./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX --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 de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:34:49,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:34:49,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:34:49,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:34:49,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:34:49,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:34:49,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:34:49,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:34:49,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:34:49,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:34:49,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:34:49,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:34:49,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:34:49,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:34:49,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:34:49,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:34:49,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:34:49,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:34:49,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:34:49,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:34:49,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:34:49,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:34:49,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:34:49,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:34:49,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:34:49,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:34:49,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:34:49,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:34:49,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:34:49,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:34:49,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:34:49,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:34:49,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:34:49,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:34:49,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:34:49,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:34:49,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:34:49,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:34:49,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:34:49,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:34:49,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:34:49,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-11-09 09:34:49,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:34:49,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:34:49,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:34:49,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:34:49,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:34:49,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:34:49,501 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:34:49,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:34:49,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:34:49,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:34:49,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:34:49,503 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 09:34:49,503 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 09:34:49,504 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 09:34:49,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:34:49,504 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 09:34:49,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:34:49,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:34:49,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:34:49,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:34:49,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:34:49,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:34:49,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:34:49,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:34:49,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:34:49,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:34:49,508 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_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 [2021-11-09 09:34:49,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:34:49,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:34:49,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:34:49,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:34:49,859 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:34:49,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-11-09 09:34:49,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data/4396bd4c8/634c7c78005e4e20b3249142bf128758/FLAG44cb403a7 [2021-11-09 09:34:50,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:34:50,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-11-09 09:34:50,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data/4396bd4c8/634c7c78005e4e20b3249142bf128758/FLAG44cb403a7 [2021-11-09 09:34:50,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data/4396bd4c8/634c7c78005e4e20b3249142bf128758 [2021-11-09 09:34:50,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:34:50,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 09:34:50,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:34:50,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:34:50,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:34:50,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:34:50" (1/1) ... [2021-11-09 09:34:50,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c01336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:50, skipping insertion in model container [2021-11-09 09:34:50,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:34:50" (1/1) ... [2021-11-09 09:34:50,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:34:51,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:34:52,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:34:52,189 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) [2021-11-09 09:34:52,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5aae12a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:52, skipping insertion in model container [2021-11-09 09:34:52,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:34:52,190 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-09 09:34:52,192 INFO L168 Benchmark]: Toolchain (without parser) took 1278.39 ms. Allocated memory is still 102.8 MB. Free memory was 65.4 MB in the beginning and 66.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:34:52,193 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:34:52,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1268.57 ms. Allocated memory is still 102.8 MB. Free memory was 65.2 MB in the beginning and 66.8 MB in the end (delta: -1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:34:52,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1268.57 ms. Allocated memory is still 102.8 MB. Free memory was 65.2 MB in the beginning and 66.8 MB in the end (delta: -1.6 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX --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 de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:34:55,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:34:55,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:34:55,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:34:55,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:34:55,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:34:55,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:34:55,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:34:55,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:34:55,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:34:55,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:34:55,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:34:55,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:34:55,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:34:55,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:34:55,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:34:55,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:34:55,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:34:55,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:34:55,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:34:55,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:34:55,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:34:55,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:34:55,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:34:55,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:34:55,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:34:55,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:34:55,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:34:55,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:34:55,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:34:55,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:34:55,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:34:55,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:34:55,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:34:55,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:34:55,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:34:55,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:34:55,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:34:55,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:34:55,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:34:55,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:34:55,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-11-09 09:34:55,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:34:55,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:34:55,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:34:55,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:34:55,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:34:55,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:34:55,296 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:34:55,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:34:55,297 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:34:55,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:34:55,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:34:55,299 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 09:34:55,300 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 09:34:55,300 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 09:34:55,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:34:55,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 09:34:55,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-09 09:34:55,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-09 09:34:55,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:34:55,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:34:55,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:34:55,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:34:55,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:34:55,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:34:55,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:34:55,304 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-09 09:34:55,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-09 09:34:55,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:34:55,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-09 09:34:55,305 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_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 [2021-11-09 09:34:55,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:34:55,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:34:55,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:34:55,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:34:55,886 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:34:55,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-11-09 09:34:55,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data/98bf933a9/2ca31e34b1b7459e9fc62f8e8c746c15/FLAGedc201a00 [2021-11-09 09:34:56,983 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:34:56,983 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-11-09 09:34:57,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data/98bf933a9/2ca31e34b1b7459e9fc62f8e8c746c15/FLAGedc201a00 [2021-11-09 09:34:57,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/data/98bf933a9/2ca31e34b1b7459e9fc62f8e8c746c15 [2021-11-09 09:34:57,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:34:57,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 09:34:57,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:34:57,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:34:57,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:34:57,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:34:57" (1/1) ... [2021-11-09 09:34:57,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306898c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:57, skipping insertion in model container [2021-11-09 09:34:57,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:34:57" (1/1) ... [2021-11-09 09:34:57,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:34:57,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:34:58,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:34:58,856 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-09 09:34:58,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:34:58,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:34:58,962 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:34:59,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:34:59,285 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:34:59,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59 WrapperNode [2021-11-09 09:34:59,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:34:59,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:34:59,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:34:59,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:34:59,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (1/1) ... [2021-11-09 09:34:59,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (1/1) ... [2021-11-09 09:34:59,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (1/1) ... [2021-11-09 09:34:59,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (1/1) ... [2021-11-09 09:34:59,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (1/1) ... [2021-11-09 09:34:59,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (1/1) ... [2021-11-09 09:34:59,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (1/1) ... [2021-11-09 09:34:59,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:34:59,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:34:59,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:34:59,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:34:59,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (1/1) ... [2021-11-09 09:34:59,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:34:59,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:34:59,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:34:59,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:34:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-09 