./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be --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 c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 ................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be --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 c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:07:15,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:07:15,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:07:15,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:07:15,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:07:15,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:07:15,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:07:15,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:07:15,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:07:15,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:07:15,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:07:15,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:07:15,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:07:15,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:07:15,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:07:15,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:07:15,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:07:15,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:07:15,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:07:15,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:07:15,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:07:15,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:07:15,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:07:15,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:07:15,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:07:15,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:07:15,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:07:15,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:07:15,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:07:15,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:07:15,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:07:15,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:07:15,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:07:15,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:07:15,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:07:15,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:07:15,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:07:15,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:07:15,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:07:15,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:07:15,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:07:15,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-21 19:07:15,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:07:15,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:07:15,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:07:15,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:07:15,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:07:15,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:07:15,489 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:07:15,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:07:15,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:07:15,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:07:15,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:07:15,490 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:07:15,490 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:07:15,490 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:07:15,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:07:15,491 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:07:15,491 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:07:15,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:07:15,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:07:15,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:07:15,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:07:15,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:07:15,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:07:15,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:07:15,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:07:15,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:07:15,493 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-10-21 19:07:15,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:07:15,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:07:15,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:07:15,774 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:07:15,775 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:07:15,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-21 19:07:15,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data/99faacc78/ec67ab70137b4ab19d6a7ec00c509759/FLAGe897d78f4 [2021-10-21 19:07:16,479 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:07:16,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-21 19:07:16,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data/99faacc78/ec67ab70137b4ab19d6a7ec00c509759/FLAGe897d78f4 [2021-10-21 19:07:16,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data/99faacc78/ec67ab70137b4ab19d6a7ec00c509759 [2021-10-21 19:07:16,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:07:16,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:07:16,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:07:16,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:07:16,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:07:16,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:07:16" (1/1) ... [2021-10-21 19:07:16,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728fb06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:16, skipping insertion in model container [2021-10-21 19:07:16,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:07:16" (1/1) ... [2021-10-21 19:07:16,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:07:16,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:07:17,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-21 19:07:17,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:07:17,576 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) [2021-10-21 19:07:17,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d32dd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:17, skipping insertion in model container [2021-10-21 19:07:17,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:07:17,577 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:07:17,579 INFO L168 Benchmark]: Toolchain (without parser) took 892.43 ms. Allocated memory is still 123.7 MB. Free memory was 95.8 MB in the beginning and 88.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:07:17,580 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 123.7 MB. Free memory is still 77.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:07:17,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.34 ms. Allocated memory is still 123.7 MB. Free memory was 95.4 MB in the beginning and 88.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:07:17,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 123.7 MB. Free memory is still 77.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 890.34 ms. Allocated memory is still 123.7 MB. Free memory was 95.4 MB in the beginning and 88.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1515]: 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-e943c26 [2021-10-21 19:07:19,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:07:19,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:07:19,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:07:19,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:07:19,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:07:19,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:07:19,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:07:19,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:07:19,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:07:19,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:07:20,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:07:20,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:07:20,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:07:20,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:07:20,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:07:20,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:07:20,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:07:20,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:07:20,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:07:20,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:07:20,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:07:20,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:07:20,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:07:20,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:07:20,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:07:20,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:07:20,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:07:20,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:07:20,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:07:20,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:07:20,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:07:20,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:07:20,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:07:20,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:07:20,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:07:20,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:07:20,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:07:20,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:07:20,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:07:20,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:07:20,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-21 