./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/20020406-1.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/20020406-1.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 519bd6f63e98072ca0c436086b3e5926896f323e ............................................................................................................................. 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/20020406-1.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 519bd6f63e98072ca0c436086b3e5926896f323e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:52:46,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:52:46,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:52:46,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:52:46,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:52:46,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:52:46,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:52:46,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:52:46,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:52:46,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:52:46,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:52:46,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:52:46,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:52:46,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:52:46,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:52:46,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:52:46,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:52:46,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:52:46,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:52:46,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:52:46,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:52:46,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:52:46,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:52:46,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:52:46,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:52:46,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:52:46,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:52:46,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:52:46,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:52:46,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:52:46,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:52:46,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:52:46,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:52:46,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:52:46,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:52:46,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:52:46,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:52:47,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:52:47,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:52:47,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:52:47,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:52:47,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 05:52:47,052 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:52:47,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:52:47,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:52:47,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:52:47,057 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:52:47,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:52:47,058 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:52:47,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:52:47,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:52:47,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:52:47,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:52:47,060 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:52:47,060 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:52:47,061 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:52:47,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:52:47,061 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:52:47,061 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:52:47,062 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:52:47,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:52:47,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:52:47,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:52:47,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:52:47,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:52:47,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:52:47,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:52:47,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 05:52:47,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 05:52:47,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:52:47,064 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 -> 519bd6f63e98072ca0c436086b3e5926896f323e [2020-10-20 05:52:47,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:52:47,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:52:47,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:52:47,362 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:52:47,363 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:52:47,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/20020406-1.i [2020-10-20 05:52:47,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b3283d5/0cd04be1a45d420da846dd55f97073ca/FLAGc4b70df59 [2020-10-20 05:52:48,045 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:52:48,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/20020406-1.i [2020-10-20 05:52:48,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b3283d5/0cd04be1a45d420da846dd55f97073ca/FLAGc4b70df59 [2020-10-20 05:52:48,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b3283d5/0cd04be1a45d420da846dd55f97073ca [2020-10-20 05:52:48,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:52:48,263 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:52:48,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:52:48,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:52:48,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:52:48,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:52:48" (1/1) ... [2020-10-20 05:52:48,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed8856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:48, skipping insertion in model container [2020-10-20 05:52:48,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:52:48" (1/1) ... [2020-10-20 05:52:48,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:52:48,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:52:48,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:52:48,904 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 05:52:48,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@364af7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:48, skipping insertion in model container [2020-10-20 05:52:48,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:52:48,906 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 05:52:48,909 INFO L168 Benchmark]: Toolchain (without parser) took 649.50 ms. Allocated memory was 37.2 MB in the beginning and 46.1 MB in the end (delta: 8.9 MB). Free memory was 16.7 MB in the beginning and 23.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. [2020-10-20 05:52:48,911 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory was 10.6 MB in the beginning and 10.5 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. [2020-10-20 05:52:48,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.31 ms. Allocated memory was 37.2 MB in the beginning and 46.1 MB in the end (delta: 8.9 MB). Free memory was 15.9 MB in the beginning and 23.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 05:52:48,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory was 10.6 MB in the beginning and 10.5 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 641.31 ms. Allocated memory was 37.2 MB in the beginning and 46.1 MB in the end (delta: 8.9 MB). Free memory was 15.9 MB in the beginning and 23.