./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec 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_1.5.800.v20200727-1323.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/busybox-1.22.0/hostid.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 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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_1.5.800.v20200727-1323.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/busybox-1.22.0/hostid.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 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....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:19:44,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:44,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:44,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:44,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:44,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:44,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:44,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:44,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:44,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:44,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:44,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:44,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:44,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:44,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:44,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:44,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:44,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:44,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:44,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:44,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:44,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:44,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:44,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:44,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:44,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:44,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:44,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:44,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:44,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:44,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:44,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:44,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:44,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:44,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:44,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:44,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:44,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:44,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:44,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:44,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:44,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-08-27 08:19:44,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:44,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:44,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:44,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:44,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:44,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:44,550 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:44,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:44,550 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:44,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:44,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:44,551 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:44,552 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:44,552 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:44,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:44,552 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:44,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:44,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:44,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:44,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:44,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:44,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:44,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:44,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 08:19:44,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 08:19:44,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:44,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2021-08-27 08:19:44,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:44,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:44,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:44,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:44,864 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:44,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-08-27 08:19:44,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4260471c/82fbd8e908f3435296823ab60b45fb4d/FLAG68c37c1b5 [2021-08-27 08:19:45,391 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:19:45,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-08-27 08:19:45,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4260471c/82fbd8e908f3435296823ab60b45fb4d/FLAG68c37c1b5 [2021-08-27 08:19:45,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4260471c/82fbd8e908f3435296823ab60b45fb4d [2021-08-27 08:19:45,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:19:45,888 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:19:45,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:45,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:19:45,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:19:45,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:45" (1/1) ... [2021-08-27 08:19:45,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c54176c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:45, skipping insertion in model container [2021-08-27 08:19:45,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:45" (1/1) ... [2021-08-27 08:19:45,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:19:45,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:46,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 08:19:46,619 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) [2021-08-27 08:19:46,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@723e6e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:46, skipping insertion in model container [2021-08-27 08:19:46,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:46,620 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 08:19:46,622 INFO L168 Benchmark]: Toolchain (without parser) took 732.59 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.9 MB in the beginning and 29.2 MB in the end (delta: -4.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:46,623 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 44.0 MB. Free memory is still 26.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:19:46,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.08 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.7 MB in the beginning and 29.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:46,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 44.0 MB. Free memory is still 26.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 731.08 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.7 MB in the beginning and 29.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1774]: 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 0.2.1-dev-20ed64e [2021-08-27 08:19:48,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:48,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:48,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:48,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:48,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:48,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:48,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:48,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:48,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:48,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:48,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:48,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:48,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:48,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:48,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:48,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:48,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:48,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:48,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:48,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:48,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:48,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:48,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:48,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:48,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:48,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:48,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:48,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:48,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:48,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:48,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:48,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:48,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:48,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:48,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:48,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:48,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:48,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:48,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:48,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:48,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-08-27 08:19:48,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:48,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:48,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:48,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:48,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:48,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:48,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:48,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:48,694 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 08:19:48,694 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 08:19:48,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:48,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:48,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:48,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:48,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:48,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:48,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:48,694 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 08:19:48,695 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 08:19:48,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:48,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 08:19:48,695 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2021-08-27 08:19:48,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:48,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:48,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:48,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:48,977 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:48,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-08-27 08:19:49,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b88aa95a/627eb4e9482748a29d3e8dff9067e89d/FLAG291bcbd12 [2021-08-27 08:19:49,570 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:19:49,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-08-27 08:19:49,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b88aa95a/627eb4e9482748a29d3e8dff9067e89d/FLAG291bcbd12 [2021-08-27 08:19:50,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b88aa95a/627eb4e9482748a29d3e8dff9067e89d [2021-08-27 08:19:50,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:19:50,007 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:19:50,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:50,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:19:50,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:19:50,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:50" (1/1) ... [2021-08-27 08:19:50,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ffdd64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:50, skipping insertion in model container [2021-08-27 08:19:50,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:50" (1/1) ... [2021-08-27 08:19:50,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:19:50,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:50,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 08:19:50,779 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 08:19:50,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:50,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 08:19:50,845 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 08:19:50,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 08:19:51,014 INFO L208 MainTranslator]: Completed translation [2021-08-27 08:19:51,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51 WrapperNode [2021-08-27 08:19:51,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:51,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 08:19:51,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 08:19:51,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 08:19:51,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (1/1) ... [2021-08-27 08:19:51,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (1/1) ... [2021-08-27 08:19:51,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (1/1) ... [2021-08-27 08:19:51,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (1/1) ... [2021-08-27 08:19:51,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (1/1) ... [2021-08-27 08:19:51,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (1/1) ... [2021-08-27 08:19:51,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (1/1) ... [2021-08-27 08:19:51,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 08:19:51,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 08:19:51,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 08:19:51,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 08:19:51,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (1/1) ... [2021-08-27 08:19:51,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:51,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 08:19:51,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 08:19:51,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 08:19:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 08:19:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 08:19:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 08:19:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-08-27 08:19:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-08-27 08:19:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 08:19:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 08:19:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure gethostid [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2021-08-27 08:19:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-08-27 08:19:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2021-08-27 08:19:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure isctype [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2021-08-27 08:19:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2021-08-27 08:19:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2021-08-27 08:19:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2021-08-27 08:19:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2021-08-27 08:19:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2021-08-27 08:19:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2021-08-27 08:19:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2021-08-27 08:19:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2021-08-27 08:19:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2021-08-27 08:19:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2021-08-27 08:19:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_cookie_init [2021-08-27 08:19:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-08-27 