19:07:20,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:07:20,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:07:20,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:07:20,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:07:20,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:07:20,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:07:20,081 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:07:20,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:07:20,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:07:20,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:07:20,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:07:20,083 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:07:20,084 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:07:20,084 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:07:20,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:07:20,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:07:20,084 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:07:20,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:07:20,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:07:20,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:07:20,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:07:20,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:07:20,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:07:20,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:07:20,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:07:20,087 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:07:20,087 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:07:20,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:07:20,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:07:20,088 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-10-21 19:07:20,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:07:20,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:07:20,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:07:20,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:07:20,530 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:07:20,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-21 19:07:20,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data/f7d7b60f7/69471d2ff32f453fafba799b2ac93dba/FLAGe5784704a [2021-10-21 19:07:21,373 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:07:21,374 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-21 19:07:21,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data/f7d7b60f7/69471d2ff32f453fafba799b2ac93dba/FLAGe5784704a [2021-10-21 19:07:21,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/data/f7d7b60f7/69471d2ff32f453fafba799b2ac93dba [2021-10-21 19:07:21,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:07:21,551 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:07:21,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:07:21,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:07:21,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:07:21,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:07:21" (1/1) ... [2021-10-21 19:07:21,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3291ad0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:21, skipping insertion in model container [2021-10-21 19:07:21,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:07:21" (1/1) ... [2021-10-21 19:07:21,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:07:21,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:07:22,596 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-21 19:07:22,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:07:22,706 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:07:22,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:07:22,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-21 19:07:22,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:07:22,856 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:07:22,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-21 19:07:22,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:07:23,081 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:07:23,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23 WrapperNode [2021-10-21 19:07:23,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:07:23,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:07:23,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:07:23,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:07:23,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (1/1) ... [2021-10-21 19:07:23,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (1/1) ... [2021-10-21 19:07:23,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (1/1) ... [2021-10-21 19:07:23,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (1/1) ... [2021-10-21 19:07:23,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (1/1) ... [2021-10-21 19:07:23,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (1/1) ... [2021-10-21 19:07:23,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (1/1) ... [2021-10-21 19:07:23,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:07:23,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:07:23,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:07:23,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:07:23,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (1/1) ... [2021-10-21 19:07:23,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:07:23,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:23,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:23,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:07:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:07:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:07:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:07:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-21 19:07:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-10-21 19:07:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:07:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:07:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2021-10-21 19:07:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2021-10-21 19:07:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2021-10-21 19:07:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2021-10-21 19:07:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2021-10-21 19:07:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2021-10-21 19:07:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2021-10-21 19:07:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2021-10-21 19:07:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2021-10-21 19:07:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2021-10-21 19:07:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2021-10-21 19:07:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2021-10-21 19:07:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2021-10-21 19:07:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2021-10-21 19:07:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:07:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-10-21 19:07:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-10-21 19:07:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:07:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-10-21 19:07:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-10-21 19:07:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-10-21 19:07:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:07:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-21 19:07:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-10-21 19:07:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-10-21 19:07:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-10-21 19:07:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-10-21 19:07:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:07:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:07:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:07:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2021-10-21 19:07:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2021-10-21 19:07:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2021-10-21 19:07:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2021-10-21 19:07:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2021-10-21 19:07:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2021-10-21 19:07:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2021-10-21 19:07:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2021-10-21 19:07:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2021-10-21 19:07:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2021-10-21 19:07:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2021-10-21 19:07:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2021-10-21 19:07:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2021-10-21 19:07:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2021-10-21 19:07:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2021-10-21 19:07:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2021-10-21 19:07:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2021-10-21 19:07:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2021-10-21 19:07:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2021-10-21 19:07:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2021-10-21 19:07:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2021-10-21 19:07:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2021-10-21 19:07:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2021-10-21 19:07:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2021-10-21 19:07:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2021-10-21 19:07:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2021-10-21 19:07:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2021-10-21 19:07:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2021-10-21 19:07:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2021-10-21 19:07:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2021-10-21 19:07:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2021-10-21 19:07:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2021-10-21 19:07:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2021-10-21 