09:34:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:34:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-09 09:34:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-09 09:34:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-11-09 09:34:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-09 09:34:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-09 09:34:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2021-11-09 09:34:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2021-11-09 09:34:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2021-11-09 09:34:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2021-11-09 09:34:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure gethostid [2021-11-09 09:34:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2021-11-09 09:34:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2021-11-09 09:34:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2021-11-09 09:34:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2021-11-09 09:34:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2021-11-09 09:34:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2021-11-09 09:34:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-09 09:34:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-11-09 09:34:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-11-09 09:34:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-09 09:34:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-11-09 09:34:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-11-09 09:34:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-11-09 09:34:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-09 09:34:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-09 09:34:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-11-09 09:34:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-11-09 09:34:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-11-09 09:34:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-11-09 09:34:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:34:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-09 09:34:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-09 09:34:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2021-11-09 09:34:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2021-11-09 09:34:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2021-11-09 09:34:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2021-11-09 09:34:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2021-11-09 09:34:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2021-11-09 09:34:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2021-11-09 09:34:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2021-11-09 09:34:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2021-11-09 09:34:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2021-11-09 09:34:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2021-11-09 09:34:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2021-11-09 09:34:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2021-11-09 09:34:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2021-11-09 09:34:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2021-11-09 09:34:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2021-11-09 09:34:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2021-11-09 09:34:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure isctype [2021-11-09 09:34:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2021-11-09 09:34:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2021-11-09 09:34:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2021-11-09 09:34:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2021-11-09 09:34:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2021-11-09 09:34:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2021-11-09 09:34:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2021-11-09 09:34:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2021-11-09 09:34:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2021-11-09 09:34:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2021-11-09 09:34:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2021-11-09 09:34:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2021-11-09 09:34:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2021-11-09 09:34:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2021-11-09 09:34:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2021-11-09 09:34:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2021-11-09 09:34:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2021-11-09 09:34:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2021-11-09 09:34:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2021-11-09 09:34:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2021-11-09 09:34:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2021-11-09 09:34:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2021-11-09 09:34:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2021-11-09 09:34:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_cookie_init [2021-11-09 09:34:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-11-09 09:34:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-11-09 09:34:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-11-09 09:34:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-11-09 09:34:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-11-09 09:34:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-11-09 09:34:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-11-09 09:34:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-11-09 09:34:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-11-09 09:34:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-11-09 09:34:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-11-09 09:34:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-11-09 09:34:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-11-09 09:34:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-11-09 09:34:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-11-09 09:34:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-11-09 09:34:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-11-09 09:34:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-11-09 09:34:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-11-09 09:34:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-11-09 09:34:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-11-09 09:34:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-11-09 09:34:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile64 [2021-11-09 09:34:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-11-09 09:34:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-11-09 09:34:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-11-09 09:34:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-11-09 09:34:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-09 09:34:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-11-09 09:34:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure fcloseall [2021-11-09 09:34:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-11-09 09:34:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-11-09 09:34:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure fopen64 [2021-11-09 09:34:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure freopen64 [2021-11-09 09:34:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-11-09 09:34:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure fopencookie [2021-11-09 09:34:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-11-09 09:34:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-11-09 09:34:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-11-09 09:34:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-11-09 09:34:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-11-09 09:34:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-11-09 09:34:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-11-09 09:34:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-11-09 09:34:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-11-09 09:34:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-11-09 09:34:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-11-09 09:34:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-11-09 09:34:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-11-09 09:34:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-11-09 09:34:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2021-11-09 09:34:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure __asprintf [2021-11-09 09:34:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure asprintf [2021-11-09 09:34:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-11-09 09:34:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-11-09 09:34:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-11-09 09:34:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-11-09 09:34:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-11-09 09:34:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-11-09 09:34:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-11-09 09:34:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-11-09 09:34:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-11-09 09:34:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-11-09 09:34:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-11-09 09:34:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-11-09 09:34:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-11-09 09:34:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-11-09 09:34:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-11-09 09:34:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-11-09 09:34:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-11-09 09:34:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-11-09 09:34:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-11-09 09:34:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-11-09 09:34:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-11-09 09:34:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-11-09 09:34:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-11-09 09:34:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure fgets_unlocked [2021-11-09 09:34:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-11-09 09:34:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-11-09 09:34:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-11-09 09:34:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-11-09 09:34:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-09 09:34:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-11-09 09:34:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-11-09 09:34:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-11-09 09:34:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure fputs_unlocked [2021-11-09 09:34:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-11-09 09:34:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-11-09 09:34:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-11-09 09:34:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-11-09 09:34:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-11-09 09:34:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-11-09 09:34:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-11-09 09:34:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-11-09 09:34:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-11-09 09:34:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko64 [2021-11-09 09:34:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure ftello64 [2021-11-09 09:34:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos64 [2021-11-09 09:34:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos64 [2021-11-09 09:34:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-11-09 09:34:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-11-09 09:34:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-11-09 09:34:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-11-09 09:34:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-11-09 09:34:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-11-09 09:34:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-11-09 09:34:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-11-09 09:34:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-11-09 09:34:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-11-09 09:34:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-11-09 09:34:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-11-09 09:34:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure cuserid [2021-11-09 09:34:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure obstack_printf [2021-11-09 09:34:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure obstack_vprintf [2021-11-09 09:34:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-11-09 09:34:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-11-09 09:34:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-11-09 09:34:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure access [2021-11-09 09:34:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure euidaccess [2021-11-09 09:34:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure eaccess [2021-11-09 09:34:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2021-11-09 09:34:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2021-11-09 09:34:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure lseek64 [2021-11-09 09:34:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure close [2021-11-09 09:34:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure read [2021-11-09 09:34:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure write [2021-11-09 09:34:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2021-11-09 09:34:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2021-11-09 09:34:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure pread64 [2021-11-09 09:34:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite64 [2021-11-09 09:34:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2021-11-09 09:34:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure pipe2 [2021-11-09 09:34:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2021-11-09 09:34:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-11-09 09:34:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2021-11-09 09:34:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2021-11-09 09:34:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2021-11-09 09:34:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2021-11-09 09:34:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2021-11-09 09:34:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2021-11-09 09:34:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2021-11-09 09:34:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2021-11-09 09:34:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2021-11-09 09:34:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2021-11-09 09:34:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure get_current_dir_name [2021-11-09 09:34:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2021-11-09 