./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72da1f6907bc4b842c40cca6c3dd762e325d6dec .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:06:14,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:06:14,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:06:14,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:06:14,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:06:14,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:06:14,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:06:14,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:06:14,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:06:14,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:06:14,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:06:14,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:06:14,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:06:14,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:06:14,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:06:14,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:06:14,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:06:14,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:06:14,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:06:14,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:06:14,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:06:14,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:06:14,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:06:15,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:06:15,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:06:15,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:06:15,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:06:15,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:06:15,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:06:15,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:06:15,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:06:15,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:06:15,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:06:15,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:06:15,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:06:15,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:06:15,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:06:15,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:06:15,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:06:15,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:06:15,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:06:15,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:06:15,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:06:15,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:06:15,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:06:15,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:06:15,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:06:15,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:06:15,094 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:06:15,095 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:06:15,095 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:06:15,095 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:06:15,097 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:06:15,097 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:06:15,097 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:06:15,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:06:15,098 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:06:15,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:06:15,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:06:15,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:06:15,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:06:15,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:06:15,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:06:15,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:06:15,100 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:06:15,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:06:15,100 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:06:15,101 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:06:15,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:06:15,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:06:15,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:06:15,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:06:15,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:06:15,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:06:15,104 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:06:15,105 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72da1f6907bc4b842c40cca6c3dd762e325d6dec [2021-10-13 01:06:15,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:06:15,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:06:15,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:06:15,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:06:15,493 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:06:15,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2021-10-13 01:06:15,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/data/e14c8a4f5/9d36895e3b3a4caba4cba1effe0115ba/FLAG4535b055a [2021-10-13 01:06:16,222 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:06:16,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2021-10-13 01:06:16,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/data/e14c8a4f5/9d36895e3b3a4caba4cba1effe0115ba/FLAG4535b055a [2021-10-13 01:06:16,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/data/e14c8a4f5/9d36895e3b3a4caba4cba1effe0115ba [2021-10-13 01:06:16,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:06:16,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:06:16,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:06:16,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:06:16,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:06:16,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fb6168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16, skipping insertion in model container [2021-10-13 01:06:16,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:06:16,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:06:16,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:06:16,884 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:06:16,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:06:16,940 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:06:16,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16 WrapperNode [2021-10-13 01:06:16,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:06:16,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:06:16,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:06:16,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:06:16,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:06:16,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:06:16,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:06:16,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:06:17,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:17,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:17,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:17,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:17,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:17,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:17,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:17,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:06:17,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:06:17,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:06:17,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:06:17,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:17,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:17,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:17,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:17,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:06:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 01:06:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 01:06:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-13 01:06:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:06:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:06:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-13 01:06:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:06:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:06:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:06:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:06:17,391 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 01:06:17,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:06:17,422 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 01:06:17,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:17 BoogieIcfgContainer [2021-10-13 01:06:17,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:06:17,426 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:06:17,426 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:06:17,430 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:06:17,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:17,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:06:16" (1/3) ... [2021-10-13 01:06:17,432 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7207bad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:06:17, skipping insertion in model container [2021-10-13 01:06:17,433 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:17,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (2/3) ... [2021-10-13 01:06:17,433 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7207bad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:06:17, skipping insertion in model container [2021-10-13 01:06:17,434 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:17,434 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:17" (3/3) ... [2021-10-13 01:06:17,436 INFO L389 chiAutomizerObserver]: Analyzing ICFG test-bitfields-3.1-1.i [2021-10-13 01:06:17,498 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:06:17,498 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:06:17,499 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:06:17,499 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:06:17,499 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:06:17,512 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:06:17,512 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:06:17,513 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:06:17,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:06:17,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-13 01:06:17,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:17,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:17,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:06:17,618 