19:07:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2021-10-21 19:07:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2021-10-21 19:07:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2021-10-21 19:07:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2021-10-21 19:07:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2021-10-21 19:07:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2021-10-21 19:07:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2021-10-21 19:07:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:07:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2021-10-21 19:07:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2021-10-21 19:07:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:07:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-10-21 19:07:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-10-21 19:07:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-10-21 19:07:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-10-21 19:07:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-10-21 19:07:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-10-21 19:07:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-10-21 19:07:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-10-21 19:07:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2021-10-21 19:07:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2021-10-21 19:07:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2021-10-21 19:07:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2021-10-21 19:07:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2021-10-21 19:07:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2021-10-21 19:07:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2021-10-21 19:07:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-10-21 19:07:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2021-10-21 19:07:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2021-10-21 19:07:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2021-10-21 19:07:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-10-21 19:07:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2021-10-21 19:07:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2021-10-21 19:07:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2021-10-21 19:07:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2021-10-21 19:07:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-10-21 19:07:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-10-21 19:07:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2021-10-21 19:07:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2021-10-21 19:07:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2021-10-21 19:07:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2021-10-21 19:07:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2021-10-21 19:07:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2021-10-21 19:07:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure index [2021-10-21 19:07:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2021-10-21 19:07:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-10-21 19:07:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-10-21 19:07:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2021-10-21 19:07:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-10-21 19:07:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2021-10-21 19:07:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2021-10-21 19:07:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2021-10-21 19:07:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2021-10-21 19:07:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2021-10-21 19:07:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure access [2021-10-21 19:07:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2021-10-21 19:07:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2021-10-21 19:07:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure close [2021-10-21 19:07:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure read [2021-10-21 19:07:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure write [2021-10-21 19:07:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2021-10-21 19:07:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2021-10-21 19:07:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2021-10-21 19:07:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2021-10-21 19:07:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-10-21 19:07:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2021-10-21 19:07:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2021-10-21 19:07:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2021-10-21 19:07:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2021-10-21 19:07:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2021-10-21 19:07:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2021-10-21 19:07:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2021-10-21 19:07:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2021-10-21 19:07:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2021-10-21 19:07:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2021-10-21 19:07:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2021-10-21 19:07:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2021-10-21 19:07:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2021-10-21 19:07:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2021-10-21 19:07:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2021-10-21 19:07:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2021-10-21 19:07:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2021-10-21 19:07:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2021-10-21 19:07:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2021-10-21 19:07:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2021-10-21 19:07:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2021-10-21 19:07:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2021-10-21 19:07:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2021-10-21 19:07:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2021-10-21 19:07:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2021-10-21 19:07:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2021-10-21 19:07:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2021-10-21 19:07:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2021-10-21 19:07:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2021-10-21 19:07:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2021-10-21 19:07:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2021-10-21 19:07:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2021-10-21 19:07:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2021-10-21 19:07:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2021-10-21 19:07:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2021-10-21 19:07:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2021-10-21 19:07:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2021-10-21 19:07:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2021-10-21 19:07:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2021-10-21 19:07:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2021-10-21 19:07:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2021-10-21 19:07:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2021-10-21 19:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2021-10-21 19:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2021-10-21 19:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2021-10-21 19:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2021-10-21 19:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2021-10-21 19:07:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2021-10-21 19:07:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2021-10-21 19:07:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2021-10-21 19:07:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2021-10-21 19:07:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2021-10-21 19:07:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure link [2021-10-21 19:07:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2021-10-21 19:07:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2021-10-21 19:07:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2021-10-21 19:07:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2021-10-21 19:07:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2021-10-21 19:07:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2021-10-21 19:07:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2021-10-21 19:07:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2021-10-21 19:07:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2021-10-21 19:07:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2021-10-21 19:07:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2021-10-21 19:07:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2021-10-21 19:07:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2021-10-21 19:07:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2021-10-21 19:07:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2021-10-21 19:07:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2021-10-21 19:07:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2021-10-21 19:07:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2021-10-21 19:07:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2021-10-21 19:07:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2021-10-21 19:07:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2021-10-21 19:07:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2021-10-21 19:07:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2021-10-21 19:07:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2021-10-21 19:07:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2021-10-21 19:07:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2021-10-21 19:07:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2021-10-21 19:07:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2021-10-21 19:07:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2021-10-21 