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 897]: 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 05:52:50,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:52:50,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:52:51,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:52:51,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:52:51,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:52:51,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:52:51,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:52:51,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:52:51,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:52:51,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:52:51,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:52:51,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:52:51,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:52:51,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:52:51,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:52:51,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:52:51,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:52:51,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:52:51,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:52:51,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:52:51,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:52:51,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:52:51,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:52:51,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:52:51,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:52:51,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:52:51,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:52:51,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:52:51,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:52:51,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:52:51,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:52:51,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:52:51,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:52:51,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:52:51,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:52:51,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:52:51,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:52:51,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:52:51,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:52:51,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:52:51,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 05:52:51,109 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:52:51,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:52:51,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:52:51,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:52:51,112 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:52:51,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:52:51,112 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:52:51,112 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:52:51,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:52:51,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:52:51,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:52:51,113 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:52:51,114 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:52:51,114 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:52:51,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:52:51,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:52:51,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 05:52:51,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 05:52:51,115 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:52:51,115 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:52:51,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:52:51,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:52:51,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:52:51,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:52:51,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:52:51,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:52:51,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:52:51,117 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 05:52:51,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 05:52:51,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:52:51,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 05:52:51,118 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 -> 519bd6f63e98072ca0c436086b3e5926896f323e [2020-10-20 05:52:51,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:52:51,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:52:51,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:52:51,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:52:51,368 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:52:51,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/20020406-1.i [2020-10-20 05:52:51,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfda55c6b/8870914ea5b64e1aa45b3ff647b0cd92/FLAGc5566226b [2020-10-20 05:52:52,004 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:52:52,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/20020406-1.i [2020-10-20 05:52:52,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfda55c6b/8870914ea5b64e1aa45b3ff647b0cd92/FLAGc5566226b [2020-10-20 05:52:52,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfda55c6b/8870914ea5b64e1aa45b3ff647b0cd92 [2020-10-20 05:52:52,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:52:52,215 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:52:52,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:52:52,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:52:52,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:52:52,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:52:52" (1/1) ... [2020-10-20 05:52:52,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6ddf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:52, skipping insertion in model container [2020-10-20 05:52:52,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:52:52" (1/1) ... [2020-10-20 05:52:52,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:52:52,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:52:52,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:52:52,942 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 05:52:52,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:52:53,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:52:53,037 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 05:52:53,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:52:53,364 INFO L208 MainTranslator]: Completed translation [2020-10-20 05:52:53,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53 WrapperNode [2020-10-20 05:52:53,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:52:53,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 05:52:53,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 05:52:53,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 05:52:53,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (1/1) ... [2020-10-20 05:52:53,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (1/1) ... [2020-10-20 05:52:53,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (1/1) ... [2020-10-20 05:52:53,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (1/1) ... [2020-10-20 05:52:53,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (1/1) ... [2020-10-20 05:52:53,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (1/1) ... [2020-10-20 05:52:53,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (1/1) ... [2020-10-20 05:52:53,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 05:52:53,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 05:52:53,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 05:52:53,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 05:52:53,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (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 05:52:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 05:52:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 05:52:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 05:52:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-20 05:52:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 05:52:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 05:52:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 05:52:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 05:52:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 05:52:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure FFmul [2020-10-20 05:52:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFdeg [2020-10-20 05:52:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFnew [2020-10-20 05:52:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFfree [2020-10-20 05:52:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFswap [2020-10-20 05:52:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFcopy [2020-10-20 05:52:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFshift_add [2020-10-20 05:52:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFexgcd [2020-10-20 05:52:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 05:52:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 05:52:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 05:52:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-20 05:52:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-20 05:52:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-20 05:52:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-20 05:52:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 05:52:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-10-20 05:52:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-10-20 05:52:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-10-20 05:52:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-10-20 05:52:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-10-20 05:52:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-10-20 05:52:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-10-20 05:52:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-10-20 05:52:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-10-20 05:52:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-10-20 