./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 ................................................................................................................................ 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_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:25:49,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:25:49,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:25:49,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:25:49,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:25:49,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:25:49,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:25:49,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:25:49,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:25:49,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:25:49,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:25:49,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:25:49,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:25:49,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:25:49,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:25:50,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:25:50,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:25:50,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:25:50,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:25:50,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:25:50,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:25:50,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:25:50,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:25:50,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:25:50,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:25:50,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:25:50,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:25:50,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:25:50,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:25:50,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:25:50,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:25:50,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:25:50,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:25:50,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:25:50,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:25:50,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:25:50,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:25:50,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:25:50,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:25:50,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:25:50,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:25:50,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-13 00:25:50,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:25:50,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:25:50,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:25:50,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:25:50,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:25:50,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:25:50,100 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:25:50,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:25:50,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:25:50,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:25:50,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:25:50,102 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:25:50,103 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:25:50,103 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:25:50,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:25:50,103 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:25:50,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:25:50,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:25:50,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:25:50,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:25:50,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:25:50,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:25:50,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:25:50,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:25:50,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:25:50,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:25:50,106 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_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2021-10-13 00:25:50,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:25:50,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:25:50,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:25:50,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:25:50,389 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:25:50,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-10-13 00:25:50,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data/9f41ff3c3/6180ba23835948db9efb403fc08cd297/FLAGa9f8f4060 [2021-10-13 00:25:51,163 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:25:51,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-10-13 00:25:51,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data/9f41ff3c3/6180ba23835948db9efb403fc08cd297/FLAGa9f8f4060 [2021-10-13 00:25:51,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data/9f41ff3c3/6180ba23835948db9efb403fc08cd297 [2021-10-13 00:25:51,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:25:51,338 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:25:51,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:25:51,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:25:51,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:25:51,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:25:51" (1/1) ... [2021-10-13 00:25:51,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@982d131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:51, skipping insertion in model container [2021-10-13 00:25:51,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:25:51" (1/1) ... [2021-10-13 00:25:51,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:25:51,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:25:52,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:25:52,251 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) [2021-10-13 00:25:52,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fabd5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:52, skipping insertion in model container [2021-10-13 00:25:52,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:25:52,252 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:25:52,254 INFO L168 Benchmark]: Toolchain (without parser) took 914.87 ms. Allocated memory is still 92.3 MB. Free memory was 53.0 MB in the beginning and 58.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:52,256 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 92.3 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:25:52,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 911.01 ms. Allocated memory is still 92.3 MB. Free memory was 52.8 MB in the beginning and 58.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:52,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 92.3 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 911.01 ms. Allocated memory is still 92.3 MB. Free memory was 52.8 MB in the beginning and 58.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1774]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:25:54,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:25:54,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:25:54,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:25:54,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:25:54,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:25:54,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:25:54,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:25:54,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:25:54,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:25:54,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:25:54,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:25:54,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:25:54,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:25:54,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:25:54,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:25:54,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:25:54,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:25:54,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:25:54,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:25:54,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:25:54,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:25:54,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:25:54,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:25:54,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:25:54,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:25:54,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:25:54,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:25:54,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:25:54,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:25:54,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:25:54,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:25:54,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:25:54,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:25:54,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:25:54,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:25:54,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:25:54,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:25:54,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:25:54,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:25:54,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:25:54,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-13 00:25:54,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:25:54,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:25:54,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:25:54,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:25:54,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:25:54,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:25:54,593 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:25:54,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:25:54,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:25:54,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:25:54,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:25:54,594 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:25:54,594 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:25:54,594 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:25:54,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:25:54,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:25:54,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:25:54,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:25:54,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:25:54,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:25:54,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:25:54,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:25:54,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:25:54,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:25:54,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:25:54,597 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:25:54,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:25:54,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:25:54,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:25:54,598 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_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2021-10-13 00:25:54,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:25:54,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:25:54,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:25:54,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:25:54,947 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:25:54,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-10-13 00:25:55,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data/bcac3d27c/cd049c70fb1647ce8f322cdc456347bb/FLAGcaa630ea0 [2021-10-13 00:25:55,770 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:25:55,771 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-10-13 00:25:55,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data/bcac3d27c/cd049c70fb1647ce8f322cdc456347bb/FLAGcaa630ea0 [2021-10-13 00:25:55,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/data/bcac3d27c/cd049c70fb1647ce8f322cdc456347bb [2021-10-13 00:25:55,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:25:55,948 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:25:55,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:25:55,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:25:55,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:25:55,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:25:55" (1/1) ... [2021-10-13 00:25:55,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7290258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:55, skipping insertion in model container [2021-10-13 00:25:55,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:25:55" (1/1) ... [2021-10-13 00:25:55,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:25:56,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:25:56,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:25:56,994 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 00:25:57,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:25:57,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:25:57,180 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:25:57,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:25:57,436 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:25:57,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57 WrapperNode [2021-10-13 00:25:57,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:25:57,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:25:57,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:25:57,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:25:57,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (1/1) ... [2021-10-13 00:25:57,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (1/1) ... [2021-10-13 00:25:57,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (1/1) ... [2021-10-13 00:25:57,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (1/1) ... [2021-10-13 00:25:57,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (1/1) ... [2021-10-13 00:25:57,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (1/1) ... [2021-10-13 00:25:57,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (1/1) ... [2021-10-13 00:25:57,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:25:57,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:25:57,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:25:57,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:25:57,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (1/1) ... [2021-10-13 00:25:57,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:25:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:25:57,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:25:57,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:25:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-13 00:25:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:25:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:25:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-13 00:25:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-10-13 00:25:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-13 00:25:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-13 00:25:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2021-10-13 00:25:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2021-10-13 00:25:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2021-10-13 00:25:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2021-10-13 00:25:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure gethostid [2021-10-13 00:25:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2021-10-13 00:25:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2021-10-13 00:25:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2021-10-13 00:25:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2021-10-13 00:25:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2021-10-13 00:25:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2021-10-13 00:25:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-13 00:25:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-10-13 00:25:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-10-13 00:25:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-13 00:25:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-13 00:25:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2021-10-13 00:25:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isctype [2021-10-13 00:25:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2021-10-13 00:25:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2021-10-13 00:25:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_cookie_init [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-10-13 00:25:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-10-13 00:25:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-10-13 00:25:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile64 [2021-10-13 00:25:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-10-13 00:25:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-10-13 00:25:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-10-13 00:25:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-10-13 00:25:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-10-13 00:25:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-10-13 00:25:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure fcloseall [2021-10-13 00:25:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-13 