09:34:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2021-11-09 09:34:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2021-11-09 09:34:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure dup3 [2021-11-09 09:34:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2021-11-09 09:34:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2021-11-09 09:34:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2021-11-09 09:34:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2021-11-09 09:34:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2021-11-09 09:34:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2021-11-09 09:34:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2021-11-09 09:34:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure execvpe [2021-11-09 09:34:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2021-11-09 09:34:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2021-11-09 09:34:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2021-11-09 09:34:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2021-11-09 09:34:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2021-11-09 09:34:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2021-11-09 09:34:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2021-11-09 09:34:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2021-11-09 09:34:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2021-11-09 09:34:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2021-11-09 09:34:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2021-11-09 09:34:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2021-11-09 09:34:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2021-11-09 09:34:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2021-11-09 09:34:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2021-11-09 09:34:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2021-11-09 09:34:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2021-11-09 09:34:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2021-11-09 09:34:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2021-11-09 09:34:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2021-11-09 09:34:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure group_member [2021-11-09 09:34:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2021-11-09 09:34:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2021-11-09 09:34:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2021-11-09 09:34:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2021-11-09 09:34:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2021-11-09 09:34:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2021-11-09 09:34:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure getresuid [2021-11-09 09:34:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure getresgid [2021-11-09 09:34:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure setresuid [2021-11-09 09:34:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure setresgid [2021-11-09 09:34:59,674 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2021-11-09 09:34:59,674 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2021-11-09 09:34:59,674 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2021-11-09 09:34:59,674 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2021-11-09 09:34:59,674 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2021-11-09 09:34:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2021-11-09 09:34:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure link [2021-11-09 09:34:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2021-11-09 09:34:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2021-11-09 09:34:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2021-11-09 09:34:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2021-11-09 09:34:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2021-11-09 09:34:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2021-11-09 09:34:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2021-11-09 09:34:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2021-11-09 09:34:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2021-11-09 09:34:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2021-11-09 09:34:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2021-11-09 09:34:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2021-11-09 09:34:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2021-11-09 09:34:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2021-11-09 09:34:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2021-11-09 09:34:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2021-11-09 09:34:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2021-11-09 09:34:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2021-11-09 09:34:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2021-11-09 09:34:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2021-11-09 09:34:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2021-11-09 09:34:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2021-11-09 09:34:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2021-11-09 09:34:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2021-11-09 09:34:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2021-11-09 09:34:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2021-11-09 09:34:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2021-11-09 09:34:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2021-11-09 09:34:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2021-11-09 09:34:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure syncfs [2021-11-09 09:34:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2021-11-09 09:34:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2021-11-09 09:34:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2021-11-09 09:34:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2021-11-09 09:34:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2021-11-09 09:34:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure truncate64 [2021-11-09 09:34:59,682 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2021-11-09 09:34:59,682 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate64 [2021-11-09 09:34:59,682 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2021-11-09 09:34:59,682 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2021-11-09 09:34:59,682 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2021-11-09 09:34:59,682 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2021-11-09 09:34:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure lockf64 [2021-11-09 09:34:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2021-11-09 09:34:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure crypt [2021-11-09 09:34:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure encrypt [2021-11-09 09:34:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure swab [2021-11-09 09:34:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-09 09:34:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-09 09:34:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-09 09:34:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-09 09:34:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-09 09:34:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-09 09:34:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-09 09:34:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-09 09:34:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-09 09:34:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-09 09:34:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-09 09:34:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-09 09:34:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-09 09:34:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-09 09:34:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtol_l [2021-11-09 09:34:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul_l [2021-11-09 09:34:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll_l [2021-11-09 09:34:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull_l [2021-11-09 09:34:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtod_l [2021-11-09 09:34:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtof_l [2021-11-09 09:34:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtold_l [2021-11-09 09:34:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-09 09:34:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-09 09:34:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-09 09:34:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-09 09:34:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-09 09:34:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-09 09:34:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-09 09:34:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-09 09:34:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-09 09:34:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-09 09:34:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-09 09:34:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-09 09:34:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-09 09:34:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-09 09:34:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-09 09:34:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-09 09:34:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-09 09:34:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-09 09:34:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-09 09:34:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-09 09:34:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-09 09:34:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-09 09:34:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-09 09:34:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-09 09:34:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-09 09:34:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-09 09:34:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-09 09:34:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-09 09:34:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-09 09:34:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-09 09:34:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-09 09:34:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-09 09:34:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-09 09:34:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-09 09:34:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-09 09:34:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-09 09:34:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-09 09:34:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-09 09:34:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-09 09:34:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-09 09:34:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-11-09 09:34:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-09 09:34:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-09 09:34:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-09 09:34:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-09 09:34:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-09 09:34:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-09 09:34:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-09 09:34:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-09 09:34:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-09 09:34:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-09 09:34:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-09 09:34:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure secure_getenv [2021-11-09 09:34:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-09 09:34:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-09 09:34:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-09 09:34:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-09 09:34:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-09 09:34:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-09 09:34:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp64 [2021-11-09 09:34:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-09 09:34:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps64 [2021-11-09 09:34:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-09 09:34:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemp [2021-11-09 09:34:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemp64 [2021-11-09 09:34:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemps [2021-11-09 09:34:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkostemps64 [2021-11-09 09:34:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-09 09:34:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure canonicalize_file_name [2021-11-09 09:34:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-09 09:34:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-09 09:34:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-09 09:34:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure qsort_r [2021-11-09 09:34:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-09 09:34:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-09 09:34:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-09 09:34:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-09 09:34:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-09 09:34:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-09 09:34:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-09 09:34:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-09 09:34:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-09 09:34:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-09 09:34:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-09 09:34:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-09 09:34:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-09 09:34:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-09 09:34:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-09 09:34:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-09 09:34:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-09 09:34:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-09 09:34:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-09 09:34:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-09 09:34:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-09 09:34:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-09 09:34:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-09 09:34:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure setkey [2021-11-09 09:34:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2021-11-09 09:34:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure grantpt [2021-11-09 09:34:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure unlockpt [2021-11-09 09:34:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure ptsname [2021-11-09 09:34:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure ptsname_r [2021-11-09 09:34:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure getpt [2021-11-09 09:34:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-09 09:34:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2021-11-09 09:34:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2021-11-09 