19:07:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2021-10-21 19:07:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2021-10-21 19:07:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2021-10-21 19:07:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2021-10-21 19:07:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2021-10-21 19:07:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2021-10-21 19:07:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2021-10-21 19:07:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2021-10-21 19:07:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2021-10-21 19:07:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2021-10-21 19:07:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2021-10-21 19:07:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:07:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:07:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:07:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:07:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:07:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:07:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:07:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:07:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:07:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:07:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:07:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:07:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:07:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:07:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:07:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:07:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:07:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:07:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:07:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:07:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:07:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:07:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:07:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:07:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:07:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:07:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:07:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:07:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:07:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:07:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:07:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:07:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:07:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:07:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:07:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:07:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:07:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:07:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:07:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:07:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:07:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:07:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:07:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:07:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:07:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:07:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:07:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:07:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:07:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:07:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:07:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:07:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:07:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:07:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-10-21 19:07:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:07:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:07:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:07:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:07:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:07:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:07:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:07:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:07:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:07:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:07:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:07:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:07:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:07:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:07:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:07:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:07:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:07:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:07:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:07:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:07:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:07:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:07:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:07:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:07:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:07:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:07:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:07:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:07:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:07:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:07:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:07:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:07:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:07:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:07:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:07:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:07:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2021-10-21 19:07:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2021-10-21 19:07:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2021-10-21 19:07:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2021-10-21 19:07:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2021-10-21 19:07:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2021-10-21 19:07:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2021-10-21 19:07:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2021-10-21 19:07:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2021-10-21 19:07:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure login [2021-10-21 19:07:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2021-10-21 19:07:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2021-10-21 19:07:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2021-10-21 19:07:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2021-10-21 19:07:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2021-10-21 19:07:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2021-10-21 19:07:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2021-10-21 19:07:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2021-10-21 19:07:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2021-10-21 19:07:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2021-10-21 19:07:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2021-10-21 19:07:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2021-10-21 19:07:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2021-10-21 19:07:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2021-10-21 19:07:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2021-10-21 19:07:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2021-10-21 19:07:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2021-10-21 19:07:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2021-10-21 19:07:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2021-10-21 19:07:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2021-10-21 19:07:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2021-10-21 19:07:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:07:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-21 19:07:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-21 19:07:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:07:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:07:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-21 19:07:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2021-10-21 19:07:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:07:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:07:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:07:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:07:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:07:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:07:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-21 19:07:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:07:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:07:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-21 19:07:25,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:07:25,528 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-21 19:07:25,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:07:25 BoogieIcfgContainer [2021-10-21 19:07:25,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:07:25,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:07:25,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:07:25,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:07:25,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:07:21" (1/3) ... [2021-10-21 19:07:25,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b614bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:07:25, skipping insertion in model container [2021-10-21 19:07:25,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:23" (2/3) ... [2021-10-21 19:07:25,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b614bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:07:25, skipping insertion in model container [2021-10-21 