00:25:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-10-13 00:25:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure fopen64 [2021-10-13 00:25:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure freopen64 [2021-10-13 00:25:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-10-13 00:25:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure fopencookie [2021-10-13 00:25:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-10-13 00:25:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-10-13 00:25:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-10-13 00:25:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-10-13 00:25:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-10-13 00:25:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-10-13 00:25:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-10-13 00:25:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-10-13 00:25:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-10-13 00:25:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-10-13 00:25:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-10-13 00:25:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-10-13 00:25:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-10-13 00:25:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-10-13 00:25:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2021-10-13 00:25:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure __asprintf [2021-10-13 00:25:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure asprintf [2021-10-13 00:25:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-10-13 00:25:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-10-13 00:25:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-10-13 00:25:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-10-13 00:25:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-10-13 00:25:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-10-13 00:25:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-10-13 00:25:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-10-13 00:25:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-10-13 00:25:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-10-13 00:25:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-10-13 00:25:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-10-13 00:25:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-10-13 00:25:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-10-13 00:25:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-10-13 00:25:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-10-13 00:25:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-10-13 00:25:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-10-13 00:25:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-10-13 00:25:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-10-13 00:25:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-10-13 00:25:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-10-13 00:25:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-10-13 00:25:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure fgets_unlocked [2021-10-13 00:25:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-10-13 00:25:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-10-13 00:25:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-10-13 00:25:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-10-13 00:25:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-13 00:25:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-10-13 00:25:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-10-13 00:25:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-10-13 00:25:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure fputs_unlocked [2021-10-13 00:25:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-10-13 00:25:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-10-13 00:25:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-10-13 00:25:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-10-13 00:25:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-10-13 00:25:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-10-13 00:25:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-10-13 00:25:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-10-13 00:25:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-10-13 00:25:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko64 [2021-10-13 00:25:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure ftello64 [2021-10-13 00:25:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos64 [2021-10-13 00:25:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos64 [2021-10-13 00:25:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-10-13 00:25:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-10-13 00:25:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-10-13 00:25:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-10-13 00:25:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-10-13 00:25:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-10-13 00:25:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-10-13 00:25:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-10-13 00:25:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-10-13 00:25:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-10-13 00:25:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-10-13 00:25:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-10-13 00:25:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure cuserid [2021-10-13 00:25:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure obstack_printf [2021-10-13 00:25:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure obstack_vprintf [2021-10-13 00:25:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-10-13 00:25:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-10-13 00:25:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-10-13 00:25:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure access [2021-10-13 00:25:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure euidaccess [2021-10-13 00:25:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure eaccess [2021-10-13 00:25:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2021-10-13 00:25:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2021-10-13 00:25:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure lseek64 [2021-10-13 00:25:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure close [2021-10-13 00:25:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure read [2021-10-13 00:25:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write [2021-10-13 00:25:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2021-10-13 00:25:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2021-10-13 00:25:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure pread64 [2021-10-13 00:25:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite64 [2021-10-13 00:25:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2021-10-13 00:25:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure pipe2 [2021-10-13 00:25:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2021-10-13 00:25:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-10-13 00:25:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2021-10-13 00:25:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2021-10-13 00:25:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2021-10-13 00:25:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2021-10-13 00:25:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2021-10-13 00:25:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2021-10-13 00:25:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2021-10-13 00:25:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2021-10-13 00:25:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2021-10-13 00:25:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2021-10-13 00:25:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_current_dir_name [2021-10-13 00:25:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2021-10-13 00:25:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2021-10-13 00:25:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2021-10-13 00:25:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure dup3 [2021-10-13 00:25:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2021-10-13 00:25:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2021-10-13 00:25:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2021-10-13 00:25:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2021-10-13 00:25:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2021-10-13 00:25:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2021-10-13 00:25:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2021-10-13 00:25:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure execvpe [2021-10-13 00:25:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2021-10-13 00:25:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2021-10-13 00:25:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2021-10-13 00:25:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2021-10-13 00:25:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2021-10-13 00:25:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2021-10-13 00:25:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2021-10-13 00:25:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2021-10-13 00:25:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2021-10-13 00:25:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2021-10-13 00:25:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2021-10-13 00:25:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2021-10-13 00:25:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2021-10-13 00:25:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2021-10-13 00:25:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2021-10-13 00:25:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2021-10-13 00:25:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2021-10-13 00:25:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2021-10-13 00:25:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2021-10-13 00:25:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2021-10-13 00:25:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure group_member [2021-10-13 00:25:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2021-10-13 00:25:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2021-10-13 00:25:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2021-10-13 00:25:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2021-10-13 00:25:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2021-10-13 00:25:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2021-10-13 00:25:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure getresuid [2021-10-13 00:25:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure getresgid [2021-10-13 00:25:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure setresuid [2021-10-13 00:25:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure setresgid [2021-10-13 00:25:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2021-10-13 00:25:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2021-10-13 00:25:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2021-10-13 00:25:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2021-10-13 00:25:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2021-10-13 00:25:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2021-10-13 00:25:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure link [2021-10-13 00:25:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2021-10-13 00:25:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2021-10-13 00:25:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2021-10-13 00:25:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2021-10-13 00:25:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2021-10-13 00:25:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2021-10-13 00:25:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2021-10-13 00:25:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2021-10-13 00:25:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2021-10-13 00:25:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2021-10-13 00:25:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2021-10-13 00:25:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2021-10-13 00:25:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2021-10-13 00:25:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2021-10-13 00:25:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2021-10-13 00:25:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2021-10-13 00:25:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2021-10-13 00:25:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2021-10-13 00:25:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2021-10-13 00:25:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2021-10-13 00:25:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2021-10-13 00:25:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2021-10-13 00:25:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2021-10-13 00:25:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2021-10-13 00:25:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2021-10-13 00:25:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2021-10-13 00:25:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2021-10-13 00:25:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2021-10-13 00:25:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2021-10-13 00:25:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure syncfs [2021-10-13 00:25:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2021-10-13 00:25:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2021-10-13 00:25:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2021-10-13 00:25:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2021-10-13 00:25:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2021-10-13 00:25:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure truncate64 [2021-10-13 00:25:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2021-10-13 00:25:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate64 [2021-10-13 00:25:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2021-10-13 00:25:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2021-10-13 00:25:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2021-10-13 00:25:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2021-10-13 00:25:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure lockf64 [2021-10-13 00:25:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2021-10-13 00:25:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure crypt [2021-10-13 00:25:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure encrypt [2021-10-13 00:25:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure swab [2021-10-13 00:25:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-13 00:25:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-13 00:25:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-13 00:25:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-13 00:25:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-13 00:25:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-13 00:25:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-13 00:25:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-13 00:25:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-13 00:25:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-13 00:25:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-13 00:25:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-13 00:25:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-13 00:25:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-13 00:25:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtol_l [2021-10-13 00:25:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul_l [2021-10-13 00:25:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll_l [2021-10-13 00:25:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull_l [2021-10-13 00:25:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtod_l [2021-10-13 00:25:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtof_l [2021-10-13 00:25:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtold_l [2021-10-13 00:25:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-13 00:25:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-13 00:25:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-13 00:25:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-13 00:25:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-13 00:25:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-13 00:25:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-13 00:25:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-13 00:25:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-13 00:25:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-13 00:25:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-13 00:25:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-13 00:25:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-13 00:25:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-13 00:25:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-13 00:25:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-13 00:25:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-13 00:25:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-13 00:25:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-13 00:25:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-13 00:25:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-13 00:25:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-13 00:25:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-13 00:25:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-13 00:25:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-13 00:25:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-13 00:25:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-13 