09:34:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2021-11-09 09:34:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2021-11-09 09:34:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2021-11-09 09:34:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2021-11-09 09:34:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2021-11-09 09:34:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2021-11-09 09:34:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure futimesat [2021-11-09 09:34:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2021-11-09 09:34:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure login [2021-11-09 09:34:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2021-11-09 09:34:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2021-11-09 09:34:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2021-11-09 09:34:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2021-11-09 09:34:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2021-11-09 09:34:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2021-11-09 09:34:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2021-11-09 09:34:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2021-11-09 09:34:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2021-11-09 09:34:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2021-11-09 09:34:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2021-11-09 09:34:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2021-11-09 09:34:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2021-11-09 09:34:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-09 09:34:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2021-11-09 09:34:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2021-11-09 09:34:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-09 09:34:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-09 09:34:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-11-09 09:34:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure rawmemchr [2021-11-09 09:34:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure memrchr [2021-11-09 09:34:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-11-09 09:34:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-09 09:34:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-09 09:34:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-11-09 09:34:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-11-09 09:34:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-09 09:34:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2021-11-09 09:34:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2021-11-09 09:34:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2021-11-09 09:34:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2021-11-09 09:34:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2021-11-09 09:34:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2021-11-09 09:34:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2021-11-09 09:34:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-09 09:34:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure strchrnul [2021-11-09 09:34:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2021-11-09 09:34:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2021-11-09 09:34:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2021-11-09 09:34:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-09 09:34:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2021-11-09 09:34:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2021-11-09 09:34:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2021-11-09 09:34:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure strcasestr [2021-11-09 09:34:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure memmem [2021-11-09 09:34:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure __mempcpy [2021-11-09 09:34:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure mempcpy [2021-11-09 09:34:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2021-11-09 09:34:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-09 09:34:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-11-09 09:34:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2021-11-09 09:34:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2021-11-09 09:34:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2021-11-09 09:34:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2021-11-09 09:34:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2021-11-09 09:34:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2021-11-09 09:34:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure index [2021-11-09 09:34:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2021-11-09 09:34:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-09 09:34:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2021-11-09 09:34:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2021-11-09 09:34:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-11-09 09:34:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2021-11-09 09:34:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2021-11-09 09:34:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2021-11-09 09:34:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-11-09 09:34:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2021-11-09 09:34:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2021-11-09 09:34:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2021-11-09 09:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2021-11-09 09:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2021-11-09 09:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure strverscmp [2021-11-09 09:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure strfry [2021-11-09 09:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure memfrob [2021-11-09 09:34:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure basename [2021-11-09 09:34:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2021-11-09 09:34:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2021-11-09 09:34:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2021-11-09 09:34:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2021-11-09 09:34:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 09:34:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-09 09:34:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-09 09:34:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-09 09:34:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-09 09:34:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-09 09:34:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:34:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 09:34:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-09 09:34:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:34:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-09 09:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-09 09:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-09 09:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-09 09:35:02,603 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:35:02,603 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 09:35:02,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:02 BoogieIcfgContainer [2021-11-09 09:35:02,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:35:02,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:35:02,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:35:02,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:35:02,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:34:57" (1/3) ... [2021-11-09 09:35:02,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de8627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:35:02, skipping insertion in model container [2021-11-09 09:35:02,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:59" (2/3) ... [2021-11-09 09:35:02,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de8627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:35:02, skipping insertion in model container [2021-11-09 09:35:02,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:02" (3/3) ... [2021-11-09 09:35:02,624 INFO L111 eAbstractionObserver]: Analyzing ICFG hostid.i [2021-11-09 09:35:02,631 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:35:02,631 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2021-11-09 09:35:02,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:35:02,703 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:35:02,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2021-11-09 09:35:02,725 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) [2021-11-09 09:35:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-09 09:35:02,734 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:02,734 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:02,735 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:02,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:02,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1215657922, now seen corresponding path program 1 times [2021-11-09 09:35:02,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:02,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014267611] [2021-11-09 09:35:02,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:02,760 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:02,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:02,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:02,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-09 09:35:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:03,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:35:03,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:03,525 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 [2021-11-09 09:35:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:03,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:03,600 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:03,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014267611] [2021-11-09 09:35:03,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014267611] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:03,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:03,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-09 09:35:03,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911015691] [2021-11-09 09:35:03,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:35:03,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:03,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:35:03,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:03,650 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) [2021-11-09 09:35:04,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:04,205 INFO L93 Difference]: Finished difference Result 127 states and 132 transitions. [2021-11-09 09:35:04,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:35:04,207 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 [2021-11-09 09:35:04,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:04,219 INFO L225 Difference]: With dead ends: 127 [2021-11-09 09:35:04,219 INFO L226 Difference]: Without dead ends: 124 [2021-11-09 09:35:04,221 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:04,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-09 09:35:04,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2021-11-09 09:35:04,277 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) [2021-11-09 09:35:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 112 transitions. [2021-11-09 09:35:04,281 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 112 transitions. Word has length 7 [2021-11-09 09:35:04,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:04,282 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 112 transitions. [2021-11-09 09:35:04,282 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) [2021-11-09 09:35:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2021-11-09 09:35:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-09 09:35:04,283 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:04,283 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:04,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:04,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:04,499 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:04,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:04,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1215657923, now seen corresponding path program 1 times [2021-11-09 09:35:04,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:04,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555095711] [2021-11-09 09:35:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:04,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:04,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:04,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:04,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-09 09:35:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:05,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:35:05,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:05,084 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 [2021-11-09 09:35:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:05,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:05,276 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:05,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555095711] [2021-11-09 09:35:05,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555095711] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:05,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:05,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-09 09:35:05,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413975540] [2021-11-09 09:35:05,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:35:05,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:05,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:35:05,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:35:05,281 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) [2021-11-09 09:35:06,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:06,065 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2021-11-09 09:35:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:35:06,066 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 [2021-11-09 09:35:06,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:06,068 INFO L225 Difference]: With dead ends: 107 [2021-11-09 09:35:06,068 INFO L226 Difference]: Without dead ends: 107 [2021-11-09 09:35:06,069 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:35:06,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-09 09:35:06,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-09 09:35:06,080 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) [2021-11-09 09:35:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 111 transitions. [2021-11-09 09:35:06,084 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 111 transitions. Word has length 7 [2021-11-09 09:35:06,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:06,084 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 111 transitions. [2021-11-09 09:35:06,084 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) [2021-11-09 09:35:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2021-11-09 