./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcat.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcat.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc --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 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:48:24,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:48:24,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:48:24,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:48:24,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:48:24,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:48:24,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:48:24,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:48:24,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:48:24,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:48:24,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:48:24,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:48:24,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:48:24,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:48:24,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:48:24,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:48:24,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:48:24,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:48:24,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:48:24,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:48:24,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:48:24,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:48:24,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:48:24,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:48:24,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:48:24,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:48:24,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:48:24,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:48:24,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:48:24,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:48:24,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:48:24,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:48:24,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:48:24,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:48:24,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:48:24,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:48:24,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:48:24,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:48:24,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:48:24,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:48:24,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:48:24,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:48:24,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:48:24,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:48:24,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:48:24,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:48:24,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:48:24,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:48:24,786 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:48:24,786 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:48:24,786 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:48:24,787 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:48:24,788 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:48:24,788 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:48:24,788 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:48:24,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:48:24,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:48:24,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:48:24,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:48:24,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:48:24,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:48:24,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:48:24,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:48:24,790 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:48:24,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:48:24,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:48:24,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:48:24,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:48:24,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:48:24,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:48:24,795 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:48:24,796 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_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 [2022-11-02 20:48:25,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:48:25,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:48:25,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:48:25,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:48:25,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:48:25,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-dietlibc/strlcat.i [2022-11-02 20:48:25,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/data/9ea47032c/59b3ba873ddf45039de02885e5d5dd8c/FLAG0610e792b [2022-11-02 20:48:25,876 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:48:25,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/sv-benchmarks/c/termination-dietlibc/strlcat.i [2022-11-02 20:48:25,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/data/9ea47032c/59b3ba873ddf45039de02885e5d5dd8c/FLAG0610e792b [2022-11-02 20:48:26,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/data/9ea47032c/59b3ba873ddf45039de02885e5d5dd8c [2022-11-02 20:48:26,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:48:26,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:48:26,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:48:26,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:48:26,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:48:26,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769ca582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26, skipping insertion in model container [2022-11-02 20:48:26,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:48:26,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:48:26,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:48:26,622 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:48:26,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:48:26,720 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:48:26,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26 WrapperNode [2022-11-02 20:48:26,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:48:26,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:48:26,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:48:26,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:48:26,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,768 INFO L138 Inliner]: procedures = 114, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2022-11-02 20:48:26,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:48:26,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:48:26,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:48:26,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:48:26,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:48:26,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:48:26,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:48:26,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:48:26,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (1/1) ... [2022-11-02 20:48:26,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:26,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:26,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:26,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:48:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:48:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:48:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:48:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:48:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:48:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:48:27,020 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:48:27,022 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:48:27,392 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:48:27,398 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:48:27,398 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:48:27,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:27 BoogieIcfgContainer [2022-11-02 20:48:27,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:48:27,402 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:48:27,402 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:48:27,407 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:48:27,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:48:27,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:48:26" (1/3) ... [2022-11-02 20:48:27,410 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ae9235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:48:27, skipping insertion in model container [2022-11-02 20:48:27,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:48:27,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:26" (2/3) ... [2022-11-02 20:48:27,411 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ae9235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:48:27, skipping insertion in model container [2022-11-02 20:48:27,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:48:27,411 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:27" (3/3) ... [2022-11-02 20:48:27,413 INFO L332 chiAutomizerObserver]: Analyzing ICFG strlcat.i [2022-11-02 20:48:27,478 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:48:27,478 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:48:27,479 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:48:27,479 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:48:27,479 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:48:27,479 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:48:27,479 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:48:27,480 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:48:27,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2022-11-02 20:48:27,518 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-02 20:48:27,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:48:27,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:48:27,529 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:48:27,529 