00:25:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-13 00:25:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-13 00:25:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-13 00:25:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-13 00:25:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-13 00:25:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-13 00:25:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-13 00:25:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-13 00:25:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-13 00:25:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-13 00:25:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-13 00:25:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-13 00:25:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-13 00:25:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-10-13 00:25:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-13 00:25:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-13 00:25:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-13 00:25:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-13 00:25:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-13 00:25:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-13 00:25:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-13 00:25:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-13 00:25:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-13 00:25:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-13 00:25:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-13 00:25:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure secure_getenv [2021-10-13 00:25:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-13 00:25:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-13 00:25:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-13 00:25:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-13 00:25:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-13 00:25:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-13 00:25:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp64 [2021-10-13 00:25:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-13 00:25:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps64 [2021-10-13 00:25:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-13 00:25:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemp [2021-10-13 00:25:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemp64 [2021-10-13 00:25:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemps [2021-10-13 00:25:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemps64 [2021-10-13 00:25:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-13 00:25:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure canonicalize_file_name [2021-10-13 00:25:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-13 00:25:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-13 00:25:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-13 00:25:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure qsort_r [2021-10-13 00:25:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-13 00:25:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-13 00:25:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-13 00:25:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-13 00:25:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-13 00:25:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-13 00:25:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-13 00:25:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-13 00:25:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-13 00:25:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-13 00:25:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-13 00:25:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-13 00:25:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-13 00:25:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-13 00:25:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-13 00:25:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-13 00:25:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-13 00:25:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-13 00:25:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-13 00:25:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-13 00:25:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-13 00:25:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-13 00:25:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-13 00:25:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure setkey [2021-10-13 00:25:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2021-10-13 00:25:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure grantpt [2021-10-13 00:25:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure unlockpt [2021-10-13 00:25:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ptsname [2021-10-13 00:25:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ptsname_r [2021-10-13 00:25:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure getpt [2021-10-13 00:25:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-13 00:25:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2021-10-13 00:25:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2021-10-13 00:25:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2021-10-13 00:25:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2021-10-13 00:25:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2021-10-13 00:25:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2021-10-13 00:25:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2021-10-13 00:25:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2021-10-13 00:25:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure futimesat [2021-10-13 00:25:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2021-10-13 00:25:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure login [2021-10-13 00:25:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2021-10-13 00:25:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2021-10-13 00:25:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2021-10-13 00:25:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2021-10-13 00:25:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2021-10-13 00:25:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2021-10-13 00:25:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2021-10-13 00:25:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2021-10-13 00:25:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2021-10-13 00:25:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2021-10-13 00:25:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2021-10-13 00:25:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2021-10-13 00:25:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2021-10-13 00:25:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-13 00:25:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2021-10-13 00:25:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2021-10-13 00:25:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-13 00:25:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-10-13 00:25:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-10-13 00:25:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure rawmemchr [2021-10-13 00:25:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure memrchr [2021-10-13 00:25:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-10-13 00:25:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-10-13 00:25:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-10-13 00:25:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-10-13 00:25:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-10-13 00:25:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-10-13 00:25:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2021-10-13 00:25:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2021-10-13 00:25:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2021-10-13 00:25:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2021-10-13 00:25:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2021-10-13 00:25:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2021-10-13 00:25:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2021-10-13 00:25:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-10-13 00:25:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure strchrnul [2021-10-13 00:25:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2021-10-13 00:25:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2021-10-13 00:25:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2021-10-13 00:25:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-10-13 00:25:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2021-10-13 00:25:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2021-10-13 00:25:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2021-10-13 00:25:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure strcasestr [2021-10-13 00:25:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure memmem [2021-10-13 00:25:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure __mempcpy [2021-10-13 00:25:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure mempcpy [2021-10-13 00:25:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2021-10-13 00:25:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-10-13 00:25:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-10-13 00:25:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2021-10-13 00:25:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2021-10-13 00:25:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2021-10-13 00:25:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2021-10-13 00:25:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2021-10-13 00:25:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2021-10-13 00:25:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure index [2021-10-13 00:25:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2021-10-13 00:25:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-10-13 00:25:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2021-10-13 00:25:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2021-10-13 00:25:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-10-13 00:25:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2021-10-13 00:25:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2021-10-13 00:25:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2021-10-13 00:25:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-10-13 00:25:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2021-10-13 00:25:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2021-10-13 00:25:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2021-10-13 00:25:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2021-10-13 00:25:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2021-10-13 00:25:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure strverscmp [2021-10-13 00:25:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure strfry [2021-10-13 00:25:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure memfrob [2021-10-13 00:25:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure basename [2021-10-13 00:25:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2021-10-13 00:25:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2021-10-13 00:25:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2021-10-13 00:25:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2021-10-13 00:25:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:25:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:25:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-13 00:25:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-13 00:25:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-13 00:25:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:25:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:25:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:25:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-13 00:25:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:25:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-13 00:25:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:25:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:25:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:25:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-13 00:25:59,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:25:59,638 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:25:59,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:25:59 BoogieIcfgContainer [2021-10-13 00:25:59,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:25:59,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:25:59,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:25:59,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:25:59,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:25:55" (1/3) ... [2021-10-13 00:25:59,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790a505c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:25:59, skipping insertion in model container [2021-10-13 00:25:59,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:57" (2/3) ... [2021-10-13 00:25:59,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790a505c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:25:59, skipping insertion in model container [2021-10-13 00:25:59,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:25:59" (3/3) ... [2021-10-13 00:25:59,651 INFO L111 eAbstractionObserver]: Analyzing ICFG hostid.i [2021-10-13 00:25:59,657 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:25:59,657 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2021-10-13 00:25:59,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:25:59,727 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:25:59,728 INFO L340 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2021-10-13 00:25:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 85 states have (on average 1.7058823529411764) internal successors, (145), 131 states have internal predecessors, (145), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-10-13 00:25:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 00:25:59,758 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:25:59,759 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:25:59,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:25:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:25:59,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1215657922, now seen corresponding path program 1 times [2021-10-13 00:25:59,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:25:59,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162925216] [2021-10-13 00:25:59,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:25:59,781 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:25:59,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:25:59,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:25:59,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:26:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:00,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:26:00,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:00,467 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 [2021-10-13 00:26:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:00,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:00,532 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:00,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162925216] [2021-10-13 00:26:00,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162925216] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:26:00,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:26:00,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:26:00,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592937495] [2021-10-13 00:26:00,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:26:00,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:00,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:26:00,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:26:00,561 INFO L87 Difference]: Start difference. First operand has 151 states, 85 states have (on average 1.7058823529411764) internal successors, (145), 131 states have internal predecessors, (145), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:26:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:00,808 INFO L93 Difference]: Finished difference Result 127 states and 132 transitions. [2021-10-13 00:26:00,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:26:00,811 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 [2021-10-13 00:26:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:00,822 INFO L225 Difference]: With dead ends: 127 [2021-10-13 00:26:00,822 INFO L226 Difference]: Without dead ends: 124 [2021-10-13 00:26:00,824 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:26:00,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-13 00:26:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2021-10-13 00:26:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 60 states have (on average 1.65) internal successors, (99), 95 states have internal predecessors, (99), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:26:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 112 transitions. [2021-10-13 00:26:00,877 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 112 transitions. Word has length 7 [2021-10-13 00:26:00,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:00,877 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 112 transitions. [2021-10-13 00:26:00,877 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) [2021-10-13 00:26:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2021-10-13 00:26:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 00:26:00,879 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:00,879 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:00,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:01,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:01,101 