insertion in model container [2020-10-20 05:55:34,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:34,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:55:34,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:55:34,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:55:34,734 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 05:55:34,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:55:34,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:55:34,812 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 05:55:34,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:55:34,962 INFO L208 MainTranslator]: Completed translation [2020-10-20 05:55:34,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34 WrapperNode [2020-10-20 05:55:34,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:55:34,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 05:55:34,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 05:55:34,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 05:55:34,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:34,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:35,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:35,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:35,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:35,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:35,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (1/1) ... [2020-10-20 05:55:35,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 05:55:35,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 05:55:35,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 05:55:35,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 05:55:35,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:55:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 05:55:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 05:55:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 05:55:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-20 05:55:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 05:55:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 05:55:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 05:55:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 05:55:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 05:55:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-20 05:55:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 05:55:35,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 05:55:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 05:55:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-20 05:55:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-20 05:55:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-20 05:55:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-20 05:55:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 05:55:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 05:55:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 05:55:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 05:55:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 05:55:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 05:55:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 05:55:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 05:55:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 05:55:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 05:55:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 05:55:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 05:55:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 05:55:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 05:55:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 05:55:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 05:55:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 05:55:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 05:55:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 05:55:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 05:55:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 05:55:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 05:55:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 05:55:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 05:55:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 05:55:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 05:55:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 05:55:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 05:55:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 05:55:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 05:55:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 05:55:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 05:55:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 05:55:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 05:55:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 05:55:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 05:55:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 05:55:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 05:55:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 05:55:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 05:55:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 05:55:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 05:55:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 05:55:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 05:55:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 05:55:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 05:55:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 05:55:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 05:55:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 05:55:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 05:55:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 05:55:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 05:55:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 05:55:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 05:55:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 05:55:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 05:55:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 05:55:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 05:55:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 05:55:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 05:55:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 05:55:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 05:55:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 05:55:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 05:55:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 05:55:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 05:55:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 05:55:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 05:55:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 05:55:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 05:55:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 05:55:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 05:55:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 05:55:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 05:55:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 05:55:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 05:55:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 05:55:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 05:55:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 05:55:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 05:55:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 05:55:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 05:55:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 05:55:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 05:55:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-20 05:55:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-10-20 05:55:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 05:55:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-20 05:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-20 05:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-20 05:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-20 05:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-20 05:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-20 05:55:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-20 05:55:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-20 05:55:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-10-20 05:55:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-10-20 05:55:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-10-20 05:55:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-10-20 05:55:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-10-20 05:55:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-10-20 05:55:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-20 05:55:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-20 05:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-20 05:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-20 05:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-20 05:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-20 05:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-10-20 05:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-10-20 05:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-10-20 05:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-20 05:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-20 05:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-10-20 05:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-10-20 05:55:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-10-20 05:55:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-10-20 05:55:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-10-20 05:55:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-10-20 05:55:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-10-20 05:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-10-20 05:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-20 05:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2020-10-20 05:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2020-10-20 05:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-10-20 05:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-10-20 05:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2020-10-20 05:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2020-10-20 05:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure explicit_bzero [2020-10-20 05:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-20 05:55:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-10-20 05:55:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-10-20 05:55:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-10-20 05:55:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-10-20 05:55:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-10-20 05:55:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-20 05:55:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 05:55:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 05:55:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 05:55:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 05:55:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 05:55:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 05:55:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 05:55:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 05:55:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 