08:19:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-08-27 08:19:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-08-27 08:19:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-08-27 08:19:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-08-27 08:19:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-08-27 08:19:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile64 [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-08-27 08:19:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure fcloseall [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure fopen64 [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure freopen64 [2021-08-27 08:19:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-08-27 08:19:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure fopencookie [2021-08-27 08:19:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-08-27 08:19:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-08-27 08:19:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-08-27 08:19:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-08-27 08:19:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-08-27 08:19:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-08-27 08:19:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-08-27 08:19:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-08-27 08:19:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-08-27 08:19:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-08-27 08:19:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-08-27 08:19:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-08-27 08:19:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-08-27 08:19:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-08-27 08:19:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2021-08-27 08:19:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure __asprintf [2021-08-27 08:19:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure asprintf [2021-08-27 08:19:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-08-27 08:19:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-08-27 08:19:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-08-27 08:19:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-08-27 08:19:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-08-27 08:19:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-08-27 08:19:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-08-27 08:19:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-08-27 08:19:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-08-27 08:19:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-08-27 08:19:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-08-27 08:19:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-08-27 08:19:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-08-27 08:19:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fgets_unlocked [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fputs_unlocked [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-08-27 08:19:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko64 [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ftello64 [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos64 [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos64 [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-08-27 08:19:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure cuserid [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure obstack_printf [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure obstack_vprintf [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure access [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure euidaccess [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure eaccess [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure lseek64 [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure close [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure read [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure write [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure pread64 [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite64 [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure pipe2 [2021-08-27 08:19:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure get_current_dir_name [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure dup3 [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2021-08-27 08:19:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure execvpe [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2021-08-27 08:19:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2021-08-27 08:19:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2021-08-27 08:19:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure group_member [2021-08-27 08:19:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2021-08-27 08:19:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2021-08-27 08:19:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2021-08-27 08:19:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2021-08-27 08:19:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2021-08-27 08:19:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2021-08-27 08:19:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure getresuid [2021-08-27 08:19:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure getresgid [2021-08-27 08:19:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure setresuid [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure setresgid [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure link [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2021-08-27 08:19:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure syncfs [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2021-08-27 08:19:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure truncate64 [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate64 [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure lockf64 [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure crypt [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure encrypt [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure swab [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 08:19:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtol_l [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul_l [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll_l [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull_l [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtod_l [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtof_l [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtold_l [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 08:19:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 08:19:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure secure_getenv [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp64 [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 08:19:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps64 [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemp [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemp64 [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemps [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemps64 [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure canonicalize_file_name [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure qsort_r [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 08:19:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure setkey [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure grantpt [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure unlockpt [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure ptsname [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure ptsname_r [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure getpt [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2021-08-27 08:19:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure futimesat [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure login [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 08:19:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure rawmemchr [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure memrchr [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strchrnul [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2021-08-27 08:19:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strcasestr [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure memmem [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure __mempcpy [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure mempcpy [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure index [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-08-27 08:19:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure strverscmp [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure strfry [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure memfrob [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure basename [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 08:19:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 08:19:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 08:19:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 08:19:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 08:19:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 08:19:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-27 08:19:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 08:19:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 08:19:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-08-27 08:19:52,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 08:19:52,592 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 08:19:52,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 08:19:52 BoogieIcfgContainer [2021-08-27 08:19:52,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 08:19:52,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 08:19:52,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 08:19:52,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 08:19:52,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 08:19:50" (1/3) ... [2021-08-27 08:19:52,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d8dd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 08:19:52, skipping insertion in model container [2021-08-27 08:19:52,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:51" (2/3) ... [2021-08-27 08:19:52,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d8dd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 08:19:52, skipping insertion in model container [2021-08-27 08:19:52,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 08:19:52" (3/3) ... [2021-08-27 08:19:52,598 INFO L111 eAbstractionObserver]: Analyzing ICFG hostid.i [2021-08-27 08:19:52,601 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 08:19:52,601 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2021-08-27 08:19:52,625 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 08:19:52,629 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-27 08:19:52,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2021-08-27 08:19:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 85 states have (on average 1.7058823529411764) internal successors, (145), 131 states have internal predecessors, (145), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-08-27 08:19:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-27 08:19:52,642 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:52,643 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:52,643 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:19:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:52,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1215657922, now seen corresponding path program 1 times [2021-08-27 08:19:52,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:52,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094197604] [2021-08-27 08:19:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:52,655 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:52,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:52,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:52,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 08:19:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:53,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 08:19:53,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:53,177 INFO L388 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 [2021-08-27 08:19:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:53,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:53,214 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:53,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094197604] [2021-08-27 08:19:53,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094197604] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:19:53,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:19:53,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 08:19:53,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769582009] [2021-08-27 08:19:53,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 08:19:53,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:53,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 08:19:53,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 08:19:53,229 INFO L87 Difference]: Start difference. First operand has 151 states, 85 states have (on average 1.7058823529411764) internal successors, (145), 131 states have internal predecessors, (145), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:53,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:53,374 INFO L93 Difference]: Finished difference Result 127 states and 132 transitions. [2021-08-27 08:19:53,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 08:19:53,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2021-08-27 08:19:53,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:53,381 INFO L225 Difference]: With dead ends: 127 [2021-08-27 08:19:53,381 INFO L226 Difference]: Without dead ends: 124 [2021-08-27 08:19:53,382 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 08:19:53,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-08-27 08:19:53,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2021-08-27 08:19:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 60 states have (on average 1.65) internal successors, (99), 95 states have internal predecessors, (99), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:19:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 112 transitions. [2021-08-27 08:19:53,407 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 112 transitions. Word has length 7 [2021-08-27 08:19:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:53,407 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 112 transitions. [2021-08-27 08:19:53,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2021-08-27 08:19:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-27 08:19:53,408 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:53,408 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:53,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:53,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:53,619 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:19:53,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:53,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1215657923, now seen corresponding path program 1 times [2021-08-27 08:19:53,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:53,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035944199] [2021-08-27 08:19:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:53,621 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:53,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:53,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:53,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 08:19:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:54,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-27 08:19:54,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:54,036 INFO L388 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 [2021-08-27 08:19:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:54,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:54,109 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:54,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035944199] [2021-08-27 