05:52:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-10-20 05:52:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-10-20 05:52:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-10-20 05:52:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-10-20 05:52:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-10-20 05:52:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-10-20 05:52:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-10-20 05:52:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-10-20 05:52:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-10-20 05:52:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-10-20 05:52:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-10-20 05:52:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-10-20 05:52:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-10-20 05:52:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-10-20 05:52:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-10-20 05:52:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-10-20 05:52:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-10-20 05:52:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-10-20 05:52:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-10-20 05:52:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-10-20 05:52:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-10-20 05:52:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-10-20 05:52:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-10-20 05:52:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-10-20 05:52:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-10-20 05:52:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-10-20 05:52:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-10-20 05:52:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-10-20 05:52:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-20 05:52:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-20 05:52:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-10-20 05:52:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-10-20 05:52:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-10-20 05:52:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-20 05:52:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-10-20 05:52:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-10-20 05:52:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-10-20 05:52:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-10-20 05:52:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-10-20 05:52:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-20 05:52:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-10-20 05:52:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-10-20 05:52:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-10-20 05:52:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-10-20 05:52:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-10-20 05:52:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-10-20 05:52:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-10-20 05:52:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-10-20 05:52:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-10-20 05:52:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-10-20 05:52:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-10-20 05:52:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-10-20 05:52:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-10-20 05:52:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-10-20 05:52:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-10-20 05:52:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-10-20 05:52:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-10-20 05:52:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-10-20 05:52:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-10-20 05:52:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-10-20 05:52:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-10-20 05:52:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-10-20 05:52:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-20 05:52:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-10-20 05:52:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-10-20 05:52:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-10-20 05:52:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-10-20 05:52:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-10-20 05:52:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-10-20 05:52:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-10-20 05:52:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-10-20 05:52:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-10-20 05:52:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-10-20 05:52:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-10-20 05:52:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-10-20 05:52:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-10-20 05:52:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-10-20 05:52:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-10-20 05:52:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-10-20 05:52:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-10-20 05:52:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-10-20 05:52:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-10-20 05:52:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-10-20 05:52:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-10-20 05:52:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-10-20 05:52:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-10-20 05:52:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-10-20 05:52:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-10-20 05:52:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-10-20 05:52:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-10-20 05:52:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 05:52:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 05:52:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 05:52:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 05:52:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 05:52:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 05:52:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 05:52:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 05:52:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 05:52:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 05:52:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 05:52:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 05:52:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 05:52:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 05:52:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 05:52:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 05:52:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 05:52:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 05:52:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 05:52:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 05:52:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 05:52:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 05:52:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 05:52:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 05:52:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 05:52:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 05:52:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 05:52:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 05:52:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 05:52:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 05:52:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 05:52:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 05:52:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 05:52:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 05:52:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 05:52:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 05:52:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 05:52:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 05:52:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 05:52:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 05:52:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 05:52:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 05:52:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 05:52:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 05:52:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 05:52:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 05:52:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 05:52:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 05:52:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 05:52:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 05:52:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 05:52:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 05:52:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 05:52:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 