./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg --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 64bit --witnessprinter.graph.data.programhash 1f7000ceab0d3c085565adc32b7b32d00b21649ab807e7531fb2c94cf231de29 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:10:50,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:10:50,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:10:50,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:10:50,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:10:50,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:10:50,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:10:50,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:10:50,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:10:50,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:10:50,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:10:50,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:10:50,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:10:50,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:10:50,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:10:50,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:10:50,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:10:50,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:10:50,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:10:50,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:10:50,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:10:50,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:10:50,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:10:50,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:10:50,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:10:50,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:10:50,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:10:50,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:10:50,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:10:50,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:10:50,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:10:50,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:10:50,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:10:51,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:10:51,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:10:51,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:10:51,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:10:51,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:10:51,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:10:51,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:10:51,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:10:51,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:10:51,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:10:51,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:10:51,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:10:51,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:10:51,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:10:51,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:10:51,048 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:10:51,049 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:10:51,049 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:10:51,049 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:10:51,051 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:10:51,051 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:10:51,051 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:10:51,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:10:51,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:10:51,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:10:51,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:10:51,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:10:51,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:10:51,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:10:51,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:10:51,054 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:10:51,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:10:51,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:10:51,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:10:51,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:10:51,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:10:51,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:10:51,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:10:51,060 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:10:51,060 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_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f7000ceab0d3c085565adc32b7b32d00b21649ab807e7531fb2c94cf231de29 [2021-10-28 09:10:51,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:10:51,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:10:51,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:10:51,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:10:51,456 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:10:51,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca-1.i [2021-10-28 09:10:51,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/data/982625032/a5dab17c781f4d91a11e81e823474f90/FLAGc694eef02 [2021-10-28 09:10:52,303 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:10:52,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca-1.i [2021-10-28 09:10:52,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/data/982625032/a5dab17c781f4d91a11e81e823474f90/FLAGc694eef02 [2021-10-28 09:10:52,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/data/982625032/a5dab17c781f4d91a11e81e823474f90 [2021-10-28 09:10:52,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:10:52,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:10:52,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:52,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:10:52,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:10:52,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:52" (1/1) ... [2021-10-28 09:10:52,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7896fe95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:52, skipping insertion in model container [2021-10-28 09:10:52,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:52" (1/1) ... [2021-10-28 09:10:52,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:10:52,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:10:52,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:52,994 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:10:53,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:53,086 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:10:53,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53 WrapperNode [2021-10-28 09:10:53,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:53,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:53,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:10:53,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:10:53,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:53,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:10:53,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:10:53,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:10:53,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:10:53,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:10:53,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:10:53,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:10:53,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (1/1) ... [2021-10-28 09:10:53,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:10:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:10:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:10:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:10:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:10:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:10:53,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:10:53,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:10:53,742 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:10:53,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:53 BoogieIcfgContainer [2021-10-28 09:10:53,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:10:53,745 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:10:53,746 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:10:53,749 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:10:53,750 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:53,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:10:52" (1/3) ... [2021-10-28 09:10:53,753 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a08e50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:10:53, skipping insertion in model container [2021-10-28 09:10:53,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:53,753 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:53" (2/3) ... [2021-10-28 09:10:53,754 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a08e50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:10:53, skipping insertion in model container [2021-10-28 09:10:53,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:53,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:53" (3/3) ... [2021-10-28 09:10:53,756 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcmp-alloca-1.i [2021-10-28 09:10:53,810 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:10:53,811 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:10:53,811 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:10:53,811 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:10:53,811 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:10:53,811 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:10:53,812 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:10:53,812 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:10:53,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:53,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:10:53,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:53,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:53,859 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:10:53,878 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:53,878 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:10:53,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:53,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:10:53,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:53,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:53,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:10:53,883 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:53,892 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 13#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 5#L561true assume !(main_~length1~0 < 1); 11#L561-2true assume !