09:35:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-09 09:35:06,085 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:06,086 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:06,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:06,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:06,290 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr3REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:06,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:06,291 INFO L85 PathProgramCache]: Analyzing trace with hash 500942492, now seen corresponding path program 1 times [2021-11-09 09:35:06,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:06,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886933472] [2021-11-09 09:35:06,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:06,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:06,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:06,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:06,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-09 09:35:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:06,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:35:06,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:06,917 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 [2021-11-09 09:35:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:07,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:07,683 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:07,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886933472] [2021-11-09 09:35:07,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886933472] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:07,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:07,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-09 09:35:07,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960083867] [2021-11-09 09:35:07,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:07,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:07,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:07,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:07,687 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) [2021-11-09 09:35:09,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:09,821 INFO L93 Difference]: Finished difference Result 116 states and 122 transitions. [2021-11-09 09:35:09,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:35:09,822 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 [2021-11-09 09:35:09,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:09,825 INFO L225 Difference]: With dead ends: 116 [2021-11-09 09:35:09,825 INFO L226 Difference]: Without dead ends: 116 [2021-11-09 09:35:09,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:35:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-09 09:35:09,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2021-11-09 09:35:09,853 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) [2021-11-09 09:35:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2021-11-09 09:35:09,865 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 10 [2021-11-09 09:35:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:09,866 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2021-11-09 09:35:09,866 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) [2021-11-09 09:35:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2021-11-09 09:35:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-09 09:35:09,871 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:09,872 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:09,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:10,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:10,087 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:10,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:10,088 INFO L85 PathProgramCache]: Analyzing trace with hash -291216350, now seen corresponding path program 1 times [2021-11-09 09:35:10,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:10,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179563648] [2021-11-09 09:35:10,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:10,089 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:10,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:10,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:10,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-09 09:35:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:10,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 09:35:10,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:10,663 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 [2021-11-09 09:35:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:10,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:13,671 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:13,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179563648] [2021-11-09 09:35:13,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179563648] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-09 09:35:13,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:35:13,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-11-09 09:35:13,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182191144] [2021-11-09 09:35:13,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-09 09:35:13,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:13,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-09 09:35:13,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-09 09:35:13,674 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) [2021-11-09 09:35:17,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:17,019 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2021-11-09 09:35:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 09:35:17,020 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 [2021-11-09 09:35:17,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:17,022 INFO L225 Difference]: With dead ends: 123 [2021-11-09 09:35:17,022 INFO L226 Difference]: Without dead ends: 123 [2021-11-09 09:35:17,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-11-09 09:35:17,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-11-09 09:35:17,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2021-11-09 09:35:17,035 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) [2021-11-09 09:35:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 127 transitions. [2021-11-09 09:35:17,037 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 127 transitions. Word has length 18 [2021-11-09 09:35:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:17,038 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 127 transitions. [2021-11-09 09:35:17,038 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) [2021-11-09 09:35:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2021-11-09 09:35:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-09 09:35:17,040 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:17,040 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:17,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:17,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:17,247 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr4REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1166518063, now seen corresponding path program 1 times [2021-11-09 09:35:17,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:17,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363483642] [2021-11-09 09:35:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:17,249 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:17,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:17,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:17,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-09 09:35:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:17,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-09 09:35:17,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:18,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:18,366 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:18,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363483642] [2021-11-09 09:35:18,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363483642] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-09 09:35:18,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:35:18,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-11-09 09:35:18,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632204068] [2021-11-09 09:35:18,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-09 09:35:18,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:18,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-09 09:35:18,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-09 09:35:18,372 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) [2021-11-09 09:35:18,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:18,848 INFO L93 Difference]: Finished difference Result 143 states and 147 transitions. [2021-11-09 09:35:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-09 09:35:18,855 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 [2021-11-09 09:35:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:18,857 INFO L225 Difference]: With dead ends: 143 [2021-11-09 09:35:18,857 INFO L226 Difference]: Without dead ends: 143 [2021-11-09 09:35:18,858 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2021-11-09 09:35:18,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-09 09:35:18,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2021-11-09 09:35:18,876 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) [2021-11-09 09:35:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2021-11-09 09:35:18,885 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 37 [2021-11-09 09:35:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:18,886 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2021-11-09 09:35:18,886 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) [2021-11-09 09:35:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2021-11-09 09:35:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-09 09:35:18,888 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:18,889 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:18,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:19,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:19,090 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr4REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:19,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:19,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1328968896, now seen corresponding path program 2 times [2021-11-09 09:35:19,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:19,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653262722] [2021-11-09 09:35:19,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 09:35:19,091 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:19,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:19,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-09 09:35:19,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-09 09:35:19,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:35:19,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:35:19,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:19,850 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-09 09:35:19,851 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 [2021-11-09 09:35:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:19,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:20,084 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:20,085 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:20,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653262722] [2021-11-09 09:35:20,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653262722] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:20,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:20,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-09 09:35:20,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363189750] [2021-11-09 09:35:20,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:35:20,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:20,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:35:20,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:20,094 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) [2021-11-09 09:35:20,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:20,501 INFO L93 Difference]: Finished difference Result 154 states and 159 transitions. [2021-11-09 09:35:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:35:20,503 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 [2021-11-09 09:35:20,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:20,505 INFO L225 Difference]: With dead ends: 154 [2021-11-09 09:35:20,505 INFO L226 Difference]: Without dead ends: 154 [2021-11-09 09:35:20,505 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:20,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-09 09:35:20,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 138. [2021-11-09 09:35:20,513 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) [2021-11-09 09:35:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2021-11-09 09:35:20,514 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 57 [2021-11-09 09:35:20,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:20,515 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2021-11-09 09:35:20,516 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) [2021-11-09 09:35:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2021-11-09 09:35:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-09 09:35:20,518 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:20,519 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:20,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:20,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:20,735 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr5REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:20,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:20,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1328968895, now seen corresponding path program 1 times [2021-11-09 09:35:20,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:20,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68184909] [2021-11-09 09:35:20,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:20,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:20,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:20,739 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:20,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-09 09:35:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:21,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-09 09:35:21,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:21,807 INFO L354 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2021-11-09 09:35:21,807 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 30 treesize of output 31 [2021-11-09 09:35:21,815 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 32 treesize of output 30 [2021-11-09 09:35:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:21,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:22,750 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:22,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68184909] [2021-11-09 