05:52:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 05:52:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 05:52:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 05:52:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 05:52:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 05:52:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 05:52:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 05:52:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 05:52:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 05:52:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 05:52:53,628 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 05:52:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 05:52:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 05:52:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 05:52:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 05:52:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 05:52:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 05:52:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 05:52:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 05:52:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 05:52:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 05:52:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 05:52:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 05:52:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 05:52:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 05:52:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 05:52:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 05:52:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 05:52:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 05:52:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 05:52:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 05:52:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 05:52:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 05:52:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 05:52:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 05:52:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 05:52:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 05:52:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 05:52:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 05:52:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 05:52:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 05:52:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 05:52:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 05:52:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 05:52:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 05:52:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 05:52:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 05:52:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 05:52:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-20 05:52:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-10-20 05:52:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 05:52:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-20 05:52:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-20 05:52:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-20 05:52:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-20 05:52:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-20 05:52:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-20 05:52:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-20 05:52:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-20 05:52:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-10-20 05:52:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-10-20 05:52:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-10-20 05:52:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-10-20 05:52:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-10-20 05:52:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-10-20 05:52:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-20 05:52:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-20 05:52:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-20 05:52:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-20 05:52:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-20 05:52:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-20 05:52:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-10-20 05:52:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-10-20 05:52:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-10-20 05:52:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-20 05:52:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-20 05:52:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-10-20 05:52:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-10-20 05:52:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-10-20 05:52:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-10-20 05:52:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-10-20 05:52:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-10-20 05:52:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-10-20 05:52:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-10-20 05:52:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-20 05:52:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2020-10-20 05:52:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2020-10-20 05:52:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-10-20 05:52:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-10-20 05:52:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2020-10-20 05:52:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2020-10-20 05:52:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure explicit_bzero [2020-10-20 05:52:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-20 05:52:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-10-20 05:52:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-10-20 05:52:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-10-20 05:52:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-10-20 05:52:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-10-20 05:52:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure FFmul [2020-10-20 05:52:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFdeg [2020-10-20 05:52:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 05:52:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFnew [2020-10-20 05:52:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 05:52:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 05:52:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 05:52:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 05:52:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 05:52:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFfree [2020-10-20 05:52:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFswap [2020-10-20 05:52:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFcopy [2020-10-20 05:52:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFshift_add [2020-10-20 05:52:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFexgcd [2020-10-20 05:52:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 05:52:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 05:52:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 05:52:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 05:52:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 05:52:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 05:52:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-20 05:52:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-20 05:52:54,309 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 05:52:55,064 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 05:52:55,064 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-20 05:52:55,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:52:55 BoogieIcfgContainer [2020-10-20 05:52:55,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 05:52:55,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 05:52:55,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 05:52:55,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 05:52:55,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:52:52" (1/3) ... [2020-10-20 05:52:55,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf45e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:52:55, skipping insertion in model container [2020-10-20 05:52:55,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:53" (2/3) ... [2020-10-20 05:52:55,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf45e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:52:55, skipping insertion in model container [2020-10-20 05:52:55,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:52:55" (3/3) ... [2020-10-20 05:52:55,075 INFO L111 eAbstractionObserver]: Analyzing ICFG 20020406-1.i [2020-10-20 05:52:55,086 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 05:52:55,095 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 56 error locations. [2020-10-20 05:52:55,109 INFO L253 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2020-10-20 05:52:55,131 