08:19:54,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035944199] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:19:54,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:19:54,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-08-27 08:19:54,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672479437] [2021-08-27 08:19:54,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-27 08:19:54,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:54,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 08:19:54,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 08:19:54,112 INFO L87 Difference]: Start difference. First operand 108 states and 112 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:54,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:54,265 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2021-08-27 08:19:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 08:19:54,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2021-08-27 08:19:54,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:54,267 INFO L225 Difference]: With dead ends: 107 [2021-08-27 08:19:54,267 INFO L226 Difference]: Without dead ends: 107 [2021-08-27 08:19:54,267 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 08:19:54,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-08-27 08:19:54,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-08-27 08:19:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 94 states have internal predecessors, (98), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:19:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 111 transitions. [2021-08-27 08:19:54,272 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 111 transitions. Word has length 7 [2021-08-27 08:19:54,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:54,273 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 111 transitions. [2021-08-27 08:19:54,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2021-08-27 08:19:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-27 08:19:54,273 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:54,273 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:54,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:54,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:54,483 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr3REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:19:54,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:54,484 INFO L82 PathProgramCache]: Analyzing trace with hash 500942492, now seen corresponding path program 1 times [2021-08-27 08:19:54,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:54,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006718355] [2021-08-27 08:19:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:54,485 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:54,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:54,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 08:19:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:54,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 08:19:54,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:54,966 INFO L388 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 [2021-08-27 08:19:55,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:55,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:55,135 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:55,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006718355] [2021-08-27 08:19:55,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006718355] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:19:55,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:19:55,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-08-27 08:19:55,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676649024] [2021-08-27 08:19:55,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 08:19:55,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:55,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 08:19:55,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-27 08:19:55,137 INFO L87 Difference]: Start difference. First operand 107 states and 111 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:55,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:55,501 INFO L93 Difference]: Finished difference Result 116 states and 122 transitions. [2021-08-27 08:19:55,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 08:19:55,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-08-27 08:19:55,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:55,503 INFO L225 Difference]: With dead ends: 116 [2021-08-27 08:19:55,503 INFO L226 Difference]: Without dead ends: 116 [2021-08-27 08:19:55,503 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 82.9ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-08-27 08:19:55,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-08-27 08:19:55,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2021-08-27 08:19:55,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 100 states have internal predecessors, (105), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:19:55,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2021-08-27 08:19:55,510 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 10 [2021-08-27 08:19:55,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:55,510 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2021-08-27 08:19:55,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2021-08-27 08:19:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-27 08:19:55,510 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:55,510 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:55,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:55,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:55,721 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:19:55,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:55,721 INFO L82 PathProgramCache]: Analyzing trace with hash -291216350, now seen corresponding path program 1 times [2021-08-27 08:19:55,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:55,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272659614] [2021-08-27 08:19:55,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:55,722 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:55,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:55,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:55,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-27 08:19:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:56,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 08:19:56,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:56,146 INFO L388 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 [2021-08-27 08:19:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:56,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:56,788 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:56,789 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:56,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272659614] [2021-08-27 08:19:56,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272659614] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 08:19:56,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 08:19:56,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-27 08:19:56,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504789324] [2021-08-27 08:19:56,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 08:19:56,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:56,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 08:19:56,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-27 08:19:56,791 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:57,562 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2021-08-27 08:19:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 08:19:57,563 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-08-27 08:19:57,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:57,563 INFO L225 Difference]: With dead ends: 123 [2021-08-27 08:19:57,564 INFO L226 Difference]: Without dead ends: 123 [2021-08-27 08:19:57,564 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 424.6ms TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-08-27 08:19:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-08-27 08:19:57,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2021-08-27 08:19:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 110 states have internal predecessors, (114), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:19:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 127 transitions. [2021-08-27 08:19:57,569 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 127 transitions. Word has length 18 [2021-08-27 08:19:57,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:57,569 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 127 transitions. [2021-08-27 08:19:57,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2021-08-27 08:19:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-27 08:19:57,571 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:57,571 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:57,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:57,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:57,784 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr4REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:19:57,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:57,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1166518063, now seen corresponding path program 1 times [2021-08-27 08:19:57,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:57,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892857615] [2021-08-27 08:19:57,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:57,786 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:57,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:57,788 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:57,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-27 08:19:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:58,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 08:19:58,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:58,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:58,688 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:58,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892857615] [2021-08-27 08:19:58,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892857615] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 08:19:58,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 08:19:58,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-27 08:19:58,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249475343] [2021-08-27 08:19:58,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-27 08:19:58,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:58,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-27 08:19:58,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-08-27 08:19:58,690 INFO L87 Difference]: Start difference. First operand 123 states and 127 transitions. Second operand has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 08:19:58,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:58,926 INFO L93 Difference]: Finished difference Result 143 states and 147 transitions. [2021-08-27 08:19:58,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 08:19:58,928 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2021-08-27 08:19:58,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:58,929 INFO L225 Difference]: With dead ends: 143 [2021-08-27 08:19:58,929 INFO L226 Difference]: Without dead ends: 143 [2021-08-27 08:19:58,929 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 239.5ms TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2021-08-27 08:19:58,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-08-27 08:19:58,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2021-08-27 08:19:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 130 states have internal predecessors, (134), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:19:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2021-08-27 08:19:58,937 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 37 [2021-08-27 08:19:58,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:58,937 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2021-08-27 08:19:58,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 08:19:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2021-08-27 08:19:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-27 08:19:58,941 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:58,941 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:58,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:59,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:59,151 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr4REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:19:59,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:59,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1328968896, now seen corresponding path program 2 times [2021-08-27 08:19:59,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:59,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036744907] [2021-08-27 08:19:59,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 08:19:59,153 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:59,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:59,154 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:59,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-27 08:19:59,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-27 08:19:59,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 08:19:59,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 08:19:59,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:59,760 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 08:19:59,761 INFO L388 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 1 case distinctions, treesize of input 9 treesize of output 14 [2021-08-27 08:19:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:19:59,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:19:59,932 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:59,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036744907] [2021-08-27 08:19:59,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036744907] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:19:59,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:19:59,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 08:19:59,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335528817] [2021-08-27 08:19:59,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 08:19:59,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:59,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 08:19:59,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 08:19:59,935 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:20:00,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:20:00,064 INFO L93 Difference]: Finished difference Result 154 states and 159 transitions. [2021-08-27 08:20:00,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 08:20:00,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-08-27 08:20:00,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:20:00,065 INFO L225 Difference]: With dead ends: 154 [2021-08-27 08:20:00,065 INFO L226 Difference]: Without dead ends: 154 [2021-08-27 08:20:00,066 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 08:20:00,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-08-27 08:20:00,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 138. [2021-08-27 08:20:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 97 states have (on average 1.3298969072164948) internal successors, (129), 125 states have internal predecessors, (129), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:20:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2021-08-27 08:20:00,069 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 57 [2021-08-27 08:20:00,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:20:00,070 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2021-08-27 08:20:00,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:20:00,070 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2021-08-27 08:20:00,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-27 08:20:00,070 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:20:00,070 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:20:00,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-27 