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:48:27,530 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:48:27,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2022-11-02 20:48:27,536 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-02 20:48:27,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:48:27,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:48:27,537 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:48:27,538 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:48:27,547 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 4#L539true assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 20#L543true assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 6#L521-5true [2022-11-02 20:48:27,548 INFO L750 eck$LassoCheckResult]: Loop: 6#L521-5true call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 18#L521-1true assume strlcat_#t~short7#1;strlcat_#t~post6#1 := strlcat_~n~0#1;strlcat_~n~0#1 := strlcat_#t~post6#1 - 1;strlcat_#t~short7#1 := 0 != strlcat_#t~post6#1 % 18446744073709551616; 11#L521-3true assume !!strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1;strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset := strlcat_~d~0#1.base, strlcat_~d~0#1.offset;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_#t~post8#1.base, 1 + strlcat_#t~post8#1.offset;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset; 6#L521-5true [2022-11-02 20:48:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:27,562 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-11-02 20:48:27,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:27,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131459864] [2022-11-02 20:48:27,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:27,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:27,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:27,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:27,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:27,892 INFO L85 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2022-11-02 20:48:27,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:27,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656564911] [2022-11-02 20:48:27,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:27,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:27,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:27,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:27,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:27,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2022-11-02 20:48:27,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:27,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118946259] [2022-11-02 20:48:27,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:27,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:28,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:29,464 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:48:29,465 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:48:29,465 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:48:29,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:48:29,466 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:48:29,466 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:29,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:48:29,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:48:29,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration1_Lasso [2022-11-02 20:48:29,468 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:48:29,468 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:48:29,506 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,531 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:29,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,450 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:30,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:31,372 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:48:31,377 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:48:31,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,399 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 [2022-11-02 20:48:31,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:48:31,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:31,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:31,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:31,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:31,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:48:31,475 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 [2022-11-02 20:48:31,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:31,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:31,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:31,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-02 20:48:31,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,542 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:48:31,545 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 [2022-11-02 20:48:31,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:31,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:31,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:31,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:48:31,628 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 [2022-11-02 20:48:31,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:31,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:31,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:31,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:31,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:48:31,679 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 [2022-11-02 20:48:31,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:31,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:31,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:31,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:31,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,721 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:48:31,723 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 [2022-11-02 20:48:31,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:31,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:31,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:31,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 20:48:31,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,761 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:48:31,763 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 [2022-11-02 20:48:31,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:31,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:31,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:31,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-02 20:48:31,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,801 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:48:31,807 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 [2022-11-02 20:48:31,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:31,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:31,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:31,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,894 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,904 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 [2022-11-02 20:48:31,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:48:31,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:31,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:31,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:31,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:31,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:31,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:31,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:31,957 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:48:31,959 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 [2022-11-02 20:48:31,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:31,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:31,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:31,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:31,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:31,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:31,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:31,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:32,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:32,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:32,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:32,012 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:32,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:48:32,016 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 [2022-11-02 20:48:32,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:32,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:32,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:32,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:32,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:32,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:32,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:32,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:32,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:32,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:32,139 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:32,148 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 [2022-11-02 20:48:32,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:48:32,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:32,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:32,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:32,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:32,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:32,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:32,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:32,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:32,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:32,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:32,225 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:32,235 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 [2022-11-02 20:48:32,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:48:32,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:32,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:32,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:32,250 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-02 