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:01,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:01,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1215657923, now seen corresponding path program 1 times [2021-10-13 00:26:01,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:01,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533273968] [2021-10-13 00:26:01,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:01,114 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:01,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:01,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:01,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 00:26:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:01,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:26:01,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:01,669 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 [2021-10-13 00:26:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:01,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:01,781 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:01,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533273968] [2021-10-13 00:26:01,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533273968] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:26:01,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:26:01,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 00:26:01,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64261009] [2021-10-13 00:26:01,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:26:01,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:01,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:26:01,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:26:01,785 INFO L87 Difference]: Start difference. First operand 108 states and 112 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:26:02,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:02,049 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2021-10-13 00:26:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:26:02,050 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 [2021-10-13 00:26:02,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:02,052 INFO L225 Difference]: With dead ends: 107 [2021-10-13 00:26:02,052 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 00:26:02,052 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:26:02,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 00:26:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-13 00:26:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 94 states have internal predecessors, (98), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:26:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 111 transitions. [2021-10-13 00:26:02,063 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 111 transitions. Word has length 7 [2021-10-13 00:26:02,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:02,063 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 111 transitions. [2021-10-13 00:26:02,064 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) [2021-10-13 00:26:02,064 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2021-10-13 00:26:02,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 00:26:02,064 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:02,064 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:02,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:02,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:02,273 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr3REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:02,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:02,273 INFO L82 PathProgramCache]: Analyzing trace with hash 500942492, now seen corresponding path program 1 times [2021-10-13 00:26:02,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:02,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623757697] [2021-10-13 00:26:02,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:02,275 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:02,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:02,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:02,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 00:26:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:02,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:26:02,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:02,715 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 [2021-10-13 00:26:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:02,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:03,011 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:03,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623757697] [2021-10-13 00:26:03,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623757697] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:26:03,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:26:03,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-13 00:26:03,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549328234] [2021-10-13 00:26:03,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:26:03,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:03,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:26:03,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:26:03,014 INFO L87 Difference]: Start difference. First operand 107 states and 111 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:26:03,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:03,729 INFO L93 Difference]: Finished difference Result 116 states and 122 transitions. [2021-10-13 00:26:03,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:26:03,730 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 [2021-10-13 00:26:03,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:03,732 INFO L225 Difference]: With dead ends: 116 [2021-10-13 00:26:03,733 INFO L226 Difference]: Without dead ends: 116 [2021-10-13 00:26:03,733 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 143.3ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:26:03,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-13 00:26:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2021-10-13 00:26:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 100 states have internal predecessors, (105), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:26:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2021-10-13 00:26:03,746 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 10 [2021-10-13 00:26:03,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:03,746 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2021-10-13 00:26:03,746 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) [2021-10-13 00:26:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2021-10-13 00:26:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:26:03,747 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:03,747 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:03,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:03,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:03,972 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:03,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:03,972 INFO L82 PathProgramCache]: Analyzing trace with hash -291216350, now seen corresponding path program 1 times [2021-10-13 00:26:03,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:03,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961247225] [2021-10-13 00:26:03,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:03,974 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:03,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:03,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:03,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 00:26:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:04,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:26:04,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:04,360 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 [2021-10-13 00:26:04,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:04,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:05,428 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:05,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961247225] [2021-10-13 00:26:05,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961247225] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:26:05,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:26:05,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-13 00:26:05,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402925100] [2021-10-13 00:26:05,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 00:26:05,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:05,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:26:05,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:26:05,431 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:26:06,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:06,518 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2021-10-13 00:26:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:26:06,519 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 [2021-10-13 00:26:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:06,524 INFO L225 Difference]: With dead ends: 123 [2021-10-13 00:26:06,524 INFO L226 Difference]: Without dead ends: 123 [2021-10-13 00:26:06,526 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 681.2ms TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:26:06,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-13 00:26:06,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2021-10-13 00:26:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 110 states have internal predecessors, (114), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:26:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 127 transitions. [2021-10-13 00:26:06,547 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 127 transitions. Word has length 18 [2021-10-13 00:26:06,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:06,548 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 127 transitions. [2021-10-13 00:26:06,548 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) [2021-10-13 00:26:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2021-10-13 00:26:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 00:26:06,550 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:06,550 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:06,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:06,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:06,764 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr4REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:06,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:06,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1166518063, now seen corresponding path program 1 times [2021-10-13 00:26:06,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:06,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321086264] [2021-10-13 00:26:06,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:06,767 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:06,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:06,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:06,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 00:26:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:07,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:26:07,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:07,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:07,571 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:07,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321086264] [2021-10-13 00:26:07,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321086264] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:26:07,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:26:07,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-10-13 00:26:07,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233685754] [2021-10-13 00:26:07,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 00:26:07,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:07,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 00:26:07,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:26:07,573 INFO L87 Difference]: Start difference. First operand 123 states and 127 transitions. Second operand has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:26:07,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:07,853 INFO L93 Difference]: Finished difference Result 143 states and 147 transitions. [2021-10-13 00:26:07,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 00:26:07,856 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2021-10-13 00:26:07,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:07,858 INFO L225 Difference]: With dead ends: 143 [2021-10-13 00:26:07,858 INFO L226 Difference]: Without dead ends: 143 [2021-10-13 00:26:07,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 225.3ms TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2021-10-13 00:26:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-13 00:26:07,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2021-10-13 00:26:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 130 states have internal predecessors, (134), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:26:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2021-10-13 00:26:07,872 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 37 [2021-10-13 00:26:07,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:07,876 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2021-10-13 00:26:07,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:26:07,876 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2021-10-13 00:26:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-13 00:26:07,881 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:07,881 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:07,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:08,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:08,099 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr4REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:08,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:08,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1328968896, now seen corresponding path program 2 times [2021-10-13 00:26:08,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:08,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562841535] [2021-10-13 00:26:08,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:26:08,101 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:08,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:08,102 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:08,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 00:26:08,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-13 00:26:08,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:26:08,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:26:08,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:08,660 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 00:26:08,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 14 [2021-10-13 00:26:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:08,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:08,819 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:08,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562841535] [2021-10-13 00:26:08,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562841535] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:26:08,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:26:08,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:26:08,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233449744] [2021-10-13 00:26:08,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:26:08,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:08,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:26:08,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:26:08,821 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:26:09,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:09,005 INFO L93 Difference]: Finished difference Result 154 states and 159 transitions. [2021-10-13 00:26:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:26:09,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-10-13 00:26:09,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:09,008 INFO L225 Difference]: With dead ends: 154 [2021-10-13 00:26:09,008 INFO L226 Difference]: Without dead ends: 154 [2021-10-13 00:26:09,008 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:26:09,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-10-13 00:26:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 138. [2021-10-13 00:26:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 97 states have (on average 1.3298969072164948) internal successors, (129), 125 states have internal predecessors, (129), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:26:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2021-10-13 00:26:09,015 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 57 [2021-10-13 00:26:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:09,016 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2021-10-13 00:26:09,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:26:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2021-10-13 00:26:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-13 00:26:09,018 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:09,018 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:09,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:09,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:09,229 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr5REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:09,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:09,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1328968895, now seen corresponding path program 1 times [2021-10-13 