08:20:00,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:20:00,285 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr5REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:20:00,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:20:00,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1328968895, now seen corresponding path program 1 times [2021-08-27 08:20:00,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:20:00,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838756282] [2021-08-27 08:20:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:20:00,286 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:20:00,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:20:00,287 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:20:00,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-08-27 08:20:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:20:00,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 08:20:00,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:20:01,281 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-08-27 08:20:01,282 INFO L388 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 1 case distinctions, treesize of input 28 treesize of output 29 [2021-08-27 08:20:01,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-08-27 08:20:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:01,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:20:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:01,785 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:20:01,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838756282] [2021-08-27 08:20:01,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838756282] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:20:01,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:20:01,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-27 08:20:01,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646412918] [2021-08-27 08:20:01,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 08:20:01,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:20:01,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 08:20:01,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-27 08:20:01,786 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 08:20:02,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:20:02,404 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2021-08-27 08:20:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 08:20:02,404 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 57 [2021-08-27 08:20:02,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:20:02,405 INFO L225 Difference]: With dead ends: 170 [2021-08-27 08:20:02,405 INFO L226 Difference]: Without dead ends: 170 [2021-08-27 08:20:02,406 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 191.5ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-27 08:20:02,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-08-27 08:20:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 150. [2021-08-27 08:20:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 136 states have internal predecessors, (150), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-08-27 08:20:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 165 transitions. [2021-08-27 08:20:02,410 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 165 transitions. Word has length 57 [2021-08-27 08:20:02,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:20:02,410 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 165 transitions. [2021-08-27 08:20:02,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 08:20:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 165 transitions. [2021-08-27 08:20:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-08-27 08:20:02,411 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:20:02,411 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:20:02,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-08-27 08:20:02,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:20:02,612 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr7REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:20:02,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:20:02,612 INFO L82 PathProgramCache]: Analyzing trace with hash -303794314, now seen corresponding path program 1 times [2021-08-27 08:20:02,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:20:02,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214595817] [2021-08-27 08:20:02,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:20:02,614 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:20:02,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:20:02,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:20:02,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-08-27 08:20:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:20:03,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 08:20:03,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:20:03,480 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-08-27 08:20:03,480 INFO L388 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 1 case distinctions, treesize of input 33 treesize of output 34 [2021-08-27 08:20:03,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2021-08-27 08:20:03,903 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-08-27 08:20:03,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 62 [2021-08-27 08:20:03,913 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-27 08:20:03,913 INFO L388 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 56 treesize of output 52 [2021-08-27 08:20:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:04,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:20:08,683 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc126.base_4| (_ BitVec 32))) (or (let ((.cse0 (bvadd (_ bv8 32) c_main_~argv~0.offset))) (and (bvule c_main_~argv~0.offset .cse0) (bvule .cse0 (select (store |c_#length| |v_main_#t~malloc126.base_4| (_ bv11 32)) c_main_~argv~0.base)))) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_main_#t~malloc126.base_4|))))))) is different from false [2021-08-27 08:20:08,709 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-27 08:20:08,709 INFO L388 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 35 treesize of output 34 [2021-08-27 08:20:09,273 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:09,274 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:20:09,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214595817] [2021-08-27 08:20:09,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214595817] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:20:09,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:20:09,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-08-27 08:20:09,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693945563] [2021-08-27 08:20:09,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-27 08:20:09,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:20:09,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-27 08:20:09,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=143, Unknown=2, NotChecked=24, Total=210 [2021-08-27 08:20:09,276 INFO L87 Difference]: Start difference. First operand 150 states and 165 transitions. Second operand has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 13 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 08:20:16,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:20:16,869 INFO L93 Difference]: Finished difference Result 189 states and 196 transitions. [2021-08-27 08:20:16,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 08:20:16,869 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 13 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 60 [2021-08-27 08:20:16,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:20:16,871 INFO L225 Difference]: With dead ends: 189 [2021-08-27 08:20:16,871 INFO L226 Difference]: Without dead ends: 189 [2021-08-27 08:20:16,871 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 9967.1ms TimeCoverageRelationStatistics Valid=88, Invalid=294, Unknown=2, NotChecked=36, Total=420 [2021-08-27 08:20:16,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-08-27 08:20:16,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 136. [2021-08-27 08:20:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 123 states have internal predecessors, (127), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:20:16,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2021-08-27 08:20:16,877 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60 [2021-08-27 08:20:16,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:20:16,877 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2021-08-27 08:20:16,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 13 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 08:20:16,877 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2021-08-27 08:20:16,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-08-27 08:20:16,878 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:20:16,878 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:20:16,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-08-27 08:20:17,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:20:17,080 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr10REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:20:17,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:20:17,080 INFO L82 PathProgramCache]: Analyzing trace with hash -840281906, now seen corresponding path program 1 times [2021-08-27 08:20:17,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:20:17,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426148596] [2021-08-27 08:20:17,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:20:17,081 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:20:17,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:20:17,089 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:20:17,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-08-27 08:20:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:20:17,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-27 08:20:17,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:20:18,142 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 08:20:18,142 INFO L388 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 1 case distinctions, treesize of input 9 treesize of output 14 [2021-08-27 08:20:18,198 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 08:20:18,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-08-27 08:20:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:18,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:20:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:18,395 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:20:18,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426148596] [2021-08-27 08:20:18,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426148596] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:20:18,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:20:18,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 08:20:18,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877219553] [2021-08-27 08:20:18,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 08:20:18,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:20:18,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 08:20:18,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 08:20:18,397 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:20:18,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:20:18,538 INFO L93 Difference]: Finished difference Result 143 states and 148 transitions. [2021-08-27 08:20:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 08:20:18,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2021-08-27 08:20:18,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:20:18,539 INFO L225 Difference]: With dead ends: 143 [2021-08-27 08:20:18,539 INFO L226 Difference]: Without dead ends: 143 [2021-08-27 08:20:18,539 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 53.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 08:20:18,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-08-27 08:20:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 140. [2021-08-27 08:20:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 127 states have internal predecessors, (135), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:20:18,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 148 transitions. [2021-08-27 08:20:18,544 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 148 transitions. Word has length 63 [2021-08-27 08:20:18,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:20:18,544 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 148 transitions. [2021-08-27 08:20:18,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:20:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2021-08-27 08:20:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-08-27 08:20:18,545 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:20:18,545 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:20:18,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-08-27 08:20:18,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:20:18,758 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr11REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:20:18,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:20:18,759 INFO L82 PathProgramCache]: Analyzing trace with hash -840281905, now seen corresponding path program 1 times [2021-08-27 08:20:18,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:20:18,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879647598] [2021-08-27 08:20:18,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:20:18,760 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:20:18,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:20:18,761 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:20:18,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-08-27 08:20:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:20:19,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 08:20:19,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:20:19,830 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-08-27 08:20:19,831 INFO L388 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 1 case distinctions, treesize of input 33 treesize of output 34 [2021-08-27 08:20:19,856 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 08:20:19,856 INFO L388 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 1 case distinctions, treesize of input 34 treesize of output 38 [2021-08-27 08:20:20,301 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-08-27 08:20:20,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 62 [2021-08-27 08:20:20,310 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-08-27 08:20:20,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 50 [2021-08-27 08:20:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:20,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:20:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:25,984 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:20:25,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879647598] [2021-08-27 08:20:25,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879647598] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:20:25,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:20:25,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-08-27 08:20:25,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473379169] [2021-08-27 08:20:25,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-27 08:20:25,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:20:25,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-27 08:20:25,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=121, Unknown=1, NotChecked=0, Total=156 [2021-08-27 08:20:25,986 INFO L87 Difference]: Start difference. First operand 140 states and 148 transitions. Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 08:20:44,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:20:44,018 INFO L93 Difference]: Finished difference Result 259 states and 270 transitions. [2021-08-27 08:20:44,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-27 08:20:44,019 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 63 [2021-08-27 08:20:44,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:20:44,020 INFO L225 Difference]: With dead ends: 259 [2021-08-27 08:20:44,020 INFO L226 Difference]: Without dead ends: 259 [2021-08-27 08:20:44,020 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 15834.2ms TimeCoverageRelationStatistics Valid=130, Invalid=375, Unknown=1, NotChecked=0, Total=506 [2021-08-27 08:20:44,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-08-27 08:20:44,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 158. [2021-08-27 08:20:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 145 states have internal predecessors, (159), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:20:44,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 172 transitions. [2021-08-27 08:20:44,023 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 172 transitions. Word has length 63 [2021-08-27 08:20:44,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:20:44,024 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 172 transitions. [2021-08-27 08:20:44,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 08:20:44,024 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 172 transitions. [2021-08-27 08:20:44,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-08-27 08:20:44,024 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:20:44,024 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:20:44,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-08-27 08:20:44,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:20:44,225 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr14REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:20:44,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:20:44,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1768790020, now seen corresponding path program 1 times [2021-08-27 08:20:44,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:20:44,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571953795] [2021-08-27 08:20:44,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:20:44,226 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:20:44,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:20:44,227 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:20:44,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-08-27 08:20:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:20:44,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 08:20:44,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:20:45,135 INFO L388 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 [2021-08-27 08:20:45,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 20 [2021-08-27 08:20:45,278 INFO L354 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2021-08-27 08:20:45,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2021-08-27 08:20:45,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-08-27 08:20:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:45,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:20:47,422 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.base (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse0 (bvmul c_main_~i~4 (_ bv8 32)))) (select (select (store |c_#memory_$Pointer$.base| main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| main_~mem_track~0.base) (bvadd .cse0 c_main_~mem_track~0.offset) |c_main_#t~mem127.base|)) c_main_~argv~0.base) (bvadd .cse0 c_main_~argv~0.offset))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:20:49,440 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.base (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse0 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse1 (bvadd .cse0 c_main_~argv~0.offset))) (select (select (store |c_#memory_$Pointer$.base| main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| main_~mem_track~0.base) (bvadd .cse0 c_main_~mem_track~0.offset) (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse1))) c_main_~argv~0.base) .cse1)))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:20:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:20:49,596 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:20:49,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571953795] [2021-08-27 08:20:49,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571953795] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:20:49,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:20:49,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2021-08-27 08:20:49,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707372512] [2021-08-27 08:20:49,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 08:20:49,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:20:49,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 08:20:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=65, Unknown=2, NotChecked=34, Total=132 [2021-08-27 08:20:49,599 INFO L87 Difference]: Start difference. First operand 158 states and 172 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:20:57,847 WARN L207 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-08-27 08:21:12,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:21:12,200 INFO L93 Difference]: Finished difference Result 155 states and 168 transitions. [2021-08-27 08:21:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 08:21:12,201 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 66 [2021-08-27 08:21:12,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:21:12,202 INFO L225 Difference]: With dead ends: 155 [2021-08-27 08:21:12,202 INFO L226 Difference]: Without dead ends: 155 [2021-08-27 08:21:12,202 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 121 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 20399.4ms TimeCoverageRelationStatistics Valid=51, Invalid=108, Unknown=5, NotChecked=46, Total=210 [2021-08-27 08:21:12,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-08-27 08:21:12,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-08-27 08:21:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 142 states have internal predecessors, (155), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:21:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 168 transitions. [2021-08-27 08:21:12,205 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 168 transitions. Word has length 66 [2021-08-27 08:21:12,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:21:12,205 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 168 transitions. [2021-08-27 08:21:12,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:21:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 168 transitions. [2021-08-27 08:21:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-08-27 08:21:12,206 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:21:12,206 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:21:12,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-08-27 08:21:12,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:21:12,413 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr15REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:21:12,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:21:12,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1768790019, now seen corresponding path program 1 times [2021-08-27 08:21:12,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:21:12,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545401967] [2021-08-27 08:21:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:21:12,414 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:21:12,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:21:12,416 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:21:12,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-08-27 08:21:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:21:13,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 08:21:13,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:21:13,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-08-27 08:21:13,344 INFO L388 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 [2021-08-27 08:21:13,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-27 08:21:13,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-08-27 08:21:13,486 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:21:13,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 58 [2021-08-27 08:21:13,504 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:21:13,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2021-08-27 08:21:13,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-08-27 08:21:13,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2021-08-27 08:21:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:21:13,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:21:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:21:19,561 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:21:19,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545401967] [2021-08-27 08:21:19,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545401967] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:21:19,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:21:19,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-08-27 08:21:19,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134606595] [2021-08-27 08:21:19,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-27 08:21:19,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:21:19,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-27 08:21:19,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=80, Unknown=1, NotChecked=0, Total=110 [2021-08-27 08:21:19,563 INFO L87 Difference]: Start difference. First operand 155 states and 168 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:21:20,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:21:20,057 INFO L93 Difference]: Finished difference Result 154 states and 166 transitions. [2021-08-27 08:21:20,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 08:21:20,058 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 66 [2021-08-27 08:21:20,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:21:20,059 INFO L225 Difference]: With dead ends: 154 [2021-08-27 08:21:20,059 INFO L226 Difference]: Without dead ends: 154 [2021-08-27 08:21:20,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5517.8ms TimeCoverageRelationStatistics Valid=53, Invalid=128, Unknown=1, NotChecked=0, Total=182 [2021-08-27 08:21:20,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-08-27 08:21:20,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-08-27 08:21:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 122 states have (on average 1.2540983606557377) internal successors, (153), 141 states have internal predecessors, (153), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:21:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 166 transitions. [2021-08-27 08:21:20,063 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 166 transitions. Word has length 66 [2021-08-27 08:21:20,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:21:20,064 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 166 transitions. [2021-08-27 08:21:20,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:21:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2021-08-27 08:21:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-08-27 08:21:20,064 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:21:20,064 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:21:20,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-08-27 08:21:20,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:21:20,265 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr18REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:21:20,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:21:20,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1224029017, now seen corresponding path program 1 times [2021-08-27 08:21:20,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:21:20,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297121780] [2021-08-27 08:21:20,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:21:20,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:21:20,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:21:20,267 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:21:20,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-08-27 08:21:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:21:21,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 08:21:21,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:21:21,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-08-27 08:21:21,329 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-08-27 08:21:21,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-08-27 08:21:21,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-08-27 08:21:21,471 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:21:21,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2021-08-27 08:21:21,586 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:21:21,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 43 [2021-08-27 08:21:21,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 29 [2021-08-27 08:21:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:21:21,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:21:31,969 WARN L838 $PredicateComparison]: unable to prove that (forall ((|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse1 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse1))) (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1))) c_main_~argv~0.base) .cse1)))))))))) is different from false [2021-08-27 08:21:33,993 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.offset (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse3 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse3 c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse3 main_~mem_track~0.offset) |main_#t~mem127.base|)))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1)))) c_main_~argv~0.base) .cse2)))))))) (_ bv1 1)))) is different from false [2021-08-27 08:21:46,685 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:21:46,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297121780] [2021-08-27 08:21:46,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 08:21:46,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1114730778] [2021-08-27 08:21:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:21:46,686 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 08:21:46,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 08:21:46,687 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 08:21:46,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-08-27 08:21:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:21:48,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-27 08:21:48,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:21:48,370 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 08:21:48,371 INFO L388 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 20 treesize of output 20 [2021-08-27 08:21:48,606 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-08-27 08:21:48,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-08-27 08:21:48,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-08-27 08:21:48,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 08:21:49,006 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-08-27 08:21:49,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 38 [2021-08-27 08:21:49,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 08:21:49,604 INFO L354 Elim1Store]: treesize reduction 82, result has 28.7 percent of original size [2021-08-27 08:21:49,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 71 [2021-08-27 08:21:49,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-08-27 08:21:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-08-27 08:21:49,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:21:59,939 WARN L838 $PredicateComparison]: unable to prove that (forall ((|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse3 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse3 c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse3 c_main_~mem_track~0.offset) |c_main_#t~mem127.base|)))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1)))) c_main_~argv~0.base) .cse2))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:22:01,960 WARN L838 $PredicateComparison]: unable to prove that (forall ((|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse3 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse3 c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse3 