19:07:25,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:07:25" (3/3) ... [2021-10-21 19:07:25,538 INFO L111 eAbstractionObserver]: Analyzing ICFG basename-2.i [2021-10-21 19:07:25,543 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:07:25,544 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2021-10-21 19:07:25,587 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:07:25,593 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, mAutomataTypeConcurrency=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 [2021-10-21 19:07:25,594 INFO L340 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2021-10-21 19:07:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 310 states, 182 states have (on average 1.8296703296703296) internal successors, (333), 283 states have internal predecessors, (333), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-10-21 19:07:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-21 19:07:25,623 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:07:25,624 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:25,624 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-21 19:07:25,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:25,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2061788052, now seen corresponding path program 1 times [2021-10-21 19:07:25,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:07:25,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332485869] [2021-10-21 19:07:25,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:25,644 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:07:25,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:07:25,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:07:25,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:07:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:26,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:07:26,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:26,271 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 [2021-10-21 19:07:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:26,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:07:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:26,333 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:07:26,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332485869] [2021-10-21 19:07:26,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332485869] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:07:26,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:07:26,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:07:26,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348043611] [2021-10-21 19:07:26,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:07:26,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:07:26,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:07:26,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:07:26,366 INFO L87 Difference]: Start difference. First operand has 310 states, 182 states have (on average 1.8296703296703296) internal successors, (333), 283 states have internal predecessors, (333), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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) [2021-10-21 19:07:26,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:07:26,878 INFO L93 Difference]: Finished difference Result 289 states and 325 transitions. [2021-10-21 19:07:26,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:07:26,881 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 [2021-10-21 19:07:26,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:07:26,899 INFO L225 Difference]: With dead ends: 289 [2021-10-21 19:07:26,900 INFO L226 Difference]: Without dead ends: 286 [2021-10-21 19:07:26,902 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:07:26,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-10-21 19:07:26,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2021-10-21 19:07:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 158 states have (on average 1.7974683544303798) internal successors, (284), 249 states have internal predecessors, (284), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-21 19:07:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 305 transitions. [2021-10-21 19:07:26,971 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 305 transitions. Word has length 7 [2021-10-21 19:07:26,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:07:26,972 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 305 transitions. [2021-10-21 19:07:26,972 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) [2021-10-21 19:07:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 305 transitions. [2021-10-21 19:07:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-21 19:07:26,973 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:07:26,973 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:26,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:27,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:07:27,185 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-21 19:07:27,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:27,186 INFO L82 PathProgramCache]: Analyzing trace with hash 2061788053, now seen corresponding path program 1 times [2021-10-21 19:07:27,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:07:27,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357465829] [2021-10-21 19:07:27,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:27,188 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:07:27,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:07:27,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:07:27,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:07:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:27,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:07:27,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:27,623 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 [2021-10-21 19:07:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:27,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:07:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:27,734 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:07:27,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357465829] [2021-10-21 19:07:27,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357465829] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:07:27,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:07:27,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-21 19:07:27,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790609861] [2021-10-21 19:07:27,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:07:27,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:07:27,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:07:27,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:07:27,739 INFO L87 Difference]: Start difference. First operand 270 states and 305 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) [2021-10-21 19:07:28,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:07:28,661 INFO L93 Difference]: Finished difference Result 269 states and 304 transitions. [2021-10-21 19:07:28,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:07:28,661 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 [2021-10-21 19:07:28,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:07:28,664 INFO L225 Difference]: With dead ends: 269 [2021-10-21 19:07:28,664 INFO L226 Difference]: Without dead ends: 269 [2021-10-21 19:07:28,664 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:07:28,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-10-21 19:07:28,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2021-10-21 19:07:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 158 states have (on average 1.7911392405063291) internal successors, (283), 248 states have internal predecessors, (283), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-21 19:07:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 304 transitions. [2021-10-21 19:07:28,683 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 304 transitions. Word has length 7 [2021-10-21 19:07:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:07:28,684 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 304 transitions. [2021-10-21 19:07:28,684 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) [2021-10-21 19:07:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 304 transitions. [2021-10-21 19:07:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 19:07:28,685 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:07:28,685 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:28,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:28,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:07:28,897 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr3REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-21 19:07:28,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:28,898 INFO L82 PathProgramCache]: Analyzing trace with hash 401088549, now seen corresponding path program 1 times [2021-10-21 19:07:28,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:07:28,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638538546] [2021-10-21 19:07:28,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:28,899 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:07:28,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:07:28,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:07:28,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:07:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:29,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:07:29,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:29,310 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 [2021-10-21 19:07:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:29,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:07:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:29,652 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:07:29,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638538546] [2021-10-21 