00:26:09,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:09,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152323159] [2021-10-13 00:26:09,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:09,230 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:09,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:09,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:09,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 00:26:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:09,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:26:09,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:10,077 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-10-13 00:26:10,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2021-10-13 00:26:10,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-10-13 00:26:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:10,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:10,621 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:10,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152323159] [2021-10-13 00:26:10,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152323159] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:26:10,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:26:10,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 00:26:10,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91831579] [2021-10-13 00:26:10,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 00:26:10,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:10,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:26:10,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:26:10,623 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:26:11,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:11,475 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2021-10-13 00:26:11,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:26:11,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 57 [2021-10-13 00:26:11,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:11,478 INFO L225 Difference]: With dead ends: 170 [2021-10-13 00:26:11,478 INFO L226 Difference]: Without dead ends: 170 [2021-10-13 00:26:11,478 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 283.7ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:26:11,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-10-13 00:26:11,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 150. [2021-10-13 00:26:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 136 states have internal predecessors, (150), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-13 00:26:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 165 transitions. [2021-10-13 00:26:11,485 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 165 transitions. Word has length 57 [2021-10-13 00:26:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:11,486 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 165 transitions. [2021-10-13 00:26:11,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:26:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 165 transitions. [2021-10-13 00:26:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-13 00:26:11,487 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:11,487 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:11,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:11,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:11,688 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr7REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:11,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:11,689 INFO L82 PathProgramCache]: Analyzing trace with hash -303794314, now seen corresponding path program 1 times [2021-10-13 00:26:11,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:11,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897758612] [2021-10-13 00:26:11,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:11,690 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:11,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:11,692 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:11,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 00:26:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:12,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:26:12,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:12,521 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-10-13 00:26:12,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 34 [2021-10-13 00:26:12,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2021-10-13 00:26:13,120 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-10-13 00:26:13,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 62 [2021-10-13 00:26:13,133 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 00:26:13,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 52 [2021-10-13 00:26:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:13,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:16,882 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-13 00:26:16,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-13 00:26:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:19,509 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:19,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897758612] [2021-10-13 00:26:19,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897758612] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:26:19,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:26:19,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-13 00:26:19,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183353536] [2021-10-13 00:26:19,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-13 00:26:19,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 00:26:19,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=163, Unknown=2, NotChecked=0, Total=210 [2021-10-13 00:26:19,511 INFO L87 Difference]: Start difference. First operand 150 states and 165 transitions. Second operand has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 13 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:26:31,811 WARN L207 SmtUtils]: Spent 6.25 s on a formula simplification that was a NOOP. DAG size: 41 [2021-10-13 00:26:34,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:34,975 INFO L93 Difference]: Finished difference Result 221 states and 230 transitions. [2021-10-13 00:26:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 00:26:34,976 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 13 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 60 [2021-10-13 00:26:34,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:34,977 INFO L225 Difference]: With dead ends: 221 [2021-10-13 00:26:34,977 INFO L226 Difference]: Without dead ends: 221 [2021-10-13 00:26:34,978 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 17848.4ms TimeCoverageRelationStatistics Valid=132, Invalid=418, Unknown=2, NotChecked=0, Total=552 [2021-10-13 00:26:34,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-13 00:26:34,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 136. [2021-10-13 00:26:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 123 states have internal predecessors, (127), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:26:34,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2021-10-13 00:26:34,984 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60 [2021-10-13 00:26:34,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:34,985 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2021-10-13 00:26:34,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 13 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:26:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2021-10-13 00:26:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-13 00:26:34,986 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:34,987 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:35,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-13 00:26:35,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:35,201 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr10REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:35,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:35,201 INFO L82 PathProgramCache]: Analyzing trace with hash -840281906, now seen corresponding path program 1 times [2021-10-13 00:26:35,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:35,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942712133] [2021-10-13 00:26:35,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:35,203 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:35,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:35,204 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:35,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 00:26:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:35,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:26:35,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:35,941 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 00:26:35,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 14 [2021-10-13 00:26:36,017 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 00:26:36,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-10-13 00:26:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:36,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:36,235 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:36,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942712133] [2021-10-13 00:26:36,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942712133] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:26:36,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:26:36,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:26:36,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135029433] [2021-10-13 00:26:36,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:26:36,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:36,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:26:36,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:26:36,237 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:26:36,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:26:36,418 INFO L93 Difference]: Finished difference Result 143 states and 148 transitions. [2021-10-13 00:26:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:26:36,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2021-10-13 00:26:36,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:26:36,420 INFO L225 Difference]: With dead ends: 143 [2021-10-13 00:26:36,420 INFO L226 Difference]: Without dead ends: 143 [2021-10-13 00:26:36,420 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:26:36,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-13 00:26:36,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 140. [2021-10-13 00:26:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 127 states have internal predecessors, (135), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:26:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 148 transitions. [2021-10-13 00:26:36,428 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 148 transitions. Word has length 63 [2021-10-13 00:26:36,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:26:36,429 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 148 transitions. [2021-10-13 00:26:36,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:26:36,430 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2021-10-13 00:26:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-13 00:26:36,434 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:26:36,435 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:26:36,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:36,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:26:36,636 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr11REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:26:36,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:36,636 INFO L82 PathProgramCache]: Analyzing trace with hash -840281905, now seen corresponding path program 1 times [2021-10-13 00:26:36,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:26:36,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736075420] [2021-10-13 00:26:36,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:36,637 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:26:36,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:26:36,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:26:36,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 00:26:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:37,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:26:37,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:37,495 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-10-13 00:26:37,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 34 [2021-10-13 00:26:37,528 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 00:26:37,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-10-13 00:26:38,025 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-10-13 00:26:38,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 62 [2021-10-13 00:26:38,042 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-13 00:26:38,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 50 [2021-10-13 00:26:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:38,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:26:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:26:41,791 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:26:41,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736075420] [2021-10-13 00:26:41,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736075420] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:26:41,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:26:41,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-10-13 00:26:41,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122636544] [2021-10-13 00:26:41,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 00:26:41,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:26:41,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 00:26:41,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=121, Unknown=1, NotChecked=0, Total=156 [2021-10-13 00:26:41,793 INFO L87 Difference]: Start difference. First operand 140 states and 148 transitions. Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:26:52,650 WARN L207 SmtUtils]: Spent 5.94 s on a formula simplification that was a NOOP. DAG size: 37 [2021-10-13 00:27:02,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:27:02,113 INFO L93 Difference]: Finished difference Result 259 states and 270 transitions. [2021-10-13 00:27:02,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 00:27:02,114 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 63 [2021-10-13 00:27:02,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:27:02,116 INFO L225 Difference]: With dead ends: 259 [2021-10-13 00:27:02,116 INFO L226 Difference]: Without dead ends: 259 [2021-10-13 00:27:02,117 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 19125.2ms TimeCoverageRelationStatistics Valid=130, Invalid=374, Unknown=2, NotChecked=0, Total=506 [2021-10-13 00:27:02,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-10-13 00:27:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 158. [2021-10-13 00:27:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 145 states have internal predecessors, (159), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:27:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 172 transitions. [2021-10-13 00:27:02,123 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 172 transitions. Word has length 63 [2021-10-13 00:27:02,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:27:02,124 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 172 transitions. [2021-10-13 00:27:02,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:27:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 172 transitions. [2021-10-13 00:27:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-13 00:27:02,125 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:27:02,125 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:27:02,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:27:02,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:27:02,331 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr14REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:27:02,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:27:02,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1768790020, now seen corresponding path program 1 times [2021-10-13 00:27:02,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:27:02,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498918595] [2021-10-13 00:27:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:27:02,332 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:27:02,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:27:02,333 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:27:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 00:27:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:27:03,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:27:03,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:27:03,196 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 [2021-10-13 00:27:03,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2021-10-13 00:27:03,400 INFO L354 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2021-10-13 00:27:03,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2021-10-13 00:27:03,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-10-13 00:27:03,526 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:27:03,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:27:05,588 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.base (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse0 (bvmul c_main_~i~4 (_ bv8 32)))) (select (select (store |c_#memory_$Pointer$.base| main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| main_~mem_track~0.base) (bvadd .cse0 