c_main_~mem_track~0.offset) (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1)))) c_main_~argv~0.base) .cse2)))))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:22:06,150 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:22:06,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1114730778] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:22:06,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:22:06,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 20 [2021-08-27 08:22:06,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991072131] [2021-08-27 08:22:06,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-27 08:22:06,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:22:06,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-27 08:22:06,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=493, Unknown=11, NotChecked=204, Total=870 [2021-08-27 08:22:06,153 INFO L87 Difference]: Start difference. First operand 154 states and 166 transitions. Second operand has 21 states, 20 states have (on average 2.6) internal successors, (52), 21 states have internal predecessors, (52), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 08:22:43,507 WARN L207 SmtUtils]: Spent 16.28 s on a formula simplification that was a NOOP. DAG size: 85 [2021-08-27 08:22:45,582 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| c_main_~argv~0.base))) (_ bv1 1))) (not (= c_main_~argv~0.base c_main_~mem_track~0.base)) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))))) (_ bv1 1))) (= c_main_~argv~0.offset (_ bv0 32)) (forall ((|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse3 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse3 c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse3 c_main_~mem_track~0.offset) (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1)))) c_main_~argv~0.base) .cse2)))))))))))) (_ bv1 1)))) (= c_main_~mem_track~0.offset (_ bv0 32))) is different from false [2021-08-27 08:23:49,569 WARN L207 SmtUtils]: Spent 24.38 s on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2021-08-27 08:24:39,079 WARN L207 SmtUtils]: Spent 10.55 s on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2021-08-27 08:24:43,112 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))))) (_ bv1 1))) (forall ((|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse3 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse3 c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse3 c_main_~mem_track~0.offset) |c_main_#t~mem127.base|)))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1)))) c_main_~argv~0.base) .cse2))))))))) (_ bv1 1)))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| c_main_~argv~0.base)))) (forall ((v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| c_main_~argv~0.base (_ bv1 1)) v_DerPreprocessor_1)))))))))) (_ bv1 1)))))) is different from false [2021-08-27 08:24:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:24:46,995 INFO L93 Difference]: Finished difference Result 244 states and 258 transitions. [2021-08-27 08:24:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-27 08:24:46,996 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.6) internal successors, (52), 21 states have internal predecessors, (52), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 70 [2021-08-27 08:24:46,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:24:46,997 INFO L225 Difference]: With dead ends: 244 [2021-08-27 08:24:46,997 INFO L226 Difference]: Without dead ends: 244 [2021-08-27 08:24:46,997 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 192 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 166437.3ms TimeCoverageRelationStatistics Valid=402, Invalid=1305, Unknown=39, NotChecked=510, Total=2256 [2021-08-27 08:24:46,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-08-27 08:24:47,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 179. [2021-08-27 08:24:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 146 states have (on average 1.2808219178082192) internal successors, (187), 165 states have internal predecessors, (187), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-08-27 08:24:47,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 202 transitions. [2021-08-27 08:24:47,001 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 202 transitions. Word has length 70 [2021-08-27 08:24:47,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:24:47,001 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 202 transitions. [2021-08-27 08:24:47,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 2.6) internal successors, (52), 21 states have internal predecessors, (52), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 08:24:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 202 transitions. [2021-08-27 08:24:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-08-27 08:24:47,001 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:24:47,002 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:24:47,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-08-27 08:24:47,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-08-27 08:24:47,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:24:47,402 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr19REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:24:47,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:24:47,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1224029016, now seen corresponding path program 1 times [2021-08-27 08:24:47,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:24:47,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865410698] [2021-08-27 08:24:47,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:24:47,403 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:24:47,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:24:47,408 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:24:47,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-08-27 08:24:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:24:48,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 08:24:48,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:24:48,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-08-27 08:24:48,485 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 08:24:48,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-08-27 08:24:48,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-27 08:24:48,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-27 08:24:48,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-08-27 08:24:48,668 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:24:48,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 62 [2021-08-27 08:24:48,690 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:24:48,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 55 [2021-08-27 08:24:48,814 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:24:48,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-08-27 08:24:48,832 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-08-27 08:24:48,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-08-27 08:24:48,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-08-27 08:24:48,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-08-27 08:24:48,947 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:24:48,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:24:51,281 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem128.base|) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_4)) c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset)))) (bvule .cse0 (bvadd .cse0 (_ bv1 32))))) (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32))) (let ((.cse1 (bvadd |main_#t~mem128.offset| (_ bv10 32))) (.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem128.base|) .cse1 v_DerPreprocessor_4)) c_main_~argv~0.base) .cse2) (_ bv1 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem128.base|) .cse1 v_DerPreprocessor_3)) c_main_~argv~0.base) .cse2)))))) is different from false [2021-08-27 08:24:53,320 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32))) (let ((.cse0 (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.offset| .cse1 (store (select |c_#memory_$Pointer$.offset| .cse1) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_4))) c_main_~argv~0.base) .cse2)))) (bvule .cse0 (bvadd .cse0 (_ bv1 32))))) (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32))) (let ((.cse5 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse5)) (.cse4 (bvadd |main_#t~mem128.offset| (_ bv10 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) .cse4 v_DerPreprocessor_4)) c_main_~argv~0.base) .cse5) (_ bv1 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) .cse4 v_DerPreprocessor_3)) c_main_~argv~0.base) .cse5))))))) is different from false [2021-08-27 08:24:55,424 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (main_~mem_track~0.offset (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (|main_#t~mem127.offset| (_ BitVec 32))) (let ((.cse0 (let ((.cse5 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse4 (bvadd .cse5 c_main_~argv~0.offset))) (select (select (let ((.cse3 (bvadd .cse5 main_~mem_track~0.offset))) (let ((.cse1 (store |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base) .cse3 |main_#t~mem127.offset|))) (.cse2 (select (select (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) .cse3 |main_#t~mem127.base|)) c_main_~argv~0.base) .cse4))) (store .cse1 .cse2 (store (select .cse1 .cse2) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_4)))) c_main_~argv~0.base) .cse4))))) (bvule .cse0 (bvadd .cse0 (_ bv1 32))))) (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (main_~mem_track~0.offset (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (|main_#t~mem127.offset| (_ BitVec 32))) (let ((.cse12 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse9 (bvadd .cse12 main_~mem_track~0.offset))) (let ((.cse11 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) .cse9 |main_#t~mem127.base|))) (.cse10 (bvadd .cse12 c_main_~argv~0.offset))) (let ((.cse7 (select (select .cse11 c_main_~argv~0.base) .cse10)) (.cse8 (bvadd |main_#t~mem128.offset| (_ bv10 32)))) (bvule (bvadd (select (select (let ((.cse6 (store |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base) .cse9 |main_#t~mem127.offset|)))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 v_DerPreprocessor_4))) c_main_~argv~0.base) .cse10) (_ bv1 32)) (select |c_#length| (select (select (store .cse11 .cse7 (store (select .cse11 .cse7) .cse8 v_DerPreprocessor_3)) c_main_~argv~0.base) .cse10))))))))) is different from false [2021-08-27 08:27:48,567 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-27 08:27:48,568 INFO L388 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 26 treesize of output 25 [2021-08-27 08:27:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:27:48,665 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:27:48,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865410698] [2021-08-27 08:27:48,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865410698] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:27:48,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:27:48,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 10] imperfect sequences [] total 17 [2021-08-27 08:27:48,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172227899] [2021-08-27 08:27:48,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-27 08:27:48,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:27:48,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-27 08:27:48,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=171, Unknown=3, NotChecked=84, Total=306 [2021-08-27 08:27:48,667 INFO L87 Difference]: Start difference. First operand 179 states and 202 transitions. Second operand has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:27:57,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:27:57,111 INFO L93 Difference]: Finished difference Result 183 states and 197 transitions. [2021-08-27 08:27:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 08:27:57,112 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 70 [2021-08-27 08:27:57,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:27:57,113 INFO L225 Difference]: With dead ends: 183 [2021-08-27 08:27:57,113 INFO L226 Difference]: Without dead ends: 183 [2021-08-27 08:27:57,113 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 14133.1ms TimeCoverageRelationStatistics Valid=126, Invalid=389, Unknown=3, NotChecked=132, Total=650 [2021-08-27 08:27:57,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-08-27 08:27:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 163. [2021-08-27 08:27:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 131 states have (on average 1.2442748091603053) internal successors, (163), 150 states have internal predecessors, (163), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:27:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 176 transitions. [2021-08-27 08:27:57,116 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 176 transitions. Word has length 70 [2021-08-27 08:27:57,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:27:57,116 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 176 transitions. [2021-08-27 08:27:57,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 08:27:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 176 transitions. [2021-08-27 08:27:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-08-27 08:27:57,117 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:27:57,117 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:27:57,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-08-27 08:27:57,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:27:57,324 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr18REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:27:57,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:27:57,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1578699408, now seen corresponding path program 1 times [2021-08-27 08:27:57,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:27:57,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764530242] [2021-08-27 08:27:57,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:27:57,325 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:27:57,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:27:57,326 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:27:57,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-08-27 08:27:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:27:58,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 08:27:58,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:27:58,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-08-27 08:27:58,639 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-08-27 08:27:58,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2021-08-27 08:27:58,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-08-27 08:27:58,771 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:27:58,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 41 [2021-08-27 08:27:58,873 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:27:58,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2021-08-27 08:27:58,993 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:27:58,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 45 [2021-08-27 08:27:59,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 32 [2021-08-27 08:27:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-08-27 08:27:59,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:28:07,345 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse1 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse1))) (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5))) c_main_~argv~0.base) .cse1))))))))))) is different from false [2021-08-27 08:28:09,395 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem128.base|) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_6)))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:28:11,425 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_6))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:28:13,467 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (main_~mem_track~0.offset (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse5 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse5 c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse5 main_~mem_track~0.offset) |main_#t~mem127.base|)))) (let ((.cse4 (select (select .cse3 c_main_~argv~0.base) .cse2))) (store .cse3 .cse4 (store (select .cse3 .cse4) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_6)))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2))))))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:29:26,577 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:29:26,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764530242] [2021-08-27 08:29:26,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 08:29:26,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1755786604] [2021-08-27 08:29:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:29:26,577 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 08:29:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 08:29:26,579 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 08:29:26,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-08-27 08:29:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:29:28,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-27 08:29:28,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:29:28,607 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 08:29:28,607 INFO L388 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 23 treesize of output 23 [2021-08-27 08:29:28,790 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-08-27 08:29:28,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2021-08-27 08:29:28,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-08-27 08:29:29,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 08:29:29,100 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-08-27 08:29:29,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 41 [2021-08-27 08:29:29,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 08:29:29,565 INFO L354 Elim1Store]: treesize reduction 82, result has 28.7 percent of original size [2021-08-27 08:29:29,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 76 [2021-08-27 08:29:29,826 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:29:29,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 49 [2021-08-27 08:29:29,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2021-08-27 08:29:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-08-27 08:29:30,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:29:36,226 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem128.base|) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_8)))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2)))))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:29:38,251 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_8))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2)))))))))))))))) is different from false [2021-08-27 08:29:40,286 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse5 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse5 c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse5 c_main_~mem_track~0.offset) |c_main_#t~mem127.base|)))) (let ((.cse4 (select (select .cse3 c_main_~argv~0.base) .cse2))) (store .cse3 .cse4 (store (select .cse3 .cse4) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_8)))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2))))))))))))))) (_ bv1 1)))) is different from false [2021-08-27 08:29:42,314 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse5 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse5 c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse5 c_main_~mem_track~0.offset) (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))))) (let ((.cse4 (select (select .cse3 c_main_~argv~0.base) .cse2))) (store .cse3 .cse4 (store (select .cse3 .cse4) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_8)))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2))))))))))))))))))))) is different from false [2021-08-27 08:29:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 2 not checked. [2021-08-27 08:29:45,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1755786604] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 08:29:45,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 08:29:45,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 23 [2021-08-27 08:29:45,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567978152] [2021-08-27 08:29:45,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-27 08:29:45,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:29:45,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-27 08:29:45,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=589, Unknown=11, NotChecked=472, Total=1260 [2021-08-27 08:29:45,986 INFO L87 Difference]: Start difference. First operand 163 states and 176 transitions. Second operand has 24 states, 23 states have (on average 2.652173913043478) internal successors, (61), 24 states have internal predecessors, (61), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 08:30:14,930 WARN L207 SmtUtils]: Spent 14.55 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-08-27 08:30:35,552 WARN L207 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-08-27 08:30:37,620 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| c_main_~argv~0.base))) (_ bv1 1))) (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse5 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse5 c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse5 c_main_~mem_track~0.offset) |c_main_#t~mem127.base|)))) (let ((.cse4 (select (select .cse3 c_main_~argv~0.base) .cse2))) (store .cse3 .cse4 (store (select .cse3 .cse4) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_8)))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2))))))))))))))) (_ bv1 1)))) (not (= c_main_~argv~0.base c_main_~mem_track~0.base)) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))))) (_ bv1 1))) (= c_main_~argv~0.offset (_ bv0 32)) (= c_main_~mem_track~0.offset (_ bv0 32))) is different from false [2021-08-27 08:30:55,454 WARN L207 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 48 [2021-08-27 08:31:37,666 WARN L207 SmtUtils]: Spent 10.05 s on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2021-08-27 08:32:33,158 WARN L207 SmtUtils]: Spent 12.56 s on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-08-27 08:32:35,222 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse5 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse5 c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse5 c_main_~mem_track~0.offset) |c_main_#t~mem127.base|)))) (let ((.cse4 (select (select .cse3 c_main_~argv~0.base) .cse2))) (store .cse3 .cse4 (store (select .cse3 .cse4) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_8)))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_5)))) c_main_~argv~0.base) .cse2))))))))))))))) (_ bv1 1)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))))) (_ bv1 1))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| c_main_~argv~0.base)))) (forall ((v_DerPreprocessor_5 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| c_main_~argv~0.base (_ bv1 1)) v_DerPreprocessor_5))))))))))))))) (_ bv1 1)))))) is different from false [2021-08-27 08:32:39,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:32:39,006 INFO L93 Difference]: Finished difference Result 251 states and 265 transitions. [2021-08-27 08:32:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-27 08:32:39,007 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.652173913043478) internal successors, (61), 24 states have internal predecessors, (61), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 75 [2021-08-27 08:32:39,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:32:39,008 INFO L225 Difference]: With dead ends: 251 [2021-08-27 08:32:39,008 INFO L226 Difference]: Without dead ends: 251 [2021-08-27 08:32:39,009 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 202 SyntacticMatches, 8 SemanticMatches, 51 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 179951.6ms TimeCoverageRelationStatistics Valid=416, Invalid=1381, Unknown=49, NotChecked=910, Total=2756 [2021-08-27 08:32:39,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-08-27 08:32:39,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 181. [2021-08-27 08:32:39,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 149 states have (on average 1.2416107382550337) internal successors, (185), 168 states have internal predecessors, (185), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 08:32:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 198 transitions. [2021-08-27 08:32:39,012 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 198 transitions. Word has length 75 [2021-08-27 08:32:39,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:32:39,012 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 198 transitions. [2021-08-27 08:32:39,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.652173913043478) internal successors, (61), 24 states have internal predecessors, (61), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 08:32:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 198 transitions. [2021-08-27 08:32:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-08-27 08:32:39,012 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:32:39,012 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:32:39,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-08-27 08:32:39,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-08-27 08:32:39,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-08-27 08:32:39,426 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr19REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-08-27 08:32:39,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:32:39,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1578699409, now seen corresponding path program 1 times [2021-08-27 08:32:39,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:32:39,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296191445] [2021-08-27 08:32:39,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:32:39,428 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:32:39,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:32:39,428 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:32:39,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-08-27 08:32:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:32:40,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-27 08:32:40,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:32:40,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-08-27 08:32:40,900 INFO L388 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 [2021-08-27 08:32:40,916 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 08:32:40,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-08-27 08:32:40,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-27 08:32:40,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-08-27 08:32:41,092 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:32:41,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 70 [2021-08-27 08:32:41,117 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:32:41,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 47 [2021-08-27 08:32:41,261 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:32:41,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-08-27 08:32:41,284 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-08-27 08:32:41,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-08-27 08:32:41,488 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:32:41,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-08-27 08:32:41,510 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-08-27 08:32:41,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-08-27 08:32:41,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-08-27 08:32:41,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-08-27 08:32:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:32:41,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:32:44,211 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base|) (bvadd |main_#t~mem130.offset| c_main_~j~0) v_DerPreprocessor_9)) c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset)))) (bvule (bvadd .cse0 (_ bv1 32) c_main_~j~0) (bvadd .cse0 (_ bv2 32) c_main_~j~0)))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse1 (bvadd |main_#t~mem130.offset| c_main_~j~0)) (.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base|) .cse1 v_DerPreprocessor_9)) c_main_~argv~0.base) .cse2) (_ bv2 32) c_main_~j~0) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem130.base|) .cse1 v_DerPreprocessor_10)) c_main_~argv~0.base) .cse2)))))) is different from false [2021-08-27 08:32:46,289 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2)) (.cse1 (bvadd |main_#t~mem130.offset| c_main_~j~0))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 v_DerPreprocessor_9)) c_main_~argv~0.base) .cse2) (_ bv2 32) c_main_~j~0) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 v_DerPreprocessor_10)) c_main_~argv~0.base) .cse2)))))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse3 (let ((.cse5 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse5))) (store |c_#memory_$Pointer$.offset| .cse4 (store (select |c_#memory_$Pointer$.offset| .cse4) (bvadd |main_#t~mem130.offset| c_main_~j~0) v_DerPreprocessor_9))) c_main_~argv~0.base) .cse5)))) (bvule (bvadd .cse3 (_ bv1 32) c_main_~j~0) (bvadd .cse3 (_ bv2 32) c_main_~j~0))))) is different from false [2021-08-27 08:32:48,376 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse0 (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.offset| .cse1 (store (select |c_#memory_$Pointer$.offset| .cse1) |main_#t~mem130.offset| v_DerPreprocessor_9))) c_main_~argv~0.base) .cse2)))) (bvule (bvadd .cse0 (_ bv1 32)) (bvadd (_ bv2 32) .cse0)))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse4 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse4))) (bvule (bvadd (_ bv2 32) (select (select (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) |main_#t~mem130.offset| v_DerPreprocessor_9)) c_main_~argv~0.base) .cse4)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) |main_#t~mem130.offset| v_DerPreprocessor_10)) c_main_~argv~0.base) .cse4))))))) is different from false [2021-08-27 08:32:48,395 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:32:48,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296191445] [2021-08-27 08:32:48,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 08:32:48,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1158875437] [2021-08-27 08:32:48,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:32:48,395 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 08:32:48,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 08:32:48,396 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 08:32:48,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2021-08-27 08:32:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:32:50,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-27 08:32:50,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:32:50,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-08-27 08:32:51,031 INFO L388 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 [2021-08-27 08:32:51,063 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 08:32:51,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-08-27 08:32:51,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-27 08:32:51,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-08-27 08:32:51,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 08:32:51,485 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-08-27 08:32:51,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2021-08-27 08:32:51,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 08:32:51,506 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-08-27 08:32:51,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 66 [2021-08-27 08:32:52,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 08:32:52,138 INFO L354 Elim1Store]: treesize reduction 82, result has 28.7 percent of original size [2021-08-27 08:32:52,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 97 [2021-08-27 08:32:52,168 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-08-27 08:32:52,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 81 [2021-08-27 08:32:52,602 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:32:52,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-08-27 08:32:52,621 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-08-27 08:32:52,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-08-27 08:32:52,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-08-27 08:32:52,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-08-27 08:32:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:32:52,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:32:55,013 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base|) (bvadd |main_#t~mem130.offset| c_main_~j~0) v_DerPreprocessor_11)) c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset)))) (bvule (bvadd .cse0 (_ bv1 32) c_main_~j~0) (bvadd .cse0 (_ bv2 32) c_main_~j~0)))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (let ((.cse1 (bvadd |main_#t~mem130.offset| c_main_~j~0)) (.