09:35:22,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68184909] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:22,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:22,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-09 09:35:22,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317146418] [2021-11-09 09:35:22,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:35:22,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:22,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:35:22,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:35:22,752 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) [2021-11-09 09:35:24,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:24,493 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2021-11-09 09:35:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:24,503 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 [2021-11-09 09:35:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:24,505 INFO L225 Difference]: With dead ends: 170 [2021-11-09 09:35:24,505 INFO L226 Difference]: Without dead ends: 170 [2021-11-09 09:35:24,506 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-09 09:35:24,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-09 09:35:24,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 150. [2021-11-09 09:35:24,513 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) [2021-11-09 09:35:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 165 transitions. [2021-11-09 09:35:24,515 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 165 transitions. Word has length 57 [2021-11-09 09:35:24,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:24,516 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 165 transitions. [2021-11-09 09:35:24,516 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) [2021-11-09 09:35:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 165 transitions. [2021-11-09 09:35:24,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-09 09:35:24,518 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:24,519 INFO L513 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] [2021-11-09 09:35:24,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:24,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:24,735 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr7REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:24,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:24,735 INFO L85 PathProgramCache]: Analyzing trace with hash -303794314, now seen corresponding path program 1 times [2021-11-09 09:35:24,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:24,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645426299] [2021-11-09 09:35:24,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:24,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:24,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:24,738 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:24,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-09 09:35:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:25,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 09:35:25,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:25,907 INFO L354 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2021-11-09 09:35:25,907 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 26 treesize of output 27 [2021-11-09 09:35:26,549 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-09 09:35:26,549 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 49 treesize of output 58 [2021-11-09 09:35:26,563 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 09:35:26,563 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 52 treesize of output 48 [2021-11-09 09:35:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:26,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:30,920 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-09 09:35:30,921 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 47 treesize of output 46 [2021-11-09 09:35:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:34,256 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:34,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645426299] [2021-11-09 09:35:34,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645426299] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:34,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:34,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-09 09:35:34,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042134637] [2021-11-09 09:35:34,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-09 09:35:34,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:34,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-09 09:35:34,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=162, Unknown=2, NotChecked=0, Total=210 [2021-11-09 09:35:34,258 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) [2021-11-09 09:35:39,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:39,149 INFO L93 Difference]: Finished difference Result 220 states and 229 transitions. [2021-11-09 09:35:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-09 09:35:39,151 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 [2021-11-09 09:35:39,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:39,156 INFO L225 Difference]: With dead ends: 220 [2021-11-09 09:35:39,157 INFO L226 Difference]: Without dead ends: 220 [2021-11-09 09:35:39,157 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=121, Invalid=339, Unknown=2, NotChecked=0, Total=462 [2021-11-09 09:35:39,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-09 09:35:39,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 150. [2021-11-09 09:35:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 137 states have internal predecessors, (149), 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) [2021-11-09 09:35:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 162 transitions. [2021-11-09 09:35:39,166 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 162 transitions. Word has length 60 [2021-11-09 09:35:39,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:39,167 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 162 transitions. [2021-11-09 09:35:39,167 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) [2021-11-09 09:35:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 162 transitions. [2021-11-09 09:35:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-09 09:35:39,169 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:39,169 INFO L513 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] [2021-11-09 09:35:39,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:39,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:39,379 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr10REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:39,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:39,379 INFO L85 PathProgramCache]: Analyzing trace with hash -840281906, now seen corresponding path program 1 times [2021-11-09 09:35:39,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:39,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138234021] [2021-11-09 09:35:39,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:39,380 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:39,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:39,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:39,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-09 09:35:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:40,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:35:40,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:40,497 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-09 09:35:40,497 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 [2021-11-09 09:35:40,587 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-09 09:35:40,587 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 18 treesize of output 23 [2021-11-09 09:35:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:40,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:40,870 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:40,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138234021] [2021-11-09 09:35:40,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138234021] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:40,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:40,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-09 09:35:40,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068413914] [2021-11-09 09:35:40,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:35:40,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:40,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:35:40,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:40,873 INFO L87 Difference]: Start difference. First operand 150 states and 162 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) [2021-11-09 09:35:41,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:35:41,210 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions. [2021-11-09 09:35:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:35:41,211 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 [2021-11-09 09:35:41,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:35:41,212 INFO L225 Difference]: With dead ends: 157 [2021-11-09 09:35:41,213 INFO L226 Difference]: Without dead ends: 157 [2021-11-09 09:35:41,213 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:41,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-09 09:35:41,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2021-11-09 09:35:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 141 states have internal predecessors, (156), 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) [2021-11-09 09:35:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 169 transitions. [2021-11-09 09:35:41,221 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 169 transitions. Word has length 63 [2021-11-09 09:35:41,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:35:41,221 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 169 transitions. [2021-11-09 09:35:41,222 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) [2021-11-09 09:35:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 169 transitions. [2021-11-09 09:35:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-09 09:35:41,224 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:35:41,224 INFO L513 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] [2021-11-09 09:35:41,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-11-09 09:35:41,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:35:41,448 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr11REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:35:41,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash -840281905, now seen corresponding path program 1 times [2021-11-09 09:35:41,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:35:41,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635254515] [2021-11-09 09:35:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:41,449 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:35:41,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:35:41,450 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:35:41,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-09 09:35:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:42,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 09:35:42,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:35:42,762 INFO L354 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2021-11-09 09:35:42,762 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 35 treesize of output 36 [2021-11-09 09:35:42,806 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-09 09:35:42,807 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 36 treesize of output 40 [2021-11-09 09:35:43,628 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-09 09:35:43,628 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 61 treesize of output 66 [2021-11-09 09:35:43,650 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-09 09:35:43,651 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 60 treesize of output 54 [2021-11-09 09:35:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:44,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:46,832 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 59 treesize of output 57 [2021-11-09 09:35:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:35:47,382 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:35:47,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635254515] [2021-11-09 09:35:47,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635254515] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:47,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:47,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-09 09:35:47,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117393611] [2021-11-09 09:35:47,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 09:35:47,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:35:47,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 09:35:47,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-09 09:35:47,390 INFO L87 Difference]: Start difference. First operand 154 states and 169 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) [2021-11-09 09:36:15,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:36:15,496 INFO L93 Difference]: Finished difference Result 254 states and 265 transitions. [2021-11-09 09:36:15,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-09 09:36:15,497 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 [2021-11-09 09:36:15,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:36:15,500 INFO L225 Difference]: With dead ends: 254 [2021-11-09 09:36:15,500 INFO L226 Difference]: Without dead ends: 254 [2021-11-09 09:36:15,501 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 22.7s TimeCoverageRelationStatistics Valid=130, Invalid=375, Unknown=1, NotChecked=0, Total=506 [2021-11-09 09:36:15,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-09 09:36:15,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 157. [2021-11-09 09:36:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 144 states have internal predecessors, (157), 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) [2021-11-09 09:36:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 170 transitions. [2021-11-09 09:36:15,510 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 170 transitions. Word has length 63 [2021-11-09 09:36:15,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:36:15,510 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 170 transitions. [2021-11-09 09:36:15,511 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) [2021-11-09 09:36:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2021-11-09 09:36:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-09 09:36:15,512 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:36:15,513 INFO L513 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] [2021-11-09 09:36:15,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:15,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:36:15,714 