05:55:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 05:55:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 05:55:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 05:55:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 05:55:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-10-20 05:55:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-20 05:55:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2020-10-20 05:55:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-20 05:55:35,682 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 05:55:35,890 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 05:55:35,891 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-20 05:55:35,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:55:35 BoogieIcfgContainer [2020-10-20 05:55:35,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 05:55:35,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 05:55:35,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 05:55:35,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 05:55:35,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:55:34" (1/3) ... [2020-10-20 05:55:35,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9afc3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:55:35, skipping insertion in model container [2020-10-20 05:55:35,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:55:34" (2/3) ... [2020-10-20 05:55:35,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9afc3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:55:35, skipping insertion in model container [2020-10-20 05:55:35,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:55:35" (3/3) ... [2020-10-20 05:55:35,900 INFO L111 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime.i [2020-10-20 05:55:35,912 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 05:55:35,919 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2020-10-20 05:55:35,931 INFO L253 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2020-10-20 05:55:35,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 05:55:35,951 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 05:55:35,951 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 05:55:35,951 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 05:55:35,951 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 05:55:35,952 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 05:55:35,952 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 05:55:35,952 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 05:55:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-10-20 05:55:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 05:55:35,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:55:35,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:55:35,978 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]=== [2020-10-20 05:55:35,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:55:35,984 INFO L82 PathProgramCache]: Analyzing trace with hash -678462725, now seen corresponding path program 1 times [2020-10-20 05:55:35,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:55:35,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634709207] [2020-10-20 05:55:35,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 05:55:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:55:36,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 05:55:36,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:55:36,415 INFO L350 Elim1Store]: treesize reduction 73, result has 33.0 percent of original size [2020-10-20 05:55:36,416 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 [2020-10-20 05:55:36,417 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:36,458 INFO L625 ElimStorePlain]: treesize reduction 10, result has 75.6 percent of original size [2020-10-20 05:55:36,473 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-20 05:55:36,479 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. [2020-10-20 05:55:36,479 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:31 [2020-10-20 05:55:36,483 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-20 05:55:36,622 INFO L350 Elim1Store]: treesize reduction 27, result has 57.1 percent of original size [2020-10-20 05:55:36,623 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 [2020-10-20 05:55:36,625 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:36,660 INFO L625 ElimStorePlain]: treesize reduction 17, result has 54.1 percent of original size [2020-10-20 05:55:36,663 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. [2020-10-20 05:55:36,668 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:20 [2020-10-20 05:55:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:55:36,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:55:38,733 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 [2020-10-20 05:55:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:55:38,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634709207] [2020-10-20 05:55:38,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:55:38,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-10-20 05:55:38,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343490322] [2020-10-20 05:55:38,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 05:55:38,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:55:38,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 05:55:38,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=7, Unknown=1, NotChecked=4, Total=20 [2020-10-20 05:55:38,876 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 5 states. [2020-10-20 05:55:39,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:55:39,016 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2020-10-20 05:55:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 05:55:39,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-20 05:55:39,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:55:39,028 INFO L225 Difference]: With dead ends: 47 [2020-10-20 05:55:39,029 INFO L226 Difference]: Without dead ends: 44 [2020-10-20 05:55:39,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=13, Invalid=10, Unknown=1, NotChecked=6, Total=30 [2020-10-20 05:55:39,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-20 05:55:39,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-20 05:55:39,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-20 05:55:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2020-10-20 05:55:39,070 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 8 [2020-10-20 05:55:39,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:55:39,071 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2020-10-20 05:55:39,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 05:55:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2020-10-20 05:55:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 05:55:39,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:55:39,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:55:39,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 05:55:39,287 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]=== [2020-10-20 05:55:39,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:55:39,288 INFO L82 PathProgramCache]: Analyzing trace with hash -678462724, now seen corresponding path program 1 times [2020-10-20 05:55:39,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:55:39,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693482661] [2020-10-20 05:55:39,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 05:55:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:55:39,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 05:55:39,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:55:39,506 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 05:55:39,507 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 [2020-10-20 05:55:39,509 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:39,516 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:39,523 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. [2020-10-20 05:55:39,524 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2020-10-20 05:55:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:55:39,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:55:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:55:39,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693482661] [2020-10-20 05:55:39,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:55:39,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-20 05:55:39,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853076842] [2020-10-20 05:55:39,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 05:55:39,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:55:39,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 05:55:39,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 05:55:39,559 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 4 states. [2020-10-20 05:55:39,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:55:39,628 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-10-20 05:55:39,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 05:55:39,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-20 05:55:39,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:55:39,630 INFO L225 Difference]: With dead ends: 43 [2020-10-20 05:55:39,630 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 05:55:39,631 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 [2020-10-20 05:55:39,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 05:55:39,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 05:55:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 05:55:39,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2020-10-20 05:55:39,638 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 8 [2020-10-20 05:55:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:55:39,638 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2020-10-20 05:55:39,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 05:55:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2020-10-20 05:55:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 05:55:39,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:55:39,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:55:39,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 05:55:39,852 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]=== [2020-10-20 05:55:39,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:55:39,853 INFO L82 PathProgramCache]: Analyzing trace with hash -678462723, now seen corresponding path program 1 times [2020-10-20 05:55:39,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:55:39,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299667617] [2020-10-20 05:55:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 05:55:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:55:40,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 05:55:40,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:55:40,096 INFO L350 Elim1Store]: treesize reduction 13, result has 76.4 percent of original size [2020-10-20 05:55:40,097 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 [2020-10-20 05:55:40,098 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:40,158 INFO L625 ElimStorePlain]: treesize reduction 20, result has 69.2 percent of original size [2020-10-20 05:55:40,269 INFO L350 Elim1Store]: treesize reduction 73, result has 33.0 percent of original size [2020-10-20 05:55:40,270 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 [2020-10-20 05:55:40,270 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:40,352 INFO