20:48:32,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:32,253 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:48:32,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:32,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:32,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:32,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:32,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:32,310 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:32,317 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 [2022-11-02 20:48:32,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:48:32,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:32,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:32,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:32,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:32,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:32,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:32,370 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:48:32,436 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-02 20:48:32,436 INFO L444 ModelExtractionUtils]: 17 out of 31 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-02 20:48:32,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:32,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:32,439 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:32,447 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:48:32,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:48:32,475 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:48:32,475 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:48:32,476 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc16#1.base)_1, ULTIMATE.start_strlcat_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc16#1.base)_1 - 1*ULTIMATE.start_strlcat_~d~0#1.offset Supporting invariants [] [2022-11-02 20:48:32,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:32,655 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-02 20:48:32,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:32,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:48:32,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:32,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:48:32,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:32,894 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-02 20:48:32,896 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-02 20:48:33,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:33,059 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 73 states and 101 transitions. Complement of second has 9 states. [2022-11-02 20:48:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:48:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-02 20:48:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 66 transitions. [2022-11-02 20:48:33,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 3 letters. [2022-11-02 20:48:33,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:33,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-02 20:48:33,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:33,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-02 20:48:33,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:33,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 101 transitions. [2022-11-02 20:48:33,087 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-02 20:48:33,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 36 states and 45 transitions. [2022-11-02 20:48:33,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-02 20:48:33,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-11-02 20:48:33,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2022-11-02 20:48:33,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:48:33,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-02 20:48:33,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2022-11-02 20:48:33,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2022-11-02 20:48:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 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) [2022-11-02 20:48:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2022-11-02 20:48:33,134 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-11-02 20:48:33,135 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-11-02 20:48:33,135 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:48:33,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2022-11-02 20:48:33,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:48:33,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:48:33,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:48:33,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:33,143 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:48:33,144 INFO L748 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 221#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 210#L539 assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 211#L543 assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 212#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 214#L521-1 assume !strlcat_#t~short7#1; 222#L521-3 assume !strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1; 223#L521-6 assume strlcat_~d~0#1.base == strlcat_~dst#1.base;strlcat_~dlen~0#1 := (if strlcat_~d~0#1.offset - strlcat_~dst#1.offset < 0 && 0 != (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) % 1 then 1 + (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1 else (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1);strlcat_~n~0#1 := strlcat_~siz#1 - strlcat_~dlen~0#1; 205#L525 assume !(0 == strlcat_~n~0#1 % 18446744073709551616); 207#L527-3 [2022-11-02 20:48:33,145 INFO L750 eck$LassoCheckResult]: Loop: 207#L527-3 call strlcat_#t~mem10#1 := read~int(strlcat_~s~0#1.base, strlcat_~s~0#1.offset, 1); 216#L527-1 assume !!(0 != strlcat_#t~mem10#1);havoc strlcat_#t~mem10#1; 217#L528 assume !(1 != strlcat_~n~0#1 % 18446744073709551616); 226#L528-2 strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset := strlcat_~s~0#1.base, strlcat_~s~0#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_#t~post14#1.base, 1 + strlcat_#t~post14#1.offset;havoc strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset; 207#L527-3 [2022-11-02 20:48:33,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:33,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1271629448, now seen corresponding path program 1 times [2022-11-02 20:48:33,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:33,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812048972] [2022-11-02 20:48:33,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:33,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:33,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:33,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:33,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:33,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2898824, now seen corresponding path program 1 times [2022-11-02 20:48:33,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:33,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413709246] [2022-11-02 20:48:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:33,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:33,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:33,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:33,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:33,249 INFO L85 PathProgramCache]: Analyzing trace with hash -701290865, now seen corresponding path program 1 times [2022-11-02 20:48:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:33,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861257379] [2022-11-02 20:48:33,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:34,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:34,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861257379] [2022-11-02 20:48:34,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861257379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:34,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:34,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:48:34,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722231611] [2022-11-02 20:48:34,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:34,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:34,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:48:34,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:48:34,219 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-11-02 20:48:34,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:34,552 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-11-02 20:48:34,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 72 transitions. [2022-11-02 20:48:34,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-02 20:48:34,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 53 states and 69 transitions. [2022-11-02 20:48:34,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-02 20:48:34,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-11-02 20:48:34,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 69 transitions. [2022-11-02 20:48:34,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:48:34,555 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-02 20:48:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 69 transitions. [2022-11-02 20:48:34,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 38. [2022-11-02 20:48:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 37 states have internal predecessors, (49), 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) [2022-11-02 20:48:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2022-11-02 20:48:34,559 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 49 transitions. [2022-11-02 20:48:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:48:34,560 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2022-11-02 20:48:34,560 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:48:34,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2022-11-02 20:48:34,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:48:34,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:48:34,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:48:34,562 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:34,562 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:48:34,563 INFO L748 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 322#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 309#L539 assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 310#L543 assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 311#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 313#L521-1 assume !strlcat_#t~short7#1; 326#L521-3 assume !strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1; 323#L521-6 assume strlcat_~d~0#1.base == strlcat_~dst#1.base;strlcat_~dlen~0#1 := (if strlcat_~d~0#1.offset - strlcat_~dst#1.offset < 0 && 0 != (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) % 1 then 1 + (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1 else (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1);strlcat_~n~0#1 := strlcat_~siz#1 - strlcat_~dlen~0#1; 305#L525 assume 0 == strlcat_~n~0#1 % 18446744073709551616;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strlcat_~s~0#1.base, strlcat_~s~0#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 306#L508 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 335#L509-4 [2022-11-02 20:48:34,563 INFO L750 eck$LassoCheckResult]: Loop: 335#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 336#L509-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 334#L509-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 335#L509-4 [2022-11-02 20:48:34,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:34,564 INFO L85 PathProgramCache]: Analyzing trace with hash 765806520, now seen corresponding path program 1 times [2022-11-02 20:48:34,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:34,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451413227] [2022-11-02 20:48:34,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:34,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:34,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:34,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451413227] [2022-11-02 20:48:34,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451413227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:34,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:34,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:48:34,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105782727] [2022-11-02 20:48:34,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:34,744 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:48:34,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:34,745 INFO L85 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 1 times [2022-11-02 20:48:34,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:34,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002671797] [2022-11-02 20:48:34,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:34,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:34,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:34,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:34,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:34,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:48:34,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:48:34,817 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-02 20:48:34,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:34,888 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2022-11-02 20:48:34,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 75 transitions. [2022-11-02 20:48:34,889 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-02 20:48:34,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 52 states and 68 transitions. [2022-11-02 20:48:34,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-11-02 20:48:34,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-02 20:48:34,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 68 transitions. [2022-11-02 20:48:34,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:48:34,891 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 68 transitions. [2022-11-02 20:48:34,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 68 transitions. [2022-11-02 20:48:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 34. [2022-11-02 20:48:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 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) [2022-11-02 20:48:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2022-11-02 20:48:34,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-02 20:48:34,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:34,896 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-02 20:48:34,896 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:48:34,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2022-11-02 20:48:34,897 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:48:34,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:48:34,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:48:34,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:34,898 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:48:34,898 INFO L748 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 422#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 415#L539 assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 416#L543 assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 423#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 424#L521-1 assume !strlcat_#t~short7#1; 431#L521-3 assume !!strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1;strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset := strlcat_~d~0#1.base, strlcat_~d~0#1.offset;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_#t~post8#1.base, 1 + strlcat_#t~post8#1.offset;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset; 425#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 427#L521-1 assume !strlcat_#t~short7#1; 430#L521-3 assume !strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1; 428#L521-6 assume strlcat_~d~0#1.base == strlcat_~dst#1.base;strlcat_~dlen~0#1 := (if strlcat_~d~0#1.offset - strlcat_~dst#1.offset < 0 && 0 != (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) % 1 then 1 + (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1 else (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1);strlcat_~n~0#1 := strlcat_~siz#1 - strlcat_~dlen~0#1; 410#L525 assume !(0 == strlcat_~n~0#1 % 18446744073709551616); 412#L527-3 [2022-11-02 20:48:34,899 INFO L750 eck$LassoCheckResult]: Loop: 412#L527-3 call strlcat_#t~mem10#1 := read~int(strlcat_~s~0#1.base, strlcat_~s~0#1.offset, 1); 417#L527-1 assume !!(0 != strlcat_#t~mem10#1);havoc strlcat_#t~mem10#1; 418#L528 assume !(1 != strlcat_~n~0#1 % 18446744073709551616); 432#L528-2 strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset := strlcat_~s~0#1.base, strlcat_~s~0#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_#t~post14#1.base, 1 + strlcat_#t~post14#1.offset;havoc strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset; 412#L527-3 [2022-11-02 20:48:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:34,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1543663905, now seen corresponding path program 1 times [2022-11-02 20:48:34,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:34,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403822869] [2022-11-02 20:48:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:34,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:34,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403822869] [2022-11-02 20:48:34,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403822869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:34,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:34,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:48:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964166507] [2022-11-02 20:48:34,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:34,930 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:48:34,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:34,930 INFO L85 PathProgramCache]: Analyzing trace with hash 2898824, now seen corresponding path program 2 times [2022-11-02 20:48:34,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:34,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398404599] [2022-11-02 20:48:34,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:34,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:34,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:34,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:34,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:34,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:48:34,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:48:34,995 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-02 20:48:35,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:35,008 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2022-11-02 20:48:35,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2022-11-02 20:48:35,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:48:35,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 46 transitions. [2022-11-02 20:48:35,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-02 20:48:35,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-02 20:48:35,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2022-11-02 20:48:35,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:48:35,011 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2022-11-02 20:48:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2022-11-02 20:48:35,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2022-11-02 20:48:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 states have internal predecessors, (45), 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) [2022-11-02 20:48:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-11-02 20:48:35,014 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-02 20:48:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:48:35,015 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-02 20:48:35,015 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 20:48:35,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2022-11-02 20:48:35,016 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:48:35,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:48:35,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:48:35,017 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:35,017 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:48:35,017 INFO L748 eck$LassoCheckResult]: Stem: 494#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 495#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 492#L539 assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 493#L543 assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 496#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 497#L521-1 assume strlcat_#t~short7#1;strlcat_#t~post6#1 := strlcat_~n~0#1;strlcat_~n~0#1 := strlcat_#t~post6#1 - 1;strlcat_#t~short7#1 := 0 != strlcat_#t~post6#1 % 18446744073709551616; 516#L521-3 assume !!strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1;strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset := strlcat_~d~0#1.base, strlcat_~d~0#1.offset;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_#t~post8#1.base, 1 + strlcat_#t~post8#1.offset;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset; 498#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 500#L521-1 assume !strlcat_#t~short7#1; 505#L521-3 assume !strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1; 506#L521-6 assume strlcat_~d~0#1.base == strlcat_~dst#1.base;strlcat_~dlen~0#1 := (if strlcat_~d~0#1.offset - strlcat_~dst#1.offset < 0 && 0 != (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) % 1 then 1 + (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1 else (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1);strlcat_~n~0#1 := strlcat_~siz#1 - strlcat_~dlen~0#1; 487#L525 assume !