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 05:52:55,131 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 05:52:55,131 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 05:52:55,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 05:52:55,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 05:52:55,131 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 05:52:55,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 05:52:55,132 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 05:52:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-10-20 05:52:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 05:52:55,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:52:55,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:52:55,164 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, DUPFFnewErr3REQUIRES_VIOLATION, DUPFFnewErr8REQUIRES_VIOLATION, DUPFFnewErr2REQUIRES_VIOLATION, DUPFFnewErr4REQUIRES_VIOLATION, DUPFFnewErr9REQUIRES_VIOLATION, DUPFFnewErr0REQUIRES_VIOLATION, DUPFFnewErr11REQUIRES_VIOLATION, DUPFFnewErr5REQUIRES_VIOLATION, DUPFFnewErr10REQUIRES_VIOLATION, DUPFFnewErr7REQUIRES_VIOLATION, DUPFFnewErr1REQUIRES_VIOLATION, DUPFFnewErr6REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr22REQUIRES_VIOLATION, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr23REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFdegErr0REQUIRES_VIOLATION, DUPFFdegErr1REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr12ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:52:55,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:52:55,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1342130638, now seen corresponding path program 1 times [2020-10-20 05:52:55,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:52:55,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186804209] [2020-10-20 05:52:55,185 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 05:52:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:52:55,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 05:52:55,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:52:55,689 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 05:52:55,689 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:55,701 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:55,701 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:52:55,702 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 05:52:55,710 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 05:52:55,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:52:55,728 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 05:52:55,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186804209] [2020-10-20 05:52:55,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:52:55,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 05:52:55,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959846191] [2020-10-20 05:52:55,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 05:52:55,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:52:55,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 05:52:55,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 05:52:55,756 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 3 states. [2020-10-20 05:52:56,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:52:56,264 INFO L93 Difference]: Finished difference Result 188 states and 224 transitions. [2020-10-20 05:52:56,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 05:52:56,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-20 05:52:56,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:52:56,285 INFO L225 Difference]: With dead ends: 188 [2020-10-20 05:52:56,286 INFO L226 Difference]: Without dead ends: 185 [2020-10-20 05:52:56,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 05:52:56,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-20 05:52:56,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-20 05:52:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-20 05:52:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 221 transitions. [2020-10-20 05:52:56,360 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 221 transitions. Word has length 9 [2020-10-20 05:52:56,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:52:56,361 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 221 transitions. [2020-10-20 05:52:56,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 05:52:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 221 transitions. [2020-10-20 05:52:56,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 05:52:56,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:52:56,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:52:56,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 05:52:56,585 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, DUPFFnewErr3REQUIRES_VIOLATION, DUPFFnewErr8REQUIRES_VIOLATION, DUPFFnewErr2REQUIRES_VIOLATION, DUPFFnewErr4REQUIRES_VIOLATION, DUPFFnewErr9REQUIRES_VIOLATION, DUPFFnewErr0REQUIRES_VIOLATION, DUPFFnewErr11REQUIRES_VIOLATION, DUPFFnewErr5REQUIRES_VIOLATION, DUPFFnewErr10REQUIRES_VIOLATION, DUPFFnewErr7REQUIRES_VIOLATION, DUPFFnewErr1REQUIRES_VIOLATION, DUPFFnewErr6REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr22REQUIRES_VIOLATION, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr23REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFdegErr0REQUIRES_VIOLATION, DUPFFdegErr1REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr12ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:52:56,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:52:56,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1342130639, now seen corresponding path program 1 times [2020-10-20 05:52:56,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:52:56,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941314026] [2020-10-20 05:52:56,588 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 05:52:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:52:56,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 05:52:56,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:52:56,849 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 05:52:56,849 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:56,855 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:56,855 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:52:56,856 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 05:52:56,873 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 05:52:56,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:52:56,923 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 05:52:56,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941314026] [2020-10-20 05:52:56,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:52:56,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-20 05:52:56,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992606638] [2020-10-20 05:52:56,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 05:52:56,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:52:56,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 05:52:56,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 05:52:56,926 INFO L87 Difference]: Start difference. First operand 185 states and 221 transitions. Second operand 4 states. [2020-10-20 05:52:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:52:57,695 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-10-20 05:52:57,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 05:52:57,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-20 05:52:57,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:52:57,705 INFO L225 Difference]: With dead ends: 188 [2020-10-20 05:52:57,707 INFO L226 Difference]: Without dead ends: 188 [2020-10-20 05:52:57,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 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 05:52:57,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-20 05:52:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2020-10-20 05:52:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-20 05:52:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 221 transitions. [2020-10-20 05:52:57,739 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 221 transitions. Word has length 9 [2020-10-20 05:52:57,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:52:57,739 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 221 transitions. [2020-10-20 05:52:57,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 05:52:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 221 transitions. [2020-10-20 05:52:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 05:52:57,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:52:57,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:52:57,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 05:52:57,951 