c_main_~mem_track~0.offset) |c_main_#t~mem127.base|)) c_main_~argv~0.base) (bvadd .cse0 c_main_~argv~0.offset))))))))) (_ bv1 1)))) is different from false [2021-10-13 00:27:07,603 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.base (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse0 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse1 (bvadd .cse0 c_main_~argv~0.offset))) (select (select (store |c_#memory_$Pointer$.base| main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| main_~mem_track~0.base) (bvadd .cse0 c_main_~mem_track~0.offset) (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse1))) c_main_~argv~0.base) .cse1)))))))))) (_ bv1 1)))) is different from false [2021-10-13 00:27:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:27:07,750 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:27:07,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498918595] [2021-10-13 00:27:07,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498918595] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:27:07,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:27:07,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2021-10-13 00:27:07,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826075871] [2021-10-13 00:27:07,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 00:27:07,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:27:07,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 00:27:07,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=65, Unknown=2, NotChecked=34, Total=132 [2021-10-13 00:27:07,752 INFO L87 Difference]: Start difference. First operand 158 states and 172 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:27:16,127 WARN L207 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-10-13 00:27:28,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:27:28,531 INFO L93 Difference]: Finished difference Result 155 states and 168 transitions. [2021-10-13 00:27:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:27:28,531 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 66 [2021-10-13 00:27:28,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:27:28,533 INFO L225 Difference]: With dead ends: 155 [2021-10-13 00:27:28,533 INFO L226 Difference]: Without dead ends: 155 [2021-10-13 00:27:28,533 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 121 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 20497.6ms TimeCoverageRelationStatistics Valid=51, Invalid=108, Unknown=5, NotChecked=46, Total=210 [2021-10-13 00:27:28,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-10-13 00:27:28,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-10-13 00:27:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 142 states have internal predecessors, (155), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:27:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 168 transitions. [2021-10-13 00:27:28,539 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 168 transitions. Word has length 66 [2021-10-13 00:27:28,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:27:28,540 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 168 transitions. [2021-10-13 00:27:28,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:27:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 168 transitions. [2021-10-13 00:27:28,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-13 00:27:28,541 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:27:28,541 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:27:28,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-10-13 00:27:28,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:27:28,757 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr15REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:27:28,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:27:28,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1768790019, now seen corresponding path program 1 times [2021-10-13 00:27:28,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:27:28,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645490285] [2021-10-13 00:27:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:27:28,759 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:27:28,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:27:28,759 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:27:28,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 00:27:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:27:29,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:27:29,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:27:29,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-10-13 00:27:29,621 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 [2021-10-13 00:27:29,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:27:29,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-10-13 00:27:29,850 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:27:29,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 58 [2021-10-13 00:27:29,890 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:27:29,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2021-10-13 00:27:29,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-10-13 00:27:29,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2021-10-13 00:27:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:27:30,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:27:37,868 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:27:37,868 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:27:37,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645490285] [2021-10-13 00:27:37,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645490285] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:27:37,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:27:37,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-13 00:27:37,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594468584] [2021-10-13 00:27:37,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 00:27:37,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:27:37,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 00:27:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=79, Unknown=2, NotChecked=0, Total=110 [2021-10-13 00:27:37,870 INFO L87 Difference]: Start difference. First operand 155 states and 168 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:27:39,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:27:39,200 INFO L93 Difference]: Finished difference Result 154 states and 166 transitions. [2021-10-13 00:27:39,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:27:39,201 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 66 [2021-10-13 00:27:39,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:27:39,202 INFO L225 Difference]: With dead ends: 154 [2021-10-13 00:27:39,203 INFO L226 Difference]: Without dead ends: 154 [2021-10-13 00:27:39,203 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 7156.2ms TimeCoverageRelationStatistics Valid=53, Invalid=127, Unknown=2, NotChecked=0, Total=182 [2021-10-13 00:27:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-10-13 00:27:39,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-10-13 00:27:39,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 122 states have (on average 1.2540983606557377) internal successors, (153), 141 states have internal predecessors, (153), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:27:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 166 transitions. [2021-10-13 00:27:39,209 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 166 transitions. Word has length 66 [2021-10-13 00:27:39,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:27:39,209 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 166 transitions. [2021-10-13 00:27:39,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:27:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2021-10-13 00:27:39,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-13 00:27:39,211 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:27:39,211 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:27:39,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-10-13 00:27:39,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:27:39,424 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr18REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:27:39,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:27:39,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1224029017, now seen corresponding path program 1 times [2021-10-13 00:27:39,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:27:39,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010374479] [2021-10-13 00:27:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:27:39,426 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:27:39,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:27:39,427 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:27:39,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 00:27:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:27:40,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:27:40,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:27:40,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-10-13 00:27:40,423 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-13 00:27:40,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-10-13 00:27:40,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-10-13 00:27:40,659 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:27:40,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2021-10-13 00:27:40,878 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-10-13 00:27:40,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 43 [2021-10-13 00:27:40,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 29 [2021-10-13 00:27:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:27:41,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:27:43,161 WARN L838 $PredicateComparison]: unable to prove that (forall ((|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem128.base|) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1)) c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset)))))) (_ bv1 1)))) is different from false [2021-10-13 00:27:45,177 WARN L838 $PredicateComparison]: unable to prove that (forall ((|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse1 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse1))) (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1))) c_main_~argv~0.base) .cse1)))))))))) is different from false [2021-10-13 00:27:47,217 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.offset (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse3 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse3 c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse3 main_~mem_track~0.offset) |main_#t~mem127.base|)))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_1)))) c_main_~argv~0.base) .cse2)))))))) (_ bv1 1)))) is different from false [2021-10-13 00:28:00,074 INFO L354 Elim1Store]: treesize reduction 9, result has 81.6 percent of original size [2021-10-13 00:28:00,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 106 [2021-10-13 00:28:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:28:00,506 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:28:00,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010374479] [2021-10-13 00:28:00,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010374479] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:28:00,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:28:00,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 16 [2021-10-13 00:28:00,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356029646] [2021-10-13 00:28:00,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 00:28:00,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:28:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 00:28:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=139, Unknown=5, NotChecked=78, Total=272 [2021-10-13 00:28:00,508 INFO L87 Difference]: Start difference. First operand 154 states and 166 transitions. Second operand has 17 states, 16 states have (on average 2.75) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:28:02,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:28:02,704 INFO L93 Difference]: Finished difference Result 177 states and 190 transitions. [2021-10-13 00:28:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:28:02,705 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.75) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 70 [2021-10-13 00:28:02,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:28:02,706 INFO L225 Difference]: With dead ends: 177 [2021-10-13 00:28:02,707 INFO L226 Difference]: Without dead ends: 177 [2021-10-13 00:28:02,707 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 14204.3ms TimeCoverageRelationStatistics Valid=100, Invalid=249, Unknown=5, NotChecked=108, Total=462 [2021-10-13 00:28:02,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-10-13 00:28:02,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 163. [2021-10-13 00:28:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 150 states have internal predecessors, (167), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:28:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2021-10-13 00:28:02,713 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 70 [2021-10-13 00:28:02,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:28:02,714 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2021-10-13 00:28:02,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.75) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:28:02,714 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2021-10-13 00:28:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-13 00:28:02,715 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:28:02,716 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:28:02,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-10-13 00:28:02,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:28:02,920 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr19REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:28:02,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:28:02,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1224029016, now seen corresponding path program 1 times [2021-10-13 00:28:02,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:28:02,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672164003] [2021-10-13 00:28:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:28:02,922 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:28:02,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:28:02,923 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:28:02,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 00:28:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:28:03,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:28:03,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:28:03,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-10-13 00:28:03,989 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 00:28:03,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2021-10-13 00:28:03,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 00:28:04,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-10-13 00:28:04,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:28:04,267 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:28:04,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 62 [2021-10-13 00:28:04,297 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:28:04,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 55 [2021-10-13 00:28:04,490 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-10-13 00:28:04,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-10-13 00:28:04,523 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-10-13 00:28:04,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-10-13 00:28:04,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-10-13 00:28:04,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-10-13 00:28:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:28:04,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:28:07,403 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_3 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem128.base|) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_3)) c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset)))) (bvule .cse0 (bvadd .cse0 (_ bv1 32))))) (forall ((v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32))) (let ((.cse1 (bvadd |main_#t~mem128.offset| (_ bv10 32))) (.