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base|) .cse1 v_DerPreprocessor_11)) c_main_~argv~0.base) .cse2) (_ bv2 32) c_main_~j~0) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem130.base|) .cse1 v_DerPreprocessor_12)) c_main_~argv~0.base) .cse2)))))) is different from false [2021-08-27 08:32:57,074 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2)) (.cse1 (bvadd |main_#t~mem130.offset| c_main_~j~0))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 v_DerPreprocessor_11)) c_main_~argv~0.base) .cse2) (_ bv2 32) c_main_~j~0) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 v_DerPreprocessor_12)) c_main_~argv~0.base) .cse2)))))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32))) (let ((.cse3 (let ((.cse5 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse5))) (store |c_#memory_$Pointer$.offset| .cse4 (store (select |c_#memory_$Pointer$.offset| .cse4) (bvadd |main_#t~mem130.offset| c_main_~j~0) v_DerPreprocessor_11))) c_main_~argv~0.base) .cse5)))) (bvule (bvadd .cse3 (_ bv1 32) c_main_~j~0) (bvadd .cse3 (_ bv2 32) c_main_~j~0))))) is different from false [2021-08-27 08:32:59,152 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32))) (let ((.cse0 (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.offset| .cse1 (store (select |c_#memory_$Pointer$.offset| .cse1) |main_#t~mem130.offset| v_DerPreprocessor_11))) c_main_~argv~0.base) .cse2)))) (bvule (bvadd (_ bv1 32) .cse0) (bvadd (_ bv2 32) .cse0)))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (let ((.cse4 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse4))) (bvule (bvadd (_ bv2 32) (select (select (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) |main_#t~mem130.offset| v_DerPreprocessor_11)) c_main_~argv~0.base) .cse4)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) |main_#t~mem130.offset| v_DerPreprocessor_12)) c_main_~argv~0.base) .cse4))))))) is different from false [2021-08-27 08:32:59,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 08:32:59,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963580512] [2021-08-27 08:32:59,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:32:59,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 08:32:59,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 08:32:59,168 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 08:32:59,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-27 08:33:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:33:00,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-27 08:33:00,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:33:00,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-08-27 08:33:00,430 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 08:33:00,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2021-08-27 08:33:00,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-27 08:33:00,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-08-27 08:33:00,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-27 08:33:00,569 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:33:00,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 70 [2021-08-27 08:33:00,592 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-08-27 08:33:00,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 47 [2021-08-27 08:33:00,676 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-08-27 08:33:00,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-08-27 08:33:00,698 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-08-27 08:33:00,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-08-27 08:33:00,906 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-08-27 08:33:00,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 101 [2021-08-27 08:33:00,926 INFO L354 Elim1Store]: treesize reduction 67, result has 14.1 percent of original size [2021-08-27 08:33:00,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 74 [2021-08-27 08:33:01,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-08-27 08:33:01,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-08-27 08:33:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-27 08:33:01,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:33:16,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 08:33:16,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:33:16,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-27 08:33:16,325 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-27 08:33:16,325 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-08-27 08:33:16,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr19REQUIRES_VIOLATION [2021-08-27 08:33:16,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr0REQUIRES_VIOLATION [2021-08-27 08:33:16,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr1REQUIRES_VIOLATION [2021-08-27 08:33:16,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr2REQUIRES_VIOLATION [2021-08-27 08:33:16,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr3REQUIRES_VIOLATION [2021-08-27 08:33:16,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr4REQUIRES_VIOLATION [2021-08-27 08:33:16,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr5REQUIRES_VIOLATION [2021-08-27 08:33:16,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr6REQUIRES_VIOLATION [2021-08-27 08:33:16,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr7REQUIRES_VIOLATION [2021-08-27 08:33:16,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr8REQUIRES_VIOLATION [2021-08-27 08:33:16,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr9REQUIRES_VIOLATION [2021-08-27 08:33:16,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr10REQUIRES_VIOLATION [2021-08-27 08:33:16,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr11REQUIRES_VIOLATION [2021-08-27 08:33:16,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0REQUIRES_VIOLATION [2021-08-27 08:33:16,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1REQUIRES_VIOLATION [2021-08-27 08:33:16,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr2REQUIRES_VIOLATION [2021-08-27 08:33:16,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr3REQUIRES_VIOLATION [2021-08-27 08:33:16,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr4REQUIRES_VIOLATION [2021-08-27 08:33:16,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr5REQUIRES_VIOLATION [2021-08-27 08:33:16,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr6REQUIRES_VIOLATION [2021-08-27 08:33:16,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr7REQUIRES_VIOLATION [2021-08-27 08:33:16,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr8REQUIRES_VIOLATION [2021-08-27 08:33:16,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr9REQUIRES_VIOLATION [2021-08-27 08:33:16,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr10REQUIRES_VIOLATION [2021-08-27 08:33:16,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr11REQUIRES_VIOLATION [2021-08-27 08:33:16,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr12REQUIRES_VIOLATION [2021-08-27 08:33:16,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr13REQUIRES_VIOLATION [2021-08-27 08:33:16,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr14REQUIRES_VIOLATION [2021-08-27 08:33:16,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr15REQUIRES_VIOLATION [2021-08-27 08:33:16,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr16REQUIRES_VIOLATION [2021-08-27 08:33:16,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr17REQUIRES_VIOLATION [2021-08-27 08:33:16,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr18REQUIRES_VIOLATION [2021-08-27 08:33:16,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr20REQUIRES_VIOLATION [2021-08-27 08:33:16,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr21REQUIRES_VIOLATION [2021-08-27 08:33:16,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr22ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr23ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr24ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr25ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr26ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr27ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr28ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr29ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr30ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr31ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr32ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr33ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:33:16,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr34ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 08:33:16,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr0REQUIRES_VIOLATION [2021-08-27 08:33:16,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr1REQUIRES_VIOLATION [2021-08-27 08:33:16,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr0REQUIRES_VIOLATION [2021-08-27 08:33:16,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr1REQUIRES_VIOLATION [2021-08-27 08:33:16,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr0REQUIRES_VIOLATION [2021-08-27 08:33:16,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr1REQUIRES_VIOLATION [2021-08-27 08:33:16,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr2REQUIRES_VIOLATION [2021-08-27 08:33:16,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr3REQUIRES_VIOLATION [2021-08-27 08:33:16,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:33:16,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:33:16,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr6REQUIRES_VIOLATION [2021-08-27 08:33:16,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr7REQUIRES_VIOLATION [2021-08-27 08:33:16,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr8REQUIRES_VIOLATION [2021-08-27 08:33:16,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr9REQUIRES_VIOLATION [2021-08-27 08:33:16,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr10REQUIRES_VIOLATION [2021-08-27 08:33:16,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr11REQUIRES_VIOLATION [2021-08-27 08:33:16,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr12REQUIRES_VIOLATION [2021-08-27 08:33:16,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr13REQUIRES_VIOLATION [2021-08-27 08:33:16,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr0REQUIRES_VIOLATION [2021-08-27 08:33:16,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr1REQUIRES_VIOLATION [2021-08-27 08:33:16,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr2REQUIRES_VIOLATION [2021-08-27 08:33:16,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr3REQUIRES_VIOLATION [2021-08-27 08:33:16,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr4REQUIRES_VIOLATION [2021-08-27 08:33:16,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr5REQUIRES_VIOLATION [2021-08-27 08:33:16,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr6REQUIRES_VIOLATION [2021-08-27 08:33:16,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr7REQUIRES_VIOLATION [2021-08-27 08:33:16,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr0REQUIRES_VIOLATION [2021-08-27 08:33:16,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr1REQUIRES_VIOLATION [2021-08-27 08:33:16,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr2REQUIRES_VIOLATION [2021-08-27 08:33:16,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr3REQUIRES_VIOLATION [2021-08-27 08:33:16,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr4REQUIRES_VIOLATION [2021-08-27 08:33:16,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr5REQUIRES_VIOLATION [2021-08-27 08:33:16,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr6REQUIRES_VIOLATION [2021-08-27 08:33:16,343 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr7REQUIRES_VIOLATION [2021-08-27 08:33:16,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-27 08:33:16,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2021-08-27 08:33:16,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-08-27 08:33:16,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:33:16,948 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 08:33:16,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 08:33:16 BoogieIcfgContainer [2021-08-27 08:33:16,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 08:33:16,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 08:33:16,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 08:33:16,977 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 08:33:16,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 08:19:52" (3/4) ... [2021-08-27 08:33:16,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 08:33:16,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 08:33:16,996 INFO L168 Benchmark]: Toolchain (without parser) took 806989.28 ms. Allocated memory was 58.7 MB in the beginning and 509.6 MB in the end (delta: 450.9 MB). Free memory was 39.5 MB in the beginning and 380.8 MB in the end (delta: -341.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 16.1 GB. [2021-08-27 08:33:16,996 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory is still 28.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:33:16,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1025.04 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 39.3 MB in the beginning and 49.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-08-27 08:33:16,997 INFO L168 Benchmark]: Boogie Preprocessor took 166.71 ms. Allocated memory is still 79.7 MB. Free memory was 49.9 MB in the beginning and 34.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-08-27 08:33:16,998 INFO L168 Benchmark]: RCFGBuilder took 1392.71 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 34.7 MB in the beginning and 57.9 MB in the end (delta: -23.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-08-27 08:33:16,998 INFO L168 Benchmark]: TraceAbstraction took 804381.52 ms. Allocated memory was 113.2 MB in the beginning and 509.6 MB in the end (delta: 396.4 MB). Free memory was 57.0 MB in the beginning and 380.8 MB in the end (delta: -323.8 MB). Peak memory consumption was 72.7 MB. Max. memory is 16.1 GB. [2021-08-27 08:33:16,998 INFO L168 Benchmark]: Witness Printer took 19.20 ms. Allocated memory is still 509.6 MB. Free memory is still 380.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:33:17,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory is still 28.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1025.04 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 39.3 MB in the beginning and 49.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 166.71 ms. Allocated memory is still 79.7 MB. Free memory was 49.9 MB in the beginning and 34.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1392.71 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 34.7 MB in the beginning and 57.9 MB in the end (delta: -23.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 804381.52 ms. Allocated memory was 113.2 MB in the beginning and 509.6 MB in the end (delta: 396.4 MB). Free memory was 57.0 MB in the beginning and 380.8 MB in the end (delta: -323.8 MB). Peak memory consumption was 72.7 MB. Max. memory is 16.1 GB. * Witness Printer took 19.20 ms. Allocated memory is still 509.6 MB. Free memory is still 380.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1895]: 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: [L1763] static const char *applet_name; [L1764] static signed int bb_errno_location; [L1795] static struct utmp dummy_utmp; [L1877] char *a = malloc(11); [L1878] a[10] = 0 [L1879] int i=0; [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND FALSE !(i<10) [L1881] applet_name = a [L1882] bb_errno_location = __VERIFIER_nondet_int() [L1883] optind = 1 [L1884] int argc = __VERIFIER_nondet_int(); [L1885] CALL assume_abort_if_not(argc >= 1 && argc <= 10000) [L9] COND FALSE !(!cond) [L1885] RET assume_abort_if_not(argc >= 1 && argc <= 10000) [L1886] char **argv=malloc((argc+1)*sizeof(char*)); [L1887] char **mem_track=malloc((argc+1)*sizeof(char*)); [L1888] argv[argc]=0 [L1889] int i=0; [L1889] COND TRUE i