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, DUPFFnewErr3REQUIRES_VIOLATION, DUPFFnewErr8REQUIRES_VIOLATION, DUPFFnewErr2REQUIRES_VIOLATION, DUPFFnewErr4REQUIRES_VIOLATION, DUPFFnewErr9REQUIRES_VIOLATION, DUPFFnewErr0REQUIRES_VIOLATION, DUPFFnewErr11REQUIRES_VIOLATION, DUPFFnewErr5REQUIRES_VIOLATION, DUPFFnewErr10REQUIRES_VIOLATION, DUPFFnewErr7REQUIRES_VIOLATION, DUPFFnewErr1REQUIRES_VIOLATION, DUPFFnewErr6REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr22REQUIRES_VIOLATION, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr23REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFdegErr0REQUIRES_VIOLATION, DUPFFdegErr1REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr12ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:52:57,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:52:57,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1297354448, now seen corresponding path program 1 times [2020-10-20 05:52:57,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:52:57,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315332395] [2020-10-20 05:52:57,953 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 05:52:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:52:58,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 05:52:58,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:52:58,172 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 05:52:58,173 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:58,180 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:58,185 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 05:52:58,185 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:58,192 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:58,193 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:52:58,193 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-10-20 05:52:58,264 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:58,265 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 05:52:58,269 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 05:52:58,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315332395] [2020-10-20 05:52:58,270 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-20 05:52:58,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1112230536] [2020-10-20 05:52:58,271 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 05:52:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:52:58,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 05:52:58,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:52:58,693 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 05:52:58,693 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:58,701 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:58,705 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 05:52:58,705 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:58,713 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:58,713 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:52:58,713 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:11 [2020-10-20 05:52:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:52:58,781 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2020-10-20 05:52:58,783 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:58,817 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:58,834 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:58,834 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 05:52:58,836 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 05:52:58,837 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-20 05:52:58,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363761965] [2020-10-20 05:52:58,838 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 05:52:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:52:59,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 05:52:59,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:52:59,053 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 05:52:59,054 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:59,073 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:59,076 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 05:52:59,077 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:59,084 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:59,084 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:52:59,084 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-10-20 05:52:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 05:52:59,110 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2020-10-20 05:52:59,111 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:59,130 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:59,142 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:59,142 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 05:52:59,144 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 05:52:59,159 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:52:59,161 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:52:59,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:52:59,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 05:52:59,161 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 05:52:59,162 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 05:52:59,776 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 05:52:59,788 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 05:52:59,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:52:59 BoogieIcfgContainer [2020-10-20 05:52:59,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 05:52:59,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 05:52:59,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 05:52:59,789 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 05:52:59,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:52:55" (3/4) ... [2020-10-20 05:52:59,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 05:52:59,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 05:52:59,796 INFO L168 Benchmark]: Toolchain (without parser) took 7583.94 ms. Allocated memory was 45.1 MB in the beginning and 98.0 MB in the end (delta: 53.0 MB). Free memory was 23.2 MB in the beginning and 19.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 14.3 GB. [2020-10-20 05:52:59,797 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 33.0 MB. Free memory was 11.6 MB in the beginning and 11.5 MB in the end (delta: 73.7 kB). Peak memory consumption was 73.7 kB. Max. memory is 14.3 GB. [2020-10-20 05:52:59,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1151.09 ms. Allocated memory was 45.1 MB in the beginning and 53.0 MB in the end (delta: 7.9 MB). Free memory was 22.4 MB in the beginning and 29.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. [2020-10-20 05:52:59,800 INFO L168 Benchmark]: Boogie Preprocessor took 143.52 ms. Allocated memory is still 53.0 MB. Free memory was 29.9 MB in the beginning and 24.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. [2020-10-20 05:52:59,801 INFO L168 Benchmark]: RCFGBuilder took 1554.85 ms. Allocated memory was 53.0 MB in the beginning and 65.5 MB in the end (delta: 12.6 MB). Free memory was 24.1 MB in the beginning and 23.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 14.3 GB. [2020-10-20 05:52:59,801 INFO L168 Benchmark]: TraceAbstraction took 4720.71 ms. Allocated memory was 65.5 MB in the beginning and 98.0 MB in the end (delta: 32.5 MB). Free memory was 22.3 MB in the beginning and 19.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 14.3 GB. [2020-10-20 05:52:59,802 INFO L168 Benchmark]: Witness Printer took 4.33 ms. Allocated memory is still 98.0 MB. Free memory is still 19.8 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 05:52:59,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 33.0 MB. Free memory was 11.6 MB in the beginning and 11.5 MB in the end (delta: 73.7 kB). Peak memory consumption was 73.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1151.09 ms. Allocated memory was 45.1 MB in the beginning and 53.0 MB in the end (delta: 7.9 MB). Free memory was 22.4 MB in the beginning and 29.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 143.52 ms. Allocated memory is still 53.0 MB. Free memory was 29.9 MB in the beginning and 24.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1554.85 ms. Allocated memory was 53.0 MB in the beginning and 65.5 MB in the end (delta: 12.6 MB). Free memory was 24.1 MB in the beginning and 23.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 4720.71 ms. Allocated memory was 65.5 MB in the beginning and 98.0 MB in the end (delta: 32.5 MB). Free memory was 22.3 MB in the beginning and 19.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 14.3 GB. * Witness Printer took 4.33 ms. Allocated memory is still 98.0 MB. Free memory is still 19.8 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 897]: 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: [L966] DUPFF f, g, cf, cg, h; [L967] CALL DUPFFnew(1) [L894] DUPFF ans = (DUPFF)malloc(sizeof(struct DUPFFstruct)); [L895] ans->coeffs = 0 [L896] COND TRUE maxdeg >= 0 [L897] ans->coeffs = (FFelem*)malloc((maxdeg+1)*sizeof(FFelem)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 219 locations, 56 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 4.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 421 SDtfs, 32 SDslu, 453 SDs, 0 SdLazy, 194 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 5 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 8 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...