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem128.base|) .cse1 v_DerPreprocessor_3)) c_main_~argv~0.base) .cse2) (_ bv1 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem128.base|) .cse1 v_DerPreprocessor_2)) c_main_~argv~0.base) .cse2)))))) is different from false [2021-10-13 00:28:09,453 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_3 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32))) (let ((.cse0 (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.offset| .cse1 (store (select |c_#memory_$Pointer$.offset| .cse1) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_3))) c_main_~argv~0.base) .cse2)))) (bvule .cse0 (bvadd .cse0 (_ bv1 32))))) (forall ((v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32))) (let ((.cse5 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse5)) (.cse4 (bvadd |main_#t~mem128.offset| (_ bv10 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) .cse4 v_DerPreprocessor_3)) c_main_~argv~0.base) .cse5) (_ bv1 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) .cse4 v_DerPreprocessor_2)) c_main_~argv~0.base) .cse5))))))) is different from false [2021-10-13 00:28:11,598 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((main_~mem_track~0.offset (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (|main_#t~mem127.offset| (_ BitVec 32))) (let ((.cse0 (let ((.cse5 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse4 (bvadd .cse5 c_main_~argv~0.offset))) (select (select (let ((.cse3 (bvadd .cse5 main_~mem_track~0.offset))) (let ((.cse1 (store |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base) .cse3 |main_#t~mem127.offset|))) (.cse2 (select (select (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) .cse3 |main_#t~mem127.base|)) c_main_~argv~0.base) .cse4))) (store .cse1 .cse2 (store (select .cse1 .cse2) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_3)))) c_main_~argv~0.base) .cse4))))) (bvule .cse0 (bvadd .cse0 (_ bv1 32))))) (forall ((main_~mem_track~0.offset (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (|main_#t~mem127.offset| (_ BitVec 32))) (let ((.cse12 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse9 (bvadd .cse12 main_~mem_track~0.offset))) (let ((.cse11 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) .cse9 |main_#t~mem127.base|))) (.cse10 (bvadd .cse12 c_main_~argv~0.offset))) (let ((.cse7 (select (select .cse11 c_main_~argv~0.base) .cse10)) (.cse8 (bvadd |main_#t~mem128.offset| (_ bv10 32)))) (bvule (bvadd (select (select (let ((.cse6 (store |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base) .cse9 |main_#t~mem127.offset|)))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 v_DerPreprocessor_3))) c_main_~argv~0.base) .cse10) (_ bv1 32)) (select |c_#length| (select (select (store .cse11 .cse7 (store (select .cse11 .cse7) .cse8 v_DerPreprocessor_2)) c_main_~argv~0.base) .cse10))))))))) is different from false [2021-10-13 00:28:18,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:28:18,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:28:18,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:28:19,449 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-13 00:28:19,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 00:28:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:28:19,571 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:28:19,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672164003] [2021-10-13 00:28:19,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672164003] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:28:19,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:28:19,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 10] imperfect sequences [] total 17 [2021-10-13 00:28:19,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217664666] [2021-10-13 00:28:19,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-13 00:28:19,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:28:19,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 00:28:19,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=171, Unknown=3, NotChecked=84, Total=306 [2021-10-13 00:28:19,574 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:28:34,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:28:34,159 INFO L93 Difference]: Finished difference Result 174 states and 184 transitions. [2021-10-13 00:28:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 00:28:34,162 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 70 [2021-10-13 00:28:34,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:28:34,164 INFO L225 Difference]: With dead ends: 174 [2021-10-13 00:28:34,164 INFO L226 Difference]: Without dead ends: 174 [2021-10-13 00:28:34,165 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 19795.5ms TimeCoverageRelationStatistics Valid=126, Invalid=389, Unknown=3, NotChecked=132, Total=650 [2021-10-13 00:28:34,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-10-13 00:28:34,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 163. [2021-10-13 00:28:34,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 131 states have (on average 1.2442748091603053) internal successors, (163), 150 states have internal predecessors, (163), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:28:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 176 transitions. [2021-10-13 00:28:34,174 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 176 transitions. Word has length 70 [2021-10-13 00:28:34,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:28:34,181 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 176 transitions. [2021-10-13 00:28:34,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:28:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 176 transitions. [2021-10-13 00:28:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 00:28:34,183 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:28:34,183 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:28:34,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:28:34,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:28:34,409 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr18REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:28:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:28:34,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1578699408, now seen corresponding path program 1 times [2021-10-13 00:28:34,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:28:34,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392613956] [2021-10-13 00:28:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:28:34,411 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:28:34,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:28:34,412 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:28:34,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 00:28:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:28:35,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:28:35,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:28:36,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-10-13 00:28:36,178 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-13 00:28:36,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2021-10-13 00:28:36,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-10-13 00:28:36,478 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:28:36,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2021-10-13 00:28:36,794 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-10-13 00:28:36,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 43 [2021-10-13 00:28:37,086 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-10-13 00:28:37,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 44 [2021-10-13 00:28:37,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 29 [2021-10-13 00:28:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-10-13 00:28:37,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:28:53,715 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse1 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse1))) (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_4))) c_main_~argv~0.base) .cse1))))))))) is different from false [2021-10-13 00:28:55,794 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_main_#t~mem128.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem128.base|) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_5)))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_4)))) c_main_~argv~0.base) .cse2)))))) (_ bv1 1)))) is different from false [2021-10-13 00:28:57,823 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_5))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_4)))) c_main_~argv~0.base) .cse2))))))))) is different from false [2021-10-13 00:28:59,892 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (main_~mem_track~0.offset (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 32)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse5 (bvmul c_main_~i~4 (_ bv8 32)))) (let ((.cse2 (bvadd .cse5 c_main_~argv~0.offset))) (select (select (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd .cse5 main_~mem_track~0.offset) |main_#t~mem127.base|)))) (let ((.cse4 (select (select .cse3 c_main_~argv~0.base) .cse2))) (store .cse3 .cse4 (store (select .cse3 .cse4) (bvadd |main_#t~mem128.offset| (_ bv10 32)) v_DerPreprocessor_5)))))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd |main_#t~mem130.offset| main_~j~0) v_DerPreprocessor_4)))) c_main_~argv~0.base) .cse2))))))) (_ bv1 1)))) is different from false [2021-10-13 00:29:39,563 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-10-13 00:29:39,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 47 [2021-10-13 00:29:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 2 not checked. [2021-10-13 00:29:39,662 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:29:39,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392613956] [2021-10-13 00:29:39,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1392613956] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:29:39,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:29:39,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-10-13 00:29:39,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824133828] [2021-10-13 00:29:39,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-13 00:29:39,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:29:39,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-13 00:29:39,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=161, Unknown=9, NotChecked=116, Total=342 [2021-10-13 00:29:39,664 INFO L87 Difference]: Start difference. First operand 163 states and 176 transitions. Second operand has 19 states, 18 states have (on average 2.888888888888889) internal successors, (52), 19 states have internal predecessors, (52), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:29:42,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:29:42,100 INFO L93 Difference]: Finished difference Result 171 states and 180 transitions. [2021-10-13 00:29:42,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:29:42,101 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.888888888888889) internal successors, (52), 19 states have internal predecessors, (52), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75 [2021-10-13 00:29:42,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:29:42,102 INFO L225 Difference]: With dead ends: 171 [2021-10-13 00:29:42,102 INFO L226 Difference]: Without dead ends: 171 [2021-10-13 00:29:42,103 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 131 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 32460.6ms TimeCoverageRelationStatistics Valid=87, Invalid=226, Unknown=9, NotChecked=140, Total=462 [2021-10-13 00:29:42,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-10-13 00:29:42,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 162. [2021-10-13 00:29:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 131 states have (on average 1.2290076335877862) internal successors, (161), 149 states have internal predecessors, (161), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:29:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 174 transitions. [2021-10-13 00:29:42,110 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 174 transitions. Word has length 75 [2021-10-13 00:29:42,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:29:42,111 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 174 transitions. [2021-10-13 00:29:42,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.888888888888889) internal successors, (52), 19 states have internal predecessors, (52), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:29:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 174 transitions. [2021-10-13 00:29:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 00:29:42,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:29:42,113 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:29:42,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:29:42,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:29:42,335 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr19REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-13 00:29:42,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:29:42,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1578699409, now seen corresponding path program 1 times [2021-10-13 00:29:42,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:29:42,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181078799] [2021-10-13 00:29:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:29:42,338 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:29:42,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:29:42,339 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:29:42,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 00:29:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:29:43,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-13 00:29:43,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:29:43,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-10-13 00:29:43,895 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 [2021-10-13 00:29:43,924 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 00:29:43,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2021-10-13 00:29:43,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:29:44,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-10-13 00:29:44,208 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:29:44,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 70 [2021-10-13 00:29:44,245 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:29:44,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 47 [2021-10-13 00:29:44,458 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-10-13 00:29:44,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-10-13 00:29:44,492 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-10-13 00:29:44,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-10-13 00:29:44,772 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-10-13 00:29:44,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-10-13 00:29:44,815 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-10-13 00:29:44,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-10-13 00:29:45,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-10-13 00:29:45,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-10-13 00:29:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:29:45,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:29:48,107 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_6 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base|) (bvadd |main_#t~mem130.offset| c_main_~j~0) v_DerPreprocessor_6)) c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset)))) (bvule (bvadd .cse0 (_ bv1 32) c_main_~j~0) (bvadd .cse0 (_ bv2 32) c_main_~j~0)))) (forall ((v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32))) (let ((.cse1 (bvadd |main_#t~mem130.offset| c_main_~j~0)) (.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base|) .cse1 v_DerPreprocessor_6)) c_main_~argv~0.base) .cse2) (_ bv2 32) c_main_~j~0) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem130.base|) .cse1 v_DerPreprocessor_7)) c_main_~argv~0.base) .cse2)))))) is different from false [2021-10-13 00:29:50,211 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_6 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32))) (let ((.cse0 (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.offset| .cse1 (store (select |c_#memory_$Pointer$.offset| .cse1) (bvadd |main_#t~mem130.offset| c_main_~j~0) v_DerPreprocessor_6))) c_main_~argv~0.base) .cse2)))) (bvule (bvadd .cse0 (_ bv1 32) c_main_~j~0) (bvadd .cse0 (_ bv2 32) c_main_~j~0)))) (forall ((v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32))) (let ((.cse5 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse5)) (.cse4 (bvadd |main_#t~mem130.offset| c_main_~j~0))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) .cse4 v_DerPreprocessor_6)) c_main_~argv~0.base) .cse5) (_ bv2 32) c_main_~j~0) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) .cse4 v_DerPreprocessor_7)) c_main_~argv~0.base) .cse5))))))) is different from false [2021-10-13 00:29:52,303 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_6 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32))) (let ((.cse0 (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.offset| .cse1 (store (select |c_#memory_$Pointer$.offset| .cse1) |main_#t~mem130.offset| v_DerPreprocessor_6))) c_main_~argv~0.base) .cse2)))) (bvule (bvadd .cse0 (_ bv1 32)) (bvadd .cse0 (_ bv2 32))))) (forall ((v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (|main_#t~mem130.offset| (_ BitVec 32))) (let ((.cse4 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse4))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) |main_#t~mem130.offset| v_DerPreprocessor_6)) c_main_~argv~0.base) .cse4) (_ bv2 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) |main_#t~mem130.offset| v_DerPreprocessor_7)) c_main_~argv~0.base) .cse4))))))) is different from false [2021-10-13 00:29:52,389 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:29:52,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181078799] [2021-10-13 00:29:52,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: No corresponding IProgramVar for v_DerPreprocessor_6 [2021-10-13 00:29:52,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1211303264] [2021-10-13 00:29:52,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:29:52,390 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 00:29:52,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/cvc4 [2021-10-13 00:29:52,393 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 00:29:52,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-10-13 00:29:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:29:54,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-13 00:29:54,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:29:55,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-10-13 00:29:55,447 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 00:29:55,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2021-10-13 00:29:55,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 00:29:55,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:29:55,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-10-13 00:29:56,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:29:56,158 