19:07:29,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638538546] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:07:29,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:07:29,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-21 19:07:29,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498886960] [2021-10-21 19:07:29,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:07:29,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:07:29,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:07:29,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:07:29,655 INFO L87 Difference]: Start difference. First operand 269 states and 304 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) [2021-10-21 19:07:30,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:07:30,884 INFO L93 Difference]: Finished difference Result 282 states and 319 transitions. [2021-10-21 19:07:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:07:30,885 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 [2021-10-21 19:07:30,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:07:30,886 INFO L225 Difference]: With dead ends: 282 [2021-10-21 19:07:30,886 INFO L226 Difference]: Without dead ends: 282 [2021-10-21 19:07:30,887 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 169.3ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:07:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-21 19:07:30,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 275. [2021-10-21 19:07:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 164 states have (on average 1.7682926829268293) internal successors, (290), 254 states have internal predecessors, (290), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-21 19:07:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 311 transitions. [2021-10-21 19:07:30,903 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 311 transitions. Word has length 10 [2021-10-21 19:07:30,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:07:30,903 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 311 transitions. [2021-10-21 19:07:30,903 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) [2021-10-21 19:07:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 311 transitions. [2021-10-21 19:07:30,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 19:07:30,904 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:07:30,904 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:30,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:31,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:07:31,117 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr4REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-21 19:07:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:31,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1866968392, now seen corresponding path program 1 times [2021-10-21 19:07:31,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:07:31,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777235761] [2021-10-21 19:07:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:31,119 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:07:31,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:07:31,120 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:07:31,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:07:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:31,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:07:31,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:31,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:07:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:31,599 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:07:31,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777235761] [2021-10-21 19:07:31,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777235761] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 19:07:31,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:07:31,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-21 19:07:31,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121025559] [2021-10-21 19:07:31,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:07:31,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:07:31,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:07:31,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:07:31,604 INFO L87 Difference]: Start difference. First operand 275 states and 311 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-21 19:07:31,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:07:31,685 INFO L93 Difference]: Finished difference Result 283 states and 318 transitions. [2021-10-21 19:07:31,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:07:31,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 15 [2021-10-21 19:07:31,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:07:31,688 INFO L225 Difference]: With dead ends: 283 [2021-10-21 19:07:31,688 INFO L226 Difference]: Without dead ends: 283 [2021-10-21 19:07:31,689 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:07:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-21 19:07:31,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 282. [2021-10-21 19:07:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 171 states have (on average 1.736842105263158) internal successors, (297), 261 states have internal predecessors, (297), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-21 19:07:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 318 transitions. [2021-10-21 19:07:31,701 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 318 transitions. Word has length 15 [2021-10-21 19:07:31,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:07:31,702 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 318 transitions. [2021-10-21 19:07:31,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-21 19:07:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 318 transitions. [2021-10-21 19:07:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:07:31,703 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:07:31,703 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:31,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:31,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:07:31,918 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr3REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-21 19:07:31,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:31,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1020400171, now seen corresponding path program 1 times [2021-10-21 19:07:31,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:07:31,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935533945] [2021-10-21 19:07:31,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:31,920 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:07:31,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:07:31,921 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:07:31,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:07:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:32,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:07:32,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:32,311 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 [2021-10-21 19:07:32,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:32,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:07:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:33,224 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:07:33,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935533945] [2021-10-21 19:07:33,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935533945] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 19:07:33,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:07:33,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-21 19:07:33,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8241604] [2021-10-21 19:07:33,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:07:33,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:07:33,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:07:33,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:07:33,226 INFO L87 Difference]: Start difference. First operand 282 states and 318 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) [2021-10-21 19:07:36,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:07:36,112 INFO L93 Difference]: Finished difference Result 285 states and 320 transitions. [2021-10-21 19:07:36,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:07:36,113 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 [2021-10-21 19:07:36,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:07:36,115 INFO L225 Difference]: With dead ends: 285 [2021-10-21 19:07:36,115 INFO L226 Difference]: Without dead ends: 285 [2021-10-21 19:07:36,116 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 567.9ms TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:07:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-21 19:07:36,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2021-10-21 19:07:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 175 states have (on average 1.7085714285714286) internal successors, (299), 264 states have internal predecessors, (299), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-21 19:07:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 320 transitions. [2021-10-21 19:07:36,125 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 320 transitions. Word has length 18 [2021-10-21 19:07:36,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:07:36,125 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 320 transitions. [2021-10-21 19:07:36,126 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) [2021-10-21 19:07:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 320 transitions. [2021-10-21 19:07:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-21 19:07:36,127 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:07:36,127 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:36,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:36,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:07:36,328 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr4REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-21 19:07:36,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:36,328 