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 01:06:17,618 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:06:17,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:06:17,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-13 01:06:17,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:17,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:17,637 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:06:17,637 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 01:06:17,648 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 9#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;havoc main_#t~malloc0.base, main_#t~malloc0.offset; 21#L41true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 8##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 6#$Ultimate##0true #t~loopctr9 := 0; 17#L-1-1true [2021-10-13 01:06:17,649 INFO L793 eck$LassoCheckResult]: Loop: 17#L-1-1true assume #t~loopctr9 < size;call #t~mem10 := read~unchecked~int(src.base, src.offset + #t~loopctr9, 1);call write~unchecked~int(#t~mem10, dest.base, dest.offset + #t~loopctr9, 1);call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 1 + #t~loopctr9; 17#L-1-1true [2021-10-13 01:06:17,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:17,665 INFO L82 PathProgramCache]: Analyzing trace with hash 28752799, now seen corresponding path program 1 times [2021-10-13 01:06:17,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:17,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351948313] [2021-10-13 01:06:17,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:17,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,810 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:17,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:17,870 INFO L82 PathProgramCache]: Analyzing trace with hash 86, now seen corresponding path program 1 times [2021-10-13 01:06:17,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:17,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467031754] [2021-10-13 01:06:17,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:17,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,884 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,895 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:17,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:17,898 INFO L82 PathProgramCache]: Analyzing trace with hash 891336824, now seen corresponding path program 1 times [2021-10-13 01:06:17,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:17,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129045959] [2021-10-13 01:06:17,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:17,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,941 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,982 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:19,269 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:19,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:19,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:19,270 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:19,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:06:19,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:19,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:19,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:19,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration1_Lasso [2021-10-13 01:06:19,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:19,273 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:19,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:19,955 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:19,961 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:06:19,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:19,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:19,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:19,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:19,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:06:20,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:06:20,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:06:20,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-13 01:06:20,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:06:20,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,263 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:06:20,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:20,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:20,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,341 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:06:20,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:06:20,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-13 01:06:20,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,490 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:06:20,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,568 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:06:20,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,650 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:06:20,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,714 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:06:20,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,761 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:06:20,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,799 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:06:20,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-13 01:06:20,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,850 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:06:20,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:20,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:20,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,911 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:06:20,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:20,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:20,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:06:21,014 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-10-13 01:06:21,015 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-13 01:06:21,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,026 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,045 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:06:21,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:06:21,067 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:06:21,067 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:06:21,068 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr9, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr9 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2021-10-13 01:06:21,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,168 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-10-13 01:06:21,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:21,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:06:21,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:21,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:06:21,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:21,313 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-13 01:06:21,315 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:21,385 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 41 transitions. Complement of second has 6 states. [2021-10-13 01:06:21,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 01:06:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:21,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-10-13 01:06:21,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-13 01:06:21,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:21,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2021-10-13 01:06:21,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:21,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 01:06:21,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:21,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2021-10-13 01:06:21,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-13 01:06:21,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 9 states and 11 transitions. [2021-10-13 01:06:21,411 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-13 01:06:21,411 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-13 01:06:21,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-10-13 01:06:21,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:06:21,413 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-10-13 01:06:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-10-13 01:06:21,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2021-10-13 01:06:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-10-13 01:06:21,445 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-10-13 01:06:21,445 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-10-13 01:06:21,445 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:06:21,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-10-13 01:06:21,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-13 01:06:21,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:21,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:21,448 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:21,448 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 01:06:21,448 INFO L791 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 123#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;havoc main_#t~malloc0.base, main_#t~malloc0.offset; 117#L41 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 118##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 124#$Ultimate##0 #t~loopctr9 := 0; 119#L-1-1 assume !