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-10-13 00:29:56,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 58 [2021-10-13 00:29:56,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:29:56,193 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-10-13 00:29:56,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 70 [2021-10-13 00:29:56,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:29:57,073 INFO L354 Elim1Store]: treesize reduction 82, result has 28.7 percent of original size [2021-10-13 00:29:57,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 97 [2021-10-13 00:29:57,115 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-10-13 00:29:57,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 81 [2021-10-13 00:29:57,701 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-10-13 00:29:57,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-10-13 00:29:57,731 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-10-13 00:29:57,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-10-13 00:29:58,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-10-13 00:29:58,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-10-13 00:29:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:29:58,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:30:00,346 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32))) (let ((.cse0 (bvadd |main_#t~mem130.offset| c_main_~j~0)) (.cse1 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (bvule (bvadd (_ bv2 32) (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base|) .cse0 v_DerPreprocessor_10)) c_main_~argv~0.base) .cse1) c_main_~j~0) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem130.base|) .cse0 v_DerPreprocessor_11)) c_main_~argv~0.base) .cse1))))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base| (store (select |c_#memory_$Pointer$.offset| |c_main_#t~mem130.base|) (bvadd |main_#t~mem130.offset| c_main_~j~0) v_DerPreprocessor_10)) c_main_~argv~0.base) (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset)))) (bvule (bvadd .cse2 (_ bv1 32) c_main_~j~0) (bvadd (_ bv2 32) .cse2 c_main_~j~0))))) is different from false [2021-10-13 00:30:02,424 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32))) (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2)) (.cse1 (bvadd |main_#t~mem130.offset| c_main_~j~0))) (bvule (bvadd (_ bv2 32) (select (select (store |c_#memory_$Pointer$.offset| .cse0 (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 v_DerPreprocessor_10)) c_main_~argv~0.base) .cse2) c_main_~j~0) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 v_DerPreprocessor_11)) c_main_~argv~0.base) .cse2)))))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32))) (let ((.cse3 (let ((.cse5 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse5))) (store |c_#memory_$Pointer$.offset| .cse4 (store (select |c_#memory_$Pointer$.offset| .cse4) (bvadd |main_#t~mem130.offset| c_main_~j~0) v_DerPreprocessor_10))) c_main_~argv~0.base) .cse5)))) (bvule (bvadd .cse3 (_ bv1 32) c_main_~j~0) (bvadd (_ bv2 32) .cse3 c_main_~j~0))))) is different from false [2021-10-13 00:30:04,527 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32))) (let ((.cse0 (let ((.cse2 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.offset| .cse1 (store (select |c_#memory_$Pointer$.offset| .cse1) |main_#t~mem130.offset| v_DerPreprocessor_10))) c_main_~argv~0.base) .cse2)))) (bvule (bvadd .cse0 (_ bv1 32)) (bvadd (_ bv2 32) .cse0)))) (forall ((|main_#t~mem130.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32))) (let ((.cse4 (bvadd (bvmul c_main_~i~4 (_ bv8 32)) c_main_~argv~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse4))) (bvule (bvadd (_ bv2 32) (select (select (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) |main_#t~mem130.offset| v_DerPreprocessor_10)) c_main_~argv~0.base) .cse4)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) |main_#t~mem130.offset| v_DerPreprocessor_11)) c_main_~argv~0.base) .cse4))))))) is different from false [2021-10-13 00:30:04,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: No corresponding IProgramVar for v_DerPreprocessor_10 [2021-10-13 00:30:04,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355972127] [2021-10-13 00:30:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:04,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:30:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:04,614 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:30:04,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-13 00:30:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:30:05,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 00:30:05,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:30:05,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-10-13 00:30:05,772 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 00:30:05,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-10-13 00:30:05,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 00:30:05,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:30:05,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-10-13 00:30:06,007 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:30:06,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 70 [2021-10-13 00:30:06,049 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-10-13 00:30:06,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 47 [2021-10-13 00:30:06,171 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-10-13 00:30:06,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 69 [2021-10-13 00:30:06,203 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-10-13 00:30:06,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 40 [2021-10-13 00:30:06,571 INFO L354 Elim1Store]: treesize reduction 71, result has 13.4 percent of original size [2021-10-13 00:30:06,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 101 [2021-10-13 00:30:06,617 INFO L354 Elim1Store]: treesize reduction 67, result has 14.1 percent of original size [2021-10-13 00:30:06,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 74 [2021-10-13 00:30:06,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-10-13 00:30:06,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-10-13 00:30:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 00:30:06,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:30:21,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: No corresponding IProgramVar for v_DerPreprocessor_15 [2021-10-13 00:30:21,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:30:21,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-13 00:30:21,178 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-13 00:30:21,178 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-13 00:30:21,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr19REQUIRES_VIOLATION [2021-10-13 00:30:21,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr0REQUIRES_VIOLATION [2021-10-13 00:30:21,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr1REQUIRES_VIOLATION [2021-10-13 00:30:21,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr2REQUIRES_VIOLATION [2021-10-13 00:30:21,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr3REQUIRES_VIOLATION [2021-10-13 00:30:21,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr4REQUIRES_VIOLATION [2021-10-13 00:30:21,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr5REQUIRES_VIOLATION [2021-10-13 00:30:21,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr6REQUIRES_VIOLATION [2021-10-13 00:30:21,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr7REQUIRES_VIOLATION [2021-10-13 00:30:21,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr8REQUIRES_VIOLATION [2021-10-13 00:30:21,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr9REQUIRES_VIOLATION [2021-10-13 00:30:21,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr10REQUIRES_VIOLATION [2021-10-13 00:30:21,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr11REQUIRES_VIOLATION [2021-10-13 00:30:21,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0REQUIRES_VIOLATION [2021-10-13 00:30:21,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1REQUIRES_VIOLATION [2021-10-13 00:30:21,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr2REQUIRES_VIOLATION [2021-10-13 00:30:21,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr3REQUIRES_VIOLATION [2021-10-13 00:30:21,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr4REQUIRES_VIOLATION [2021-10-13 00:30:21,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr5REQUIRES_VIOLATION [2021-10-13 00:30:21,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr6REQUIRES_VIOLATION [2021-10-13 00:30:21,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr7REQUIRES_VIOLATION [2021-10-13 00:30:21,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr8REQUIRES_VIOLATION [2021-10-13 00:30:21,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr9REQUIRES_VIOLATION [2021-10-13 00:30:21,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr10REQUIRES_VIOLATION [2021-10-13 00:30:21,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr11REQUIRES_VIOLATION [2021-10-13 00:30:21,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr12REQUIRES_VIOLATION [2021-10-13 00:30:21,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr13REQUIRES_VIOLATION [2021-10-13 00:30:21,195 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr14REQUIRES_VIOLATION [2021-10-13 00:30:21,195 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr15REQUIRES_VIOLATION [2021-10-13 00:30:21,195 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr16REQUIRES_VIOLATION [2021-10-13 00:30:21,195 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr17REQUIRES_VIOLATION [2021-10-13 00:30:21,196 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr18REQUIRES_VIOLATION [2021-10-13 00:30:21,196 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr20REQUIRES_VIOLATION [2021-10-13 00:30:21,196 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr21REQUIRES_VIOLATION [2021-10-13 00:30:21,196 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr22ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr23ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr24ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr25ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr26ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr27ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr28ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr29ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr30ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr31ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr32ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr33ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:30:21,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr34ENSURES_VIOLATIONMEMORY_LEAK [2021-10-13 00:30:21,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr0REQUIRES_VIOLATION [2021-10-13 00:30:21,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr1REQUIRES_VIOLATION [2021-10-13 00:30:21,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr0REQUIRES_VIOLATION [2021-10-13 00:30:21,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr1REQUIRES_VIOLATION [2021-10-13 00:30:21,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr0REQUIRES_VIOLATION [2021-10-13 00:30:21,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr1REQUIRES_VIOLATION [2021-10-13 00:30:21,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr2REQUIRES_VIOLATION [2021-10-13 00:30:21,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr3REQUIRES_VIOLATION [2021-10-13 00:30:21,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 00:30:21,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 00:30:21,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr6REQUIRES_VIOLATION [2021-10-13 00:30:21,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr7REQUIRES_VIOLATION [2021-10-13 00:30:21,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr8REQUIRES_VIOLATION [2021-10-13 00:30:21,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr9REQUIRES_VIOLATION [2021-10-13 00:30:21,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr10REQUIRES_VIOLATION [2021-10-13 00:30:21,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr11REQUIRES_VIOLATION [2021-10-13 00:30:21,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr12REQUIRES_VIOLATION [2021-10-13 00:30:21,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr13REQUIRES_VIOLATION [2021-10-13 00:30:21,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr0REQUIRES_VIOLATION [2021-10-13 00:30:21,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr1REQUIRES_VIOLATION [2021-10-13 00:30:21,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr2REQUIRES_VIOLATION [2021-10-13 00:30:21,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr3REQUIRES_VIOLATION [2021-10-13 00:30:21,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr4REQUIRES_VIOLATION [2021-10-13 00:30:21,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr5REQUIRES_VIOLATION [2021-10-13 00:30:21,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr6REQUIRES_VIOLATION [2021-10-13 00:30:21,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr7REQUIRES_VIOLATION [2021-10-13 00:30:21,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr0REQUIRES_VIOLATION [2021-10-13 00:30:21,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr1REQUIRES_VIOLATION [2021-10-13 00:30:21,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr2REQUIRES_VIOLATION [2021-10-13 00:30:21,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr3REQUIRES_VIOLATION [2021-10-13 00:30:21,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr4REQUIRES_VIOLATION [2021-10-13 00:30:21,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr5REQUIRES_VIOLATION [2021-10-13 00:30:21,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr6REQUIRES_VIOLATION [2021-10-13 00:30:21,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr7REQUIRES_VIOLATION [2021-10-13 00:30:21,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:21,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:21,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:21,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb35ffc9-0f33-43cf-a8f2-9a39756aa8f0/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:30:21,831 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:30:21,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:30:21 BoogieIcfgContainer [2021-10-13 00:30:21,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:30:21,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:30:21,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:30:21,850 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:30:21,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:25:59" (3/4) ... [2021-10-13 00:30:21,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:30:21,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:30:21,855 INFO L168 Benchmark]: Toolchain (without parser) took 265907.26 ms. Allocated memory was 60.8 MB in the beginning and 186.6 MB in the end (delta: 125.8 MB). Free memory was 34.7 MB in the beginning and 64.0 MB in the end (delta: -29.2 MB). Peak memory consumption was 95.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:21,856 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:21,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1488.09 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 34.6 MB in the beginning and 45.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:21,857 INFO L168 Benchmark]: Boogie Preprocessor took 238.50 ms. Allocated memory is still 73.4 MB. Free memory was 45.8 MB in the beginning and 30.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:21,857 INFO L168 Benchmark]: RCFGBuilder took 1964.80 ms. Allocated memory was 73.4 MB in the beginning and 98.6 MB in the end (delta: 25.2 MB). Free memory was 30.8 MB in the beginning and 48.5 MB in the end (delta: -17.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:21,858 INFO L168 Benchmark]: TraceAbstraction took 262203.18 ms. Allocated memory was 98.6 MB in the beginning and 186.6 MB in the end (delta: 88.1 MB). Free memory was 47.9 MB in the beginning and 64.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:21,858 INFO L168 Benchmark]: Witness Printer took 5.12 ms. Allocated memory is still 186.6 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:21,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1488.09 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 34.6 MB in the beginning and 45.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 238.50 ms. Allocated memory is still 73.4 MB. Free memory was 45.8 MB in the beginning and 30.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1964.80 ms. Allocated memory was 73.4 MB in the beginning and 98.6 MB in the end (delta: 25.2 MB). Free memory was 30.8 MB in the beginning and 48.5 MB in the end (delta: -17.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 262203.18 ms. Allocated memory was 98.6 MB in the beginning and 186.6 MB in the end (delta: 88.1 MB). Free memory was 47.9 MB in the beginning and 64.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.12 ms. Allocated memory is still 186.6 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1895]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1763] static const char *applet_name; [L1764] static signed int bb_errno_location; [L1795] static struct utmp dummy_utmp; [L1877] char *a = malloc(11); [L1878] a[10] = 0 [L1879] int i=0; [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND TRUE i<10 [L1880] a[i]=__VERIFIER_nondet_char() [L1879] ++i [L1879] COND FALSE !(i<10) [L1881] applet_name = a [L1882] bb_errno_location = __VERIFIER_nondet_int() [L1883] optind = 1 [L1884] int argc = __VERIFIER_nondet_int(); [L1885] CALL assume_abort_if_not(argc >= 1 && argc <= 10000) [L9] COND FALSE !(!cond) [L1885] RET assume_abort_if_not(argc >= 1 && argc <= 10000) [L1886] char **argv=malloc((argc+1)*sizeof(char*)); [L1887] char **mem_track=malloc((argc+1)*sizeof(char*)); [L1888] argv[argc]=0 [L1889] int i=0; [L1889] COND TRUE i