(0 == strlcat_~n~0#1 % 18446744073709551616); 489#L527-3 [2022-11-02 20:48:35,018 INFO L750 eck$LassoCheckResult]: Loop: 489#L527-3 call strlcat_#t~mem10#1 := read~int(strlcat_~s~0#1.base, strlcat_~s~0#1.offset, 1); 501#L527-1 assume !!(0 != strlcat_#t~mem10#1);havoc strlcat_#t~mem10#1; 502#L528 assume !(1 != strlcat_~n~0#1 % 18446744073709551616); 509#L528-2 strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset := strlcat_~s~0#1.base, strlcat_~s~0#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_#t~post14#1.base, 1 + strlcat_#t~post14#1.offset;havoc strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset; 489#L527-3 [2022-11-02 20:48:35,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:35,018 INFO L85 PathProgramCache]: Analyzing trace with hash -231343457, now seen corresponding path program 1 times [2022-11-02 20:48:35,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:35,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843783286] [2022-11-02 20:48:35,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:35,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:35,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:35,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:35,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:35,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2898824, now seen corresponding path program 3 times [2022-11-02 20:48:35,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:35,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124565022] [2022-11-02 20:48:35,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:35,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:35,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:35,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:35,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1685604570, now seen corresponding path program 1 times [2022-11-02 20:48:35,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:35,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848380897] [2022-11-02 20:48:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:35,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:35,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:35,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:36,936 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:48:36,937 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:48:36,937 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:48:36,937 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:48:36,937 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:48:36,937 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:36,937 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:48:36,937 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:48:36,937 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration5_Lasso [2022-11-02 20:48:36,937 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:48:36,938 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:48:36,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:36,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:36,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:36,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,913 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,937 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,941 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:37,967 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:39,057 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:48:39,057 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:48:39,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,063 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:48:39,068 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 [2022-11-02 20:48:39,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:39,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:39,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:39,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,150 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:48:39,155 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 [2022-11-02 20:48:39,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:39,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,235 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,244 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 [2022-11-02 20:48:39,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:39,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:48:39,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:39,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:39,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,323 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,341 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 [2022-11-02 20:48:39,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:48:39,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:39,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,400 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 20:48:39,402 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 [2022-11-02 20:48:39,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:39,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,471 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,475 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 [2022-11-02 20:48:39,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 20:48:39,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:39,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,489 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-02 20:48:39,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,491 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:48:39,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:39,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-02 20:48:39,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,531 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 20:48:39,533 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 [2022-11-02 20:48:39,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:39,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-02 20:48:39,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,596 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 20:48:39,598 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 [2022-11-02 20:48:39,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:39,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,673 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,679 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 [2022-11-02 20:48:39,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 20:48:39,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:39,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-02 20:48:39,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,733 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 20:48:39,737 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 [2022-11-02 20:48:39,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:39,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-02 20:48:39,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,779 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,784 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 [2022-11-02 20:48:39,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 20:48:39,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,796 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 20:48:39,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,798 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-02 20:48:39,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,828 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 20:48:39,834 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 [2022-11-02 20:48:39,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:39,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:39,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:39,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:39,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:39,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,971 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,975 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 [2022-11-02 20:48:39,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 20:48:39,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:39,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:39,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:39,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:40,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:40,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:40,035 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:48:40,080 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-02 20:48:40,080 INFO L444 ModelExtractionUtils]: 42 out of 52 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-02 20:48:40,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:40,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:40,081 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:40,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 20:48:40,083 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:48:40,094 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:48:40,094 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:48:40,095 