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr14REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:36:15,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1768790020, now seen corresponding path program 1 times [2021-11-09 09:36:15,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:36:15,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436792930] [2021-11-09 09:36:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:15,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:36:15,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:36:15,716 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:36:15,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-09 09:36:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:16,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:36:16,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:17,176 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 [2021-11-09 09:36:17,227 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 25 treesize of output 21 [2021-11-09 09:36:17,480 INFO L354 Elim1Store]: treesize reduction 46, result has 20.7 percent of original size [2021-11-09 09:36:17,481 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 41 treesize of output 31 [2021-11-09 09:36:17,669 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 09:36:17,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 43 treesize of output 15 [2021-11-09 09:36:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:36:17,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:36:19,847 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.base (_ BitVec 64))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse0 (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64)))) (select (select (store |c_#memory_$Pointer$.base| main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| main_~mem_track~0.base) (bvadd c_main_~mem_track~0.offset .cse0) |c_main_#t~mem127.base|)) c_main_~argv~0.base) (bvadd c_main_~argv~0.offset .cse0)))))))))) is different from false [2021-11-09 09:36:21,906 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.base (_ BitVec 64))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse0 (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64)))) (let ((.cse1 (bvadd c_main_~argv~0.offset .cse0))) (select (select (store |c_#memory_$Pointer$.base| main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| main_~mem_track~0.base) (bvadd c_main_~mem_track~0.offset .cse0) (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse1))) c_main_~argv~0.base) .cse1)))))))) (_ bv1 1)))) is different from false [2021-11-09 09:36:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:36:22,117 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:36:22,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436792930] [2021-11-09 09:36:22,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436792930] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:36:22,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:36:22,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2021-11-09 09:36:22,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427039532] [2021-11-09 09:36:22,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-09 09:36:22,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:36:22,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-09 09:36:22,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=65, Unknown=2, NotChecked=34, Total=132 [2021-11-09 09:36:22,119 INFO L87 Difference]: Start difference. First operand 157 states and 170 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) [2021-11-09 09:36:38,892 WARN L207 SmtUtils]: Spent 14.29 s on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2021-11-09 09:36:54,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:36:54,280 INFO L93 Difference]: Finished difference Result 155 states and 167 transitions. [2021-11-09 09:36:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 09:36:54,281 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 [2021-11-09 09:36:54,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:36:54,283 INFO L225 Difference]: With dead ends: 155 [2021-11-09 09:36:54,283 INFO L226 Difference]: Without dead ends: 155 [2021-11-09 09:36:54,284 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 121 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 29.0s TimeCoverageRelationStatistics Valid=51, Invalid=108, Unknown=5, NotChecked=46, Total=210 [2021-11-09 09:36:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-09 09:36:54,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-11-09 09:36:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 122 states have (on average 1.2622950819672132) internal successors, (154), 142 states have internal predecessors, (154), 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) [2021-11-09 09:36:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 167 transitions. [2021-11-09 09:36:54,292 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 167 transitions. Word has length 66 [2021-11-09 09:36:54,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:36:54,293 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 167 transitions. [2021-11-09 09:36:54,294 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) [2021-11-09 09:36:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 167 transitions. [2021-11-09 09:36:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-09 09:36:54,296 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:36:54,296 INFO L513 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] [2021-11-09 09:36:54,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:54,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:36:54,509 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr15REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:36:54,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:54,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1768790019, now seen corresponding path program 1 times [2021-11-09 09:36:54,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:36:54,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196896475] [2021-11-09 09:36:54,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:54,511 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:36:54,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:36:54,512 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:36:54,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-09 09:36:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:55,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-09 09:36:55,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:55,989 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 [2021-11-09 09:36:56,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 09:36:56,111 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 22 treesize of output 18 [2021-11-09 09:36:56,136 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 16 treesize of output 12 [2021-11-09 09:36:56,410 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:36:56,410 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 63 treesize of output 62 [2021-11-09 09:36:56,482 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:36:56,482 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 47 treesize of output 46 [2021-11-09 09:36:56,622 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 51 treesize of output 33 [2021-11-09 09:36:56,629 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 30 treesize of output 12 [2021-11-09 09:36:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:36:56,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:37:09,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:37:09,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:37:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:37:09,587 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:37:09,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196896475] [2021-11-09 09:37:09,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196896475] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:37:09,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:37:09,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-09 09:37:09,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88376987] [2021-11-09 09:37:09,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 09:37:09,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:37:09,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 09:37:09,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=79, Unknown=2, NotChecked=0, Total=110 [2021-11-09 09:37:09,590 INFO L87 Difference]: Start difference. First operand 155 states and 167 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) [2021-11-09 09:37:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:37:11,670 INFO L93 Difference]: Finished difference Result 154 states and 165 transitions. [2021-11-09 09:37:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:37:11,672 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 [2021-11-09 09:37:11,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:37:11,674 INFO L225 Difference]: With dead ends: 154 [2021-11-09 09:37:11,674 INFO L226 Difference]: Without dead ends: 154 [2021-11-09 09:37:11,674 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=53, Invalid=127, Unknown=2, NotChecked=0, Total=182 [2021-11-09 09:37:11,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-09 09:37:11,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-11-09 09:37:11,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 122 states have (on average 1.2459016393442623) internal successors, (152), 141 states have internal predecessors, (152), 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) [2021-11-09 09:37:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 165 transitions. [2021-11-09 09:37:11,682 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 165 transitions. Word has length 66 [2021-11-09 09:37:11,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:37:11,682 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 165 transitions. [2021-11-09 09:37:11,683 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) [2021-11-09 09:37:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 165 transitions. [2021-11-09 09:37:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-09 09:37:11,684 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:37:11,685 INFO L513 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] [2021-11-09 09:37:11,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-09 09:37:11,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:37:11,899 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr18REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:37:11,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:37:11,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1224029017, now seen corresponding path program 1 times [2021-11-09 09:37:11,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:37:11,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238622789] [2021-11-09 09:37:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:37:11,901 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:37:11,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:37:11,903 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:37:11,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-09 09:37:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:37:13,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 09:37:13,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:37:13,693 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 13 treesize of output 11 [2021-11-09 09:37:13,866 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-09 09:37:13,867 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 25 treesize of output 32 [2021-11-09 09:37:14,027 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 29 treesize of output 25 [2021-11-09 09:37:14,498 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:37:14,499 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 51 treesize of output 41 [2021-11-09 09:37:15,123 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:37:15,123 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 77 treesize of output 43 [2021-11-09 09:37:15,284 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 63 treesize of output 36 [2021-11-09 09:37:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:37:15,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:37:24,038 WARN L838 $PredicateComparison]: unable to prove that (forall ((|main_#t~mem128.offset| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse1 (bvadd c_main_~argv~0.offset (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64))))) (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse1))) (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) (bvadd (_ bv10 64) |main_#t~mem128.offset|) v_DerPreprocessor_1))) c_main_~argv~0.base) .cse1))))))))) (_ bv1 1)))) is different from false [2021-11-09 09:37:26,120 WARN L838 $PredicateComparison]: unable to prove that (forall ((main_~mem_track~0.offset (_ BitVec 64)) (|main_#t~mem127.base| (_ BitVec 64)) (|main_#t~mem128.offset| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse3 (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64)))) (let ((.cse2 (bvadd c_main_~argv~0.offset .cse3))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd main_~mem_track~0.offset .cse3) |main_#t~mem127.base|)))) (let ((.cse1 (select (select .cse0 c_main_~argv~0.base) .cse2))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd (_ bv10 64) |main_#t~mem128.offset|) v_DerPreprocessor_1)))) c_main_~argv~0.base) .cse2)))))))))) (_ bv1 1)))) is different from false [2021-11-09 09:37:36,010 INFO L354 Elim1Store]: treesize reduction 9, result has 81.6 percent of original size [2021-11-09 09:37:36,011 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 76 treesize of output 107 [2021-11-09 09:37:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:37:36,648 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:37:36,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238622789] [2021-11-09 09:37:36,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238622789] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:37:36,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:37:36,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 15 [2021-11-09 09:37:36,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854976516] [2021-11-09 09:37:36,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-09 09:37:36,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:37:36,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-09 09:37:36,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=138, Unknown=6, NotChecked=50, Total=240 [2021-11-09 09:37:36,651 INFO L87 Difference]: Start difference. First operand 154 states and 165 transitions. Second operand has 16 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 16 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) [2021-11-09 09:37:41,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:37:41,612 INFO L93 Difference]: Finished difference Result 177 states and 189 transitions. [2021-11-09 09:37:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-09 09:37:41,613 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 16 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 [2021-11-09 09:37:41,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:37:41,614 INFO L225 Difference]: With dead ends: 177 [2021-11-09 09:37:41,615 INFO L226 Difference]: Without dead ends: 177 [2021-11-09 09:37:41,615 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=104, Invalid=278, Unknown=6, NotChecked=74, Total=462 [2021-11-09 09:37:41,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-09 09:37:41,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 163. [2021-11-09 09:37:41,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 131 states have (on average 1.2671755725190839) internal successors, (166), 150 states have internal predecessors, (166), 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) [2021-11-09 09:37:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 179 transitions. [2021-11-09 09:37:41,623 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 179 transitions. Word has length 70 [2021-11-09 09:37:41,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:37:41,624 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 179 transitions. [2021-11-09 09:37:41,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 16 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) [2021-11-09 09:37:41,624 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 179 transitions. [2021-11-09 09:37:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-09 09:37:41,625 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:37:41,626 INFO L513 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] [2021-11-09 09:37:41,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-09 09:37:41,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:37:41,839 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr19REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:37:41,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:37:41,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1224029016, now seen corresponding path program 1 times [2021-11-09 09:37:41,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:37:41,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55305056] [2021-11-09 09:37:41,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:37:41,840 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:37:41,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:37:41,841 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:37:41,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-09 09:37:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:37:43,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-09 09:37:43,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:37:43,582 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 [2021-11-09 09:37:43,689 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-09 09:37:43,689 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 19 treesize of output 19 [2021-11-09 09:37:43,724 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 [2021-11-09 09:37:43,805 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 26 treesize of output 22 [2021-11-09 09:37:43,834 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 16 treesize of output 12 [2021-11-09 09:37:44,093 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:37:44,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 66 [2021-11-09 09:37:44,145 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:37:44,146 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 60 treesize of output 59 [2021-11-09 09:37:44,458 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:37:44,459 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 132 treesize of output 71 [2021-11-09 09:37:44,515 INFO L354 Elim1Store]: treesize reduction 77, result has 13.5 percent of original size [2021-11-09 09:37:44,516 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 86 treesize of output 43 [2021-11-09 09:37:44,753 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 64 treesize of output 37 [2021-11-09 09:37:44,761 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 34 treesize of output 16 [2021-11-09 09:37:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:37:44,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:38:02,775 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (|main_#t~mem128.offset| (_ BitVec 64))) (let ((.cse2 (bvadd c_main_~argv~0.offset (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64))))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2)) (.cse1 (bvadd (_ bv10 64) |main_#t~mem128.offset|))) (bvule (bvadd ((_ sign_extend 32) (_ bv0 32)) (_ bv1 64) (select (select (store |c_#memory_$Pointer$.offset| .cse0 (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 v_DerPreprocessor_3)) c_main_~argv~0.base) .cse2)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 v_DerPreprocessor_2)) c_main_~argv~0.base) .cse2)))))) (forall ((v_DerPreprocessor_3 (_ BitVec 64)) (|main_#t~mem128.offset| (_ BitVec 64))) (let ((.cse3 ((_ sign_extend 32) (_ bv0 32))) (.cse4 (let ((.cse6 (bvadd c_main_~argv~0.offset (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64))))) (select (select (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse6))) (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) (bvadd (_ bv10 64) |main_#t~mem128.offset|) v_DerPreprocessor_3))) c_main_~argv~0.base) .cse6)))) (bvule (bvadd .cse3 .cse4) (bvadd .cse3 (_ bv1 64) .cse4))))) is different from false [2021-11-09 09:38:05,106 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|main_#t~mem127.offset| (_ BitVec 64)) (main_~mem_track~0.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (|main_#t~mem127.base| (_ BitVec 64)) (|main_#t~mem128.offset| (_ BitVec 64))) (let ((.cse0 (let ((.cse6 (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64)))) (let ((.cse5 (bvadd c_main_~argv~0.offset .cse6))) (select (select (let ((.cse4 (bvadd main_~mem_track~0.offset .cse6))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base) .cse4 |main_#t~mem127.offset|))) (.cse3 (select (select (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) .cse4 |main_#t~mem127.base|)) c_main_~argv~0.base) .cse5))) (store .cse2 .cse3 (store (select .cse2 .cse3) (bvadd (_ bv10 64) |main_#t~mem128.offset|) v_DerPreprocessor_3)))) c_main_~argv~0.base) .cse5)))) (.cse1 ((_ sign_extend 32) (_ bv0 32)))) (bvule (bvadd .cse0 .cse1) (bvadd .cse0 .cse1 (_ bv1 64))))) (forall ((|main_#t~mem127.offset| (_ BitVec 64)) (main_~mem_track~0.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (|main_#t~mem127.base| (_ BitVec 64)) (|main_#t~mem128.offset| (_ BitVec 64))) (let ((.cse13 (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64)))) (let ((.cse10 (bvadd main_~mem_track~0.offset .cse13))) (let ((.cse12 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) .cse10 |main_#t~mem127.base|))) (.cse11 (bvadd c_main_~argv~0.offset .cse13))) (let ((.cse8 (select (select .cse12 c_main_~argv~0.base) .cse11)) (.cse9 (bvadd (_ bv10 64) |main_#t~mem128.offset|))) (bvule (bvadd (select (select (let ((.cse7 (store |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~mem_track~0.base) .cse10 |main_#t~mem127.offset|)))) (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 v_DerPreprocessor_3))) c_main_~argv~0.base) .cse11) ((_ sign_extend 32) (_ bv0 32)) (_ bv1 64)) (select |c_#length| (select (select (store .cse12 .cse8 (store (select .cse12 .cse8) .cse9 v_DerPreprocessor_2)) c_main_~argv~0.base) .cse11))))))))) is different from false [2021-11-09 09:38:07,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:38:07,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:38:07,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:38:08,572 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-09 09:38:08,572 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 27 treesize of output 26 [2021-11-09 09:38:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-09 09:38:08,729 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:38:08,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55305056] [2021-11-09 09:38:08,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55305056] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:08,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:08,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 10] imperfect sequences [] total 17 [2021-11-09 09:38:08,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742422205] [2021-11-09 09:38:08,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-09 09:38:08,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:38:08,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-09 09:38:08,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=193, Unknown=5, NotChecked=58, Total=306 [2021-11-09 09:38:08,731 INFO L87 Difference]: Start difference. First operand 163 states and 179 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) [2021-11-09 09:38:27,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:27,392 INFO L93 Difference]: Finished difference Result 174 states and 183 transitions. [2021-11-09 09:38:27,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-09 09:38:27,395 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 [2021-11-09 09:38:27,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:27,396 INFO L225 Difference]: With dead ends: 174 [2021-11-09 09:38:27,396 INFO L226 Difference]: Without dead ends: 174 [2021-11-09 09:38:27,397 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 35.0s TimeCoverageRelationStatistics Valid=129, Invalid=425, Unknown=6, NotChecked=90, Total=650 [2021-11-09 09:38:27,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-09 09:38:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 163. [2021-11-09 09:38:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 131 states have (on average 1.2366412213740459) internal successors, (162), 150 states have internal predecessors, (162), 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) [2021-11-09 09:38:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 175 transitions. [2021-11-09 09:38:27,404 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 175 transitions. Word has length 70 [2021-11-09 09:38:27,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:27,405 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 175 transitions. [2021-11-09 09:38:27,405 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) [2021-11-09 09:38:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 175 transitions. [2021-11-09 09:38:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-09 09:38:27,407 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:27,407 INFO L513 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] [2021-11-09 09:38:27,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-09 09:38:27,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:38:27,615 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr18REQUIRES_VIOLATION === [vasprintfErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION (and 77 more)] === [2021-11-09 09:38:27,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:27,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1578699408, now seen corresponding path program 1 times [2021-11-09 09:38:27,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:38:27,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980093885] [2021-11-09 09:38:27,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:27,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:38:27,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:38:27,618 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:38:27,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b034348-0fb2-4df1-ba69-763f2759795e/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-09 09:38:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:29,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-09 09:38:29,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:29,211 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 [2021-11-09 09:38:29,330 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-09 09:38:29,331 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 23 treesize of output 30 [2021-11-09 09:38:29,489 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 29 treesize of output 25 [2021-11-09 09:38:29,931 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:38:29,931 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 53 treesize of output 43 [2021-11-09 09:38:30,449 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-09 09:38:30,450 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 81 treesize of output 47 [2021-11-09 09:38:30,942 INFO L354 Elim1Store]: treesize reduction 53, result has 18.5 percent of original size [2021-11-09 09:38:30,943 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 82 treesize of output 48 [2021-11-09 09:38:31,179 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 64 treesize of output 37 [2021-11-09 09:38:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-09 09:38:31,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:38:38,082 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 64)) (|main_#t~mem130.offset| (_ BitVec 64)) (main_~j~0 (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse1 (bvadd c_main_~argv~0.offset (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64))))) (select (select (let ((.cse0 (select (select |c_#memory_$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| ((_ sign_extend 32) main_~j~0)) v_DerPreprocessor_4))) c_main_~argv~0.base) .cse1)))))))) (_ bv1 1)))) is different from false [2021-11-09 09:38:56,604 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (|main_#t~mem130.offset| (_ BitVec 64)) (main_~j~0 (_ BitVec 32)) (|main_#t~mem128.offset| (_ BitVec 64))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse2 (bvadd c_main_~argv~0.offset (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64))))) (select (select (let ((.cse0 (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_main_~argv~0.base) .cse2))) (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) (bvadd (_ bv10 64) |main_#t~mem128.offset|) 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| ((_ sign_extend 32) main_~j~0)) v_DerPreprocessor_4)))) c_main_~argv~0.base) .cse2)))))))) (_ bv1 1)))) is different from false [2021-11-09 09:38:58,702 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (main_~mem_track~0.offset (_ BitVec 64)) (|main_#t~mem130.offset| (_ BitVec 64)) (main_~j~0 (_ BitVec 32)) (|main_#t~mem127.base| (_ BitVec 64)) (|main_#t~mem128.offset| (_ BitVec 64))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse5 (bvmul ((_ sign_extend 32) c_main_~i~4) (_ bv8 64)))) (let ((.cse2 (bvadd c_main_~argv~0.offset .cse5))) (select (select (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| c_main_~mem_track~0.base (store (select |c_#memory_$Pointer$.base| c_main_~mem_track~0.base) (bvadd main_~mem_track~0.offset .cse5) |main_#t~mem127.base|)))) (let ((.cse4 (select (select .cse3 c_main_~argv~0.base) .cse2))) (store .cse3 .cse4 (store (select .cse3 .cse4) (bvadd (_ bv10 64) |main_#t~mem128.offset|) 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| ((_ sign_extend 32) main_~j~0)) v_DerPreprocessor_4)))) c_main_~argv~0.base) .cse2)))))))))) (_ bv1 1)))) is different from false [2021-11-09 09:44:29,227 WARN L207 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 8 DAG size of output: 1