L625 ElimStorePlain]: treesize reduction 10, result has 85.7 percent of original size [2020-10-20 05:55:40,355 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:40,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:40,357 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,361 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. [2020-10-20 05:55:40,361 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:60 [2020-10-20 05:55:40,363 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:40,364 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:40,365 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,391 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:40,392 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:40,393 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,433 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:40,434 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:40,435 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,490 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:40,491 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:40,493 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,531 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:40,532 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:40,533 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,576 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,579 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,587 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,605 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,627 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,638 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-20 05:55:40,647 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,651 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,657 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,670 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,672 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,689 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,696 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,703 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,710 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,715 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,718 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,724 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,731 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,733 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,739 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,743 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-20 05:55:40,745 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,750 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,756 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,758 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,764 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,770 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,776 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,781 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,789 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,807 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,812 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-20 05:55:40,814 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,821 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,828 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,829 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:40,834 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,835 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,842 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,853 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:40,856 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:40,861 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:40,890 INFO L441 ElimStorePlain]: Different costs {10=[|v_#valid_50|], 14=[|v_#length_36|]} [2020-10-20 05:55:40,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:40,951 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:40,951 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 58 [2020-10-20 05:55:40,952 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:40,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:40,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:40,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:40,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:40,996 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:40,996 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 33 [2020-10-20 05:55:41,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299667617] [2020-10-20 05:55:41,009 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-20 05:55:41,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [891509415] [2020-10-20 05:55:41,009 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 [2020-10-20 05:55:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:55:41,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-20 05:55:41,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:55:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:41,376 INFO L350 Elim1Store]: treesize reduction 67, result has 25.6 percent of original size [2020-10-20 05:55:41,377 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 [2020-10-20 05:55:41,377 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:41,428 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:41,510 INFO L350 Elim1Store]: treesize reduction 13, result has 76.4 percent of original size [2020-10-20 05:55:41,510 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 [2020-10-20 05:55:41,511 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:41,606 INFO L625 ElimStorePlain]: treesize reduction 20, result has 75.0 percent of original size [2020-10-20 05:55:41,608 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,609 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,610 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,611 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. [2020-10-20 05:55:41,612 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:60 [2020-10-20 05:55:41,613 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,613 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,614 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,653 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,654 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,655 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,694 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,695 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,731 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,732 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,771 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,772 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,815 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,825 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,837 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,840 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,848 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,865 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,868 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:41,869 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,872 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:41,874 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:41,879 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,892 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,895 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,905 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:41,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,916 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,924 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,937 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,945 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,959 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,968 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:41,982 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:41,985 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:41,986 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:41,989 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:41,991 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:41,996 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,008 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:42,011 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:42,020 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:42,030 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,038 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:42,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:42,052 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,061 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:42,070 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,073 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:42,074 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:42,077 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:42,080 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 05:55:42,090 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,103 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:42,105 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:42,114 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,124 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:42,127 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,136 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:42,163 INFO L441 ElimStorePlain]: Different costs {10=[|v_#valid_52|], 14=[|v_#length_38|]} [2020-10-20 05:55:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:42,211 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:42,212 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 [2020-10-20 05:55:42,213 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:42,228 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 05:55:42,231 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 05:55:42,232 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2020-10-20 05:55:42,234 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-20 05:55:42,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556440317] [2020-10-20 05:55:42,234 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 [2020-10-20 05:55:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:55:42,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-20 05:55:42,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:55:42,458 INFO L350 Elim1Store]: treesize reduction 73, result has 33.0 percent of original size [2020-10-20 05:55:42,458 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 [2020-10-20 05:55:42,459 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:42,533 INFO L625 ElimStorePlain]: treesize reduction 10, result has 82.1 percent of original size [2020-10-20 05:55:42,764 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-10-20 05:55:42,765 INFO L350 Elim1Store]: treesize reduction 13, result has 76.4 percent of original size [2020-10-20 05:55:42,766 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 [2020-10-20 05:55:42,766 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:42,868 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-10-20 05:55:42,868 INFO L625 ElimStorePlain]: treesize reduction 20, result has 75.0 percent of original size [2020-10-20 05:55:42,870 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:42,870 