(main_~length2~0 < 1); 9#L564-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 6#L550-5true [2021-10-28 09:10:53,906 INFO L793 eck$LassoCheckResult]: Loop: 6#L550-5true call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 15#L550-1true assume cstrcmp_#t~short5;call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem4 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short5 := cstrcmp_#t~mem3 == cstrcmp_#t~mem4; 12#L550-3true assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 6#L550-5true [2021-10-28 09:10:53,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:53,914 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-28 09:10:53,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:53,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299745086] [2021-10-28 09:10:53,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:53,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:54,156 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:54,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:54,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:54,260 INFO L85 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2021-10-28 09:10:54,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:54,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524221246] [2021-10-28 09:10:54,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:54,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:54,281 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:54,315 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:54,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2021-10-28 09:10:54,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:54,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854290435] [2021-10-28 09:10:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:54,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:54,395 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:54,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:55,614 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:55,614 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:55,614 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:55,615 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:55,615 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:55,615 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:55,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:55,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:55,616 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp-alloca-1.i_Iteration1_Lasso [2021-10-28 09:10:55,616 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:55,616 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:55,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:55,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:56,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:56,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:56,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:56,836 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:56,840 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:56,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:56,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:56,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:56,859 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 [2021-10-28 09:10:56,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:56,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:56,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:56,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:56,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:56,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:56,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:56,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:10:56,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:56,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:56,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:56,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:56,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:56,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:10:56,916 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 [2021-10-28 09:10:56,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:56,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:56,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:56,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:56,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:56,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:56,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:56,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,006 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,023 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 [2021-10-28 09:10:57,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:10:57,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,105 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 [2021-10-28 09:10:57,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:10:57,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:57,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:57,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:10:57,191 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 [2021-10-28 09:10:57,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,267 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 [2021-10-28 09:10:57,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:10:57,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,320 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:10:57,326 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 [2021-10-28 09:10:57,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:57,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:57,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,402 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,409 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 [2021-10-28 09:10:57,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:57,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:57,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:10:57,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,486 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,492 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 [2021-10-28 09:10:57,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:10:57,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,557 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,566 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 [2021-10-28 09:10:57,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:10:57,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,621 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:10:57,626 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 [2021-10-28 09:10:57,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,670 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:10:57,671 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 [2021-10-28 09:10:57,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,719 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:10:57,721 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 [2021-10-28 09:10:57,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,777 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:10:57,779 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 [2021-10-28 09:10:57,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,816 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:10:57,818 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 [2021-10-28 09:10:57,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,875 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,881 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 [2021-10-28 09:10:57,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:10:57,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,945 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,947 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 [2021-10-28 09:10:57,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:57,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:57,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:57,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:10:57,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:57,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:57,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:57,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:57,982 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:57,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:10:57,986 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 [2021-10-28 09:10:57,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:57,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:57,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:57,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:57,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:57,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:58,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,047 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:10:58,053 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 [2021-10-28 09:10:58,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:58,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:58,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:58,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:58,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,087 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:10:58,089 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 [2021-10-28 09:10:58,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:58,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:58,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:58,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:58,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,129 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:10:58,130 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 [2021-10-28 09:10:58,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:58,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:58,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:58,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,192 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:10:58,194 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 [2021-10-28 09:10:58,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:58,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:58,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:58,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,231 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:10:58,235 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 [2021-10-28 09:10:58,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:58,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:58,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:58,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,275 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:10:58,277 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 [2021-10-28 09:10:58,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:58,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:58,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:58,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,368 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,375 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 [2021-10-28 09:10:58,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:58,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,386 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:58,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,388 