INFO L82 PathProgramCache]: Analyzing trace with hash -436945876, now seen corresponding path program 2 times [2021-10-21 19:07:36,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:07:36,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444151920] [2021-10-21 19:07:36,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:07:36,329 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:07:36,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:07:36,330 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:07:36,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-21 19:07:36,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-21 19:07:36,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:07:36,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:07:36,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:37,803 INFO L354 Elim1Store]: treesize reduction 1467, result has 7.4 percent of original size [2021-10-21 19:07:37,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 11 case distinctions, treesize of input 7571 treesize of output 7398 [2021-10-21 19:08:14,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-10-21 19:08:14,885 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-21 19:08:14,887 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:08:14,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444151920] [2021-10-21 19:08:14,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-10-21 19:08:14,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1321938632] [2021-10-21 19:08:14,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:08:14,888 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-21 19:08:14,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/cvc4 [2021-10-21 19:08:14,902 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-21 19:08:14,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-21 19:08:15,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-21 19:08:15,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:08:15,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:08:15,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:08:15,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-10-21 19:08:15,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655234235] [2021-10-21 19:08:15,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:08:15,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:08:15,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:15,858 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:08:15,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 19:08:16,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-21 19:08:16,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:08:16,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:08:16,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:08:16,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-10-21 19:08:16,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:08:16,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-21 19:08:16,279 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-21 19:08:16,279 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-21 19:08:16,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr4REQUIRES_VIOLATION [2021-10-21 19:08:16,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr4REQUIRES_VIOLATION [2021-10-21 19:08:16,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr5REQUIRES_VIOLATION [2021-10-21 19:08:16,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr6REQUIRES_VIOLATION [2021-10-21 19:08:16,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr7REQUIRES_VIOLATION [2021-10-21 19:08:16,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr8REQUIRES_VIOLATION [2021-10-21 19:08:16,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr9REQUIRES_VIOLATION [2021-10-21 19:08:16,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr10REQUIRES_VIOLATION [2021-10-21 19:08:16,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr11REQUIRES_VIOLATION [2021-10-21 19:08:16,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr12REQUIRES_VIOLATION [2021-10-21 19:08:16,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr13REQUIRES_VIOLATION [2021-10-21 19:08:16,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr14REQUIRES_VIOLATION [2021-10-21 19:08:16,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr15REQUIRES_VIOLATION [2021-10-21 19:08:16,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr16REQUIRES_VIOLATION [2021-10-21 19:08:16,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr17REQUIRES_VIOLATION [2021-10-21 19:08:16,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-10-21 19:08:16,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr19REQUIRES_VIOLATION [2021-10-21 19:08:16,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr20REQUIRES_VIOLATION [2021-10-21 19:08:16,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr25REQUIRES_VIOLATION [2021-10-21 19:08:16,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr26REQUIRES_VIOLATION [2021-10-21 19:08:16,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr29REQUIRES_VIOLATION [2021-10-21 19:08:16,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr30REQUIRES_VIOLATION [2021-10-21 19:08:16,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr31REQUIRES_VIOLATION [2021-10-21 19:08:16,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr32REQUIRES_VIOLATION [2021-10-21 19:08:16,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr37REQUIRES_VIOLATION [2021-10-21 19:08:16,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr38REQUIRES_VIOLATION [2021-10-21 19:08:16,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr41REQUIRES_VIOLATION [2021-10-21 19:08:16,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr42REQUIRES_VIOLATION [2021-10-21 19:08:16,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr2REQUIRES_VIOLATION [2021-10-21 19:08:16,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr3REQUIRES_VIOLATION [2021-10-21 19:08:16,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr6REQUIRES_VIOLATION [2021-10-21 19:08:16,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr7REQUIRES_VIOLATION [2021-10-21 19:08:16,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr8REQUIRES_VIOLATION [2021-10-21 19:08:16,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr9REQUIRES_VIOLATION [2021-10-21 19:08:16,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr10REQUIRES_VIOLATION [2021-10-21 19:08:16,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr11REQUIRES_VIOLATION [2021-10-21 19:08:16,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr12REQUIRES_VIOLATION [2021-10-21 19:08:16,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr13REQUIRES_VIOLATION [2021-10-21 19:08:16,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-21 19:08:16,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr4REQUIRES_VIOLATION [2021-10-21 19:08:16,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr5REQUIRES_VIOLATION [2021-10-21 19:08:16,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr2REQUIRES_VIOLATION [2021-10-21 19:08:16,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr3REQUIRES_VIOLATION [2021-10-21 19:08:16,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr4REQUIRES_VIOLATION [2021-10-21 19:08:16,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr5REQUIRES_VIOLATION [2021-10-21 19:08:16,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr6REQUIRES_VIOLATION [2021-10-21 19:08:16,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr7REQUIRES_VIOLATION [2021-10-21 19:08:16,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr8REQUIRES_VIOLATION [2021-10-21 19:08:16,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr9REQUIRES_VIOLATION [2021-10-21 19:08:16,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr10REQUIRES_VIOLATION [2021-10-21 19:08:16,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr11REQUIRES_VIOLATION [2021-10-21 19:08:16,303 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location safe_writeErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,303 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location safe_writeErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,303 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,303 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,303 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,304 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,304 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr2REQUIRES_VIOLATION [2021-10-21 19:08:16,304 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr3REQUIRES_VIOLATION [2021-10-21 19:08:16,304 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,304 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr2REQUIRES_VIOLATION [2021-10-21 19:08:16,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr3REQUIRES_VIOLATION [2021-10-21 19:08:16,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr4REQUIRES_VIOLATION [2021-10-21 19:08:16,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr5REQUIRES_VIOLATION [2021-10-21 19:08:16,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr6REQUIRES_VIOLATION [2021-10-21 19:08:16,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr7REQUIRES_VIOLATION [2021-10-21 19:08:16,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr2REQUIRES_VIOLATION [2021-10-21 19:08:16,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr3REQUIRES_VIOLATION [2021-10-21 19:08:16,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr4REQUIRES_VIOLATION [2021-10-21 19:08:16,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr5REQUIRES_VIOLATION [2021-10-21 19:08:16,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr6REQUIRES_VIOLATION [2021-10-21 19:08:16,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr7REQUIRES_VIOLATION [2021-10-21 19:08:16,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr2REQUIRES_VIOLATION [2021-10-21 19:08:16,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr3REQUIRES_VIOLATION [2021-10-21 19:08:16,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr5REQUIRES_VIOLATION [2021-10-21 19:08:16,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr6REQUIRES_VIOLATION [2021-10-21 19:08:16,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr7REQUIRES_VIOLATION [2021-10-21 19:08:16,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr8REQUIRES_VIOLATION [2021-10-21 19:08:16,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr9REQUIRES_VIOLATION [2021-10-21 19:08:16,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr10REQUIRES_VIOLATION [2021-10-21 19:08:16,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr11REQUIRES_VIOLATION [2021-10-21 19:08:16,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr12REQUIRES_VIOLATION [2021-10-21 19:08:16,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr13REQUIRES_VIOLATION [2021-10-21 19:08:16,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr14REQUIRES_VIOLATION [2021-10-21 19:08:16,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr15REQUIRES_VIOLATION [2021-10-21 19:08:16,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr16REQUIRES_VIOLATION [2021-10-21 19:08:16,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr17REQUIRES_VIOLATION [2021-10-21 19:08:16,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr18REQUIRES_VIOLATION [2021-10-21 19:08:16,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr19REQUIRES_VIOLATION [2021-10-21 19:08:16,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr20REQUIRES_VIOLATION [2021-10-21 19:08:16,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr21REQUIRES_VIOLATION [2021-10-21 19:08:16,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr22REQUIRES_VIOLATION [2021-10-21 19:08:16,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr23REQUIRES_VIOLATION [2021-10-21 19:08:16,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr24ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr25ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr26ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr27ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr28ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr29ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr30ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr31ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr32ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr33ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr34ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr35ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:08:16,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr36ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:08:16,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr0REQUIRES_VIOLATION [2021-10-21 19:08:16,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr1REQUIRES_VIOLATION [2021-10-21 19:08:16,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:16,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:16,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:16,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94944ae0-21cc-4651-a863-6342a1282d2e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:08:16,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:08:16,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:08:16 BoogieIcfgContainer [2021-10-21 19:08:16,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:08:16,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:08:16,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:08:16,954 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:08:16,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:07:25" (3/4) ... [2021-10-21 19:08:16,975 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:08:16,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:08:16,976 INFO L168 Benchmark]: Toolchain (without parser) took 55424.75 ms. Allocated memory was 79.7 MB in the beginning and 205.5 MB in the end (delta: 125.8 MB). Free memory was 60.4 MB in the beginning and 97.5 MB in the end (delta: -37.1 MB). Peak memory consumption was 89.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:16,976 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 79.7 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:08:16,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1527.70 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 60.1 MB in the beginning and 56.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:16,977 INFO L168 Benchmark]: Boogie Preprocessor took 200.45 ms. Allocated memory is still 100.7 MB. Free memory was 56.3 MB in the beginning and 71.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:16,977 INFO L168 Benchmark]: RCFGBuilder took 2247.77 ms. Allocated memory is still 100.7 MB. Free memory was 71.0 MB in the beginning and 47.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:16,977 INFO L168 Benchmark]: TraceAbstraction took 51420.85 ms. Allocated memory was 100.7 MB in the beginning and 205.5 MB in the end (delta: 104.9 MB). Free memory was 47.1 MB in the beginning and 97.5 MB in the end (delta: -50.5 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:16,978 INFO L168 Benchmark]: Witness Printer took 20.88 ms. Allocated memory is still 205.5 MB. Free memory is still 97.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:08:16,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 79.7 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1527.70 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 60.1 MB in the beginning and 56.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 200.45 ms. Allocated memory is still 100.7 MB. Free memory was 56.3 MB in the beginning and 71.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2247.77 ms. Allocated memory is still 100.7 MB. Free memory was 71.0 MB in the beginning and 47.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51420.85 ms. Allocated memory was 100.7 MB in the beginning and 205.5 MB in the end (delta: 104.9 MB). Free memory was 47.1 MB in the beginning and 97.5 MB in the end (delta: -50.5 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. * Witness Printer took 20.88 ms. Allocated memory is still 205.5 MB. Free memory is still 97.5 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: 1599]: 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: [L1318] static const char *applet_name; [L1319] static signed int bb_errno_location; [L1320] static signed int * const bb_errno = &bb_errno_location; [L1512] static struct utmp dummy_utmp; [L1594] char *a = malloc(11); [L1595] a[10] = 0 [L1596] int i=0; [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND FALSE !(i<10) [L1598] applet_name = a [L1599] bb_errno_location = __VERIFIER_nondet_int() - UnprovableResult [Line: 1334]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1334]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1342]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1342]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1371]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1396]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1396]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1397]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1397]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1400]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1400]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1416]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1416]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1539]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1539]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1543]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1543]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1484]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1484]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1488]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1488]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1491]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1491]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1569]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1569]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1574]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1574]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1505]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1505]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1432]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1432]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1516]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1516]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1517]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1517]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1519]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1519]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1595]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1595]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1597]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1597]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1599]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1605]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1605]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1608]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1608]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1592]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1564]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1564]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 420 locations, 138 error locations. Started 1 CEGAR loops. OverallTime: 51347.7ms, OverallIterations: 6, TraceHistogramMax: 5, EmptinessCheckTime: 15.5ms, AutomataDifference: 5696.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1466 SDtfs, 184 SDslu, 2846 SDs, 0 SdLazy, 1070 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4706.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 814.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 110.9ms AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 88.9ms SsaConstructionTime, 618.4ms SatisfiabilityAnalysisTime, 1805.1ms InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 586 SizeOfPredicates, 1 NumberOfNonLiveVariables, 934 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...