(#t~loopctr9 < size);#t~loopctr12 := 0; 121#L-1-3 [2021-10-13 01:06:21,449 INFO L793 eck$LassoCheckResult]: Loop: 121#L-1-3 assume #t~loopctr12 < size;#t~loopctr12 := 4 + #t~loopctr12; 121#L-1-3 [2021-10-13 01:06:21,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:21,451 INFO L82 PathProgramCache]: Analyzing trace with hash 891336826, now seen corresponding path program 1 times [2021-10-13 01:06:21,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:21,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818961609] [2021-10-13 01:06:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:21,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:21,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:06:21,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818961609] [2021-10-13 01:06:21,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818961609] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:06:21,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:06:21,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:06:21,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959285673] [2021-10-13 01:06:21,573 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:06:21,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:21,574 INFO L82 PathProgramCache]: Analyzing trace with hash 92, now seen corresponding path program 1 times [2021-10-13 01:06:21,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:21,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044081142] [2021-10-13 01:06:21,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:21,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:21,592 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:21,597 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:21,625 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:21,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:21,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:21,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:21,626 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:06:21,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:21,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:21,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2021-10-13 01:06:21,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:21,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:21,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:21,657 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:21,658 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:06:21,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,662 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:06:21,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:06:21,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:06:21,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,708 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:06:21,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:06:21,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:06:21,863 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:06:21,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,870 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:21,871 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:21,871 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:21,871 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:21,871 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:06:21,871 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,871 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:21,871 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:21,871 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2021-10-13 01:06:21,871 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:21,871 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:21,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:21,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:21,905 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:06:21,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,921 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:06:21,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:21,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:21,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:21,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:21,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:21,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:21,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:21,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:21,966 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:06:21,974 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-13 01:06:21,974 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:06:21,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,977 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:06:21,980 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:06:21,980 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:06:21,981 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:06:21,981 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr12, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr12 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2021-10-13 01:06:22,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-10-13 01:06:22,009 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:06:22,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:22,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:06:22,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:22,121 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:06:22,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:22,123 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-13 01:06:22,123 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:22,131 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 11 transitions. Complement of second has 3 states. [2021-10-13 01:06:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-13 01:06:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:22,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2021-10-13 01:06:22,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2021-10-13 01:06:22,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:22,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2021-10-13 01:06:22,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:22,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-13 01:06:22,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:22,134 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2021-10-13 01:06:22,134 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:06:22,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-10-13 01:06:22,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:06:22,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:06:22,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:06:22,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:06:22,135 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:22,135 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:22,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:06:22,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:06:22,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:06:22,140 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:22,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:06:22,144 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-13 01:06:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:06:22,144 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-13 01:06:22,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:06:22,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:06:22,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:06:22,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:06:22,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:06:22,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:06:22,145 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:22,145 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:22,145 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:22,145 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:06:22,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:06:22,146 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:06:22,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:06:22,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:06:22 BoogieIcfgContainer [2021-10-13 01:06:22,153 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:06:22,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:06:22,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:06:22,154 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:06:22,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:17" (3/4) ... [2021-10-13 01:06:22,158 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:06:22,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:06:22,160 INFO L168 Benchmark]: Toolchain (without parser) took 5587.15 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 97.5 MB in the beginning and 64.9 MB in the end (delta: 32.5 MB). Peak memory consumption was 59.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:22,160 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:06:22,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.42 ms. Allocated memory is still 132.1 MB. Free memory was 97.5 MB in the beginning and 106.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:22,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.91 ms. Allocated memory is still 132.1 MB. Free memory was 106.0 MB in the beginning and 104.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:06:22,162 INFO L168 Benchmark]: Boogie Preprocessor took 37.48 ms. Allocated memory is still 132.1 MB. Free memory was 104.6 MB in the beginning and 103.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:22,163 INFO L168 Benchmark]: RCFGBuilder took 387.22 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 92.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:22,164 INFO L168 Benchmark]: BuchiAutomizer took 4727.25 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 91.7 MB in the beginning and 64.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:22,164 INFO L168 Benchmark]: Witness Printer took 4.41 ms. Allocated memory is still 159.4 MB. Free memory is still 64.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:06:22,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.42 ms. Allocated memory is still 132.1 MB. Free memory was 97.5 MB in the beginning and 106.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.91 ms. Allocated memory is still 132.1 MB. Free memory was 106.0 MB in the beginning and 104.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.48 ms. Allocated memory is still 132.1 MB. Free memory was 104.6 MB in the beginning and 103.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 387.22 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 92.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4727.25 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 91.7 MB in the beginning and 64.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.41 ms. Allocated memory is still 159.4 MB. Free memory is still 64.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr9-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function -1 * aux-#t~loopctr12-aux + unknown-size-unknown and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 14.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp98 ukn83 mio100 lsp82 div100 bol100 ite100 ukn100 eq167 hnf92 smp96 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:06:22,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:22,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:22,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff18eccc-cfb1-4729-926b-e47b3bbf6cad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...