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:58,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:58,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:10:58,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,444 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:10:58,445 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 [2021-10-28 09:10:58,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:58,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:58,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:58,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:58,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,505 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,508 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 [2021-10-28 09:10:58,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:10:58,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:58,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:58,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:58,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:58,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:58,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:58,589 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:58,690 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 09:10:58,691 INFO L444 ModelExtractionUtils]: 26 out of 46 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 09:10:58,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:58,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:58,706 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:58,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:10:58,774 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:58,807 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:10:58,807 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:58,808 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s1.offset, v_rep(select #length ULTIMATE.start_cstrcmp_~s2.base)_1) = -1*ULTIMATE.start_cstrcmp_~s1.offset + 1*v_rep(select #length ULTIMATE.start_cstrcmp_~s2.base)_1 Supporting invariants [] [2021-10-28 09:10:58,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:58,951 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-10-28 09:10:59,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:59,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 09:10:59,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:59,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:10:59,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:59,173 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:10:59,175 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:59,253 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 52 transitions. Complement of second has 7 states. [2021-10-28 09:10:59,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:10:59,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 09:10:59,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-28 09:10:59,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:59,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-28 09:10:59,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:59,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-28 09:10:59,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:59,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 52 transitions. [2021-10-28 09:10:59,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:10:59,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 20 transitions. [2021-10-28 09:10:59,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 09:10:59,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 09:10:59,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-10-28 09:10:59,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:59,284 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-28 09:10:59,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-10-28 09:10:59,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-28 09:10:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-10-28 09:10:59,317 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-28 09:10:59,317 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-28 09:10:59,317 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:10:59,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-10-28 09:10:59,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:10:59,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:59,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:59,321 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:10:59,321 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:59,321 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 179#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 180#L561 assume !(main_~length1~0 < 1); 181#L561-2 assume !(main_~length2~0 < 1); 182#L564-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 183#L550-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 175#L550-1 [2021-10-28 09:10:59,322 INFO L793 eck$LassoCheckResult]: Loop: 175#L550-1 assume !cstrcmp_#t~short5; 184#L550-3 assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 174#L550-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 175#L550-1 [2021-10-28 09:10:59,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:59,323 INFO L85 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2021-10-28 09:10:59,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:59,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101276094] [2021-10-28 09:10:59,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:59,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:59,381 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:59,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:59,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:59,409 INFO L85 PathProgramCache]: Analyzing trace with hash 54797, now seen corresponding path program 1 times [2021-10-28 09:10:59,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:59,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819891648] [2021-10-28 09:10:59,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:59,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:59,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:59,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819891648] [2021-10-28 09:10:59,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819891648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:59,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:59,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:10:59,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713538802] [2021-10-28 09:10:59,467 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:10:59,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:59,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:59,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:59,473 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:59,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:59,488 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-10-28 09:10:59,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:59,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-10-28 09:10:59,490 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:10:59,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-28 09:10:59,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:10:59,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:10:59,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:10:59,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:59,491 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:10:59,491 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:10:59,491 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:10:59,492 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:10:59,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:10:59,492 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:10:59,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:10:59,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:10:59 BoogieIcfgContainer [2021-10-28 09:10:59,499 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:10:59,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:10:59,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:10:59,500 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:10:59,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:53" (3/4) ... [2021-10-28 09:10:59,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:10:59,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:10:59,505 INFO L168 Benchmark]: Toolchain (without parser) took 6970.97 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 58.6 MB in the beginning and 76.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:59,506 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 67.1 MB in the beginning and 67.0 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:10:59,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.67 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 58.3 MB in the beginning and 81.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:59,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.86 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:59,508 INFO L168 Benchmark]: Boogie Preprocessor took 58.48 ms. Allocated memory is still 113.2 MB. Free memory was 79.1 MB in the beginning and 77.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:10:59,509 INFO L168 Benchmark]: RCFGBuilder took 507.15 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 67.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:59,510 INFO L168 Benchmark]: BuchiAutomizer took 5753.37 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 67.1 MB in the beginning and 77.1 MB in the end (delta: -10.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:59,510 INFO L168 Benchmark]: Witness Printer took 4.46 ms. Allocated memory is still 136.3 MB. Free memory is still 76.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:10:59,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 67.1 MB in the beginning and 67.0 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 549.67 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 58.3 MB in the beginning and 81.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.86 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.48 ms. Allocated memory is still 113.2 MB. Free memory was 79.1 MB in the beginning and 77.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 507.15 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 67.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5753.37 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 67.1 MB in the beginning and 77.1 MB in the end (delta: -10.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.46 ms. Allocated memory is still 136.3 MB. Free memory is still 76.7 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[s2] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 26 SDtfs, 17 SDslu, 16 SDs, 0 SdLazy, 14 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax108 hnf100 lsp89 ukn86 mio100 lsp48 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:10:59,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:59,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69c8a0-3948-4766-8ed7-7d0d1610265f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...