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,872 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,874 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. [2020-10-20 05:55:42,874 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:60 [2020-10-20 05:55:42,875 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:42,876 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,876 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,880 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:42,881 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,882 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,906 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:42,907 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,908 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,932 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:42,933 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,933 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,956 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 05:55:42,957 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,957 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:42,989 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:42,991 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:42,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,002 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,017 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,022 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-20 05:55:43,024 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,030 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,037 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,038 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,043 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:43,048 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,059 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,065 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,073 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,075 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,079 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,083 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-20 05:55:43,086 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,087 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,098 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,100 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,110 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:43,115 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,116 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,120 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,126 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,132 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,137 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-10-20 05:55:43,140 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,141 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,154 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,155 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,160 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 05:55:43,165 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 05:55:43,166 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 05:55:43,171 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 05:55:43,197 INFO L441 ElimStorePlain]: Different costs {14=[|v_#length_40|], 16=[|v_#valid_54|]} [2020-10-20 05:55:43,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,262 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:43,262 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 [2020-10-20 05:55:43,263 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,394 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:43,395 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 [2020-10-20 05:55:43,396 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,441 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 [2020-10-20 05:55:43,442 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,497 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:43,498 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 [2020-10-20 05:55:43,499 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,561 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:43,561 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 [2020-10-20 05:55:43,562 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,639 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:43,640 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 [2020-10-20 05:55:43,641 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,765 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:43,765 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 [2020-10-20 05:55:43,768 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,828 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:43,828 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 [2020-10-20 05:55:43,829 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,867 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 [2020-10-20 05:55:43,868 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,946 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:43,947 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 [2020-10-20 05:55:43,947 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,039 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:44,039 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 [2020-10-20 05:55:44,041 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,099 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 [2020-10-20 05:55:44,099 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,152 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 [2020-10-20 05:55:44,153 INFO L545 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,219 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:44,219 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 [2020-10-20 05:55:44,220 INFO L545 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,294 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:44,294 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 [2020-10-20 05:55:44,295 INFO L545 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,363 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:44,364 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 [2020-10-20 05:55:44,365 INFO L545 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,465 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:44,465 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 [2020-10-20 05:55:44,466 INFO L545 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,584 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:44,585 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 [2020-10-20 05:55:44,586 INFO L545 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:44,629 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:44,630 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 [2020-10-20 05:55:44,631 INFO L545 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-10-20 05:55:44,993 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 44 [2020-10-20 05:55:44,998 INFO L625 ElimStorePlain]: treesize reduction 1154, result has 13.3 percent of original size [2020-10-20 05:55:45,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:45,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:55:45,024 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:55:45,025 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 [2020-10-20 05:55:45,026 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-20 05:55:45,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:55:45,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 05:55:45,027 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 05:55:45,027 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 05:55:45,641 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 [2020-10-20 05:55:45,654 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 05:55:45,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:55:45 BoogieIcfgContainer [2020-10-20 05:55:45,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 05:55:45,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 05:55:45,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 05:55:45,655 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 05:55:45,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:55:35" (3/4) ... [2020-10-20 05:55:45,659 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 05:55:45,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 05:55:45,661 INFO L168 Benchmark]: Toolchain (without parser) took 11406.16 ms. Allocated memory was 39.3 MB in the beginning and 98.6 MB in the end (delta: 59.2 MB). Free memory was 15.1 MB in the beginning and 42.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 14.3 GB. [2020-10-20 05:55:45,662 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 30.4 MB. Free memory was 6.3 MB in the beginning and 6.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 05:55:45,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.71 ms. Allocated memory was 39.3 MB in the beginning and 41.9 MB in the end (delta: 2.6 MB). Free memory was 14.2 MB in the beginning and 17.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-20 05:55:45,668 INFO L168 Benchmark]: Boogie Preprocessor took 114.87 ms. Allocated memory is still 41.9 MB. Free memory was 17.1 MB in the beginning and 13.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 05:55:45,669 INFO L168 Benchmark]: RCFGBuilder took 813.67 ms. Allocated memory was 41.9 MB in the beginning and 45.1 MB in the end (delta: 3.1 MB). Free memory was 13.2 MB in the beginning and 16.6 MB in the end (delta: -3.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-20 05:55:45,669 INFO L168 Benchmark]: TraceAbstraction took 9760.81 ms. Allocated memory was 45.1 MB in the beginning and 98.6 MB in the end (delta: 53.5 MB). Free memory was 16.2 MB in the beginning and 42.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 54.1 MB. Max. memory is 14.3 GB. [2020-10-20 05:55:45,670 INFO L168 Benchmark]: Witness Printer took 4.90 ms. Allocated memory is still 98.6 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 05:55:45,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 30.4 MB. Free memory was 6.3 MB in the beginning and 6.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 700.71 ms. Allocated memory was 39.3 MB in the beginning and 41.9 MB in the end (delta: 2.6 MB). Free memory was 14.2 MB in the beginning and 17.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 114.87 ms. Allocated memory is still 41.9 MB. Free memory was 17.1 MB in the beginning and 13.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 813.67 ms. Allocated memory was 41.9 MB in the beginning and 45.1 MB in the end (delta: 3.1 MB). Free memory was 13.2 MB in the beginning and 16.6 MB in the end (delta: -3.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 9760.81 ms. Allocated memory was 45.1 MB in the beginning and 98.6 MB in the end (delta: 53.5 MB). Free memory was 16.2 MB in the beginning and 42.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 54.1 MB. Max. memory is 14.3 GB. * Witness Printer took 4.90 ms. Allocated memory is still 98.6 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 14.3 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: 9.6s, 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, 2.7s 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...