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_~out~0#1.base)_2) = -1*ULTIMATE.start_strlcat_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~out~0#1.base)_2 Supporting invariants [] [2022-11-02 20:48:40,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:40,243 INFO L156 tatePredicateManager]: 21 out of 23 supporting invariants were superfluous and have been removed [2022-11-02 20:48:40,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:40,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:48:40,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:40,394 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:48:40,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:40,448 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-02 20:48:40,449 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-02 20:48:40,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 46 states and 57 transitions. Complement of second has 5 states. [2022-11-02 20:48:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:48:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-02 20:48:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-02 20:48:40,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-02 20:48:40,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:40,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 16 letters. Loop has 4 letters. [2022-11-02 20:48:40,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:40,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 8 letters. [2022-11-02 20:48:40,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:40,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 57 transitions. [2022-11-02 20:48:40,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:48:40,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 18 states and 20 transitions. [2022-11-02 20:48:40,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 20:48:40,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 20:48:40,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2022-11-02 20:48:40,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:48:40,510 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-02 20:48:40,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2022-11-02 20:48:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-02 20:48:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 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) [2022-11-02 20:48:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-02 20:48:40,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-02 20:48:40,516 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-02 20:48:40,516 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 20:48:40,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2022-11-02 20:48:40,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:48:40,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:48:40,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:48:40,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:40,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:48:40,520 INFO L748 eck$LassoCheckResult]: Stem: 739#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 740#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 737#L539 assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 738#L543 assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 741#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 742#L521-1 assume strlcat_#t~short7#1;strlcat_#t~post6#1 := strlcat_~n~0#1;strlcat_~n~0#1 := strlcat_#t~post6#1 - 1;strlcat_#t~short7#1 := 0 != strlcat_#t~post6#1 % 18446744073709551616; 747#L521-3 assume !!strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1;strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset := strlcat_~d~0#1.base, strlcat_~d~0#1.offset;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_#t~post8#1.base, 1 + strlcat_#t~post8#1.offset;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset; 743#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 744#L521-1 assume !strlcat_#t~short7#1; 746#L521-3 assume !strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1; 745#L521-6 assume strlcat_~d~0#1.base == strlcat_~dst#1.base;strlcat_~dlen~0#1 := (if strlcat_~d~0#1.offset - strlcat_~dst#1.offset < 0 && 0 != (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) % 1 then 1 + (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1 else (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1);strlcat_~n~0#1 := strlcat_~siz#1 - strlcat_~dlen~0#1; 735#L525 assume 0 == strlcat_~n~0#1 % 18446744073709551616;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strlcat_~s~0#1.base, strlcat_~s~0#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 736#L508 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 749#L509-4 [2022-11-02 20:48:40,520 INFO L750 eck$LassoCheckResult]: Loop: 749#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 750#L509-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 748#L509-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 749#L509-4 [2022-11-02 20:48:40,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:40,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1418286721, now seen corresponding path program 1 times [2022-11-02 20:48:40,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:40,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184744184] [2022-11-02 20:48:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:40,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:40,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:40,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:40,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:40,605 INFO L85 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 2 times [2022-11-02 20:48:40,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:40,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669330655] [2022-11-02 20:48:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:40,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:40,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:40,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:40,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:40,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1708508883, now seen corresponding path program 1 times [2022-11-02 20:48:40,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:40,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580044449] [2022-11-02 20:48:40,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:40,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:41,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:41,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:41,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580044449] [2022-11-02 20:48:41,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580044449] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:48:41,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124494755] [2022-11-02 20:48:41,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:41,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:48:41,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:41,396 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:48:41,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-11-02 20:48:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:41,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-02 20:48:41,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:41,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-02 20:48:42,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:48:42,298 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:48:42,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 10 [2022-11-02 20:48:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:42,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:48:42,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2022-11-02 20:48:42,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-02 20:48:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:42,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124494755] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:48:42,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:48:42,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 21 [2022-11-02 20:48:42,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128186516] [2022-11-02 20:48:42,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:48:42,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:42,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-02 20:48:42,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:48:42,918 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 21 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 21 states have internal predecessors, (41), 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) [2022-11-02 20:48:43,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:43,459 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-11-02 20:48:43,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 31 transitions. [2022-11-02 20:48:43,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:48:43,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 21 states and 23 transitions. [2022-11-02 20:48:43,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 20:48:43,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 20:48:43,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2022-11-02 20:48:43,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:48:43,461 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-02 20:48:43,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2022-11-02 20:48:43,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2022-11-02 20:48:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 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) [2022-11-02 20:48:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-02 20:48:43,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-02 20:48:43,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:48:43,464 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-02 20:48:43,464 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-02 20:48:43,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2022-11-02 20:48:43,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:48:43,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:48:43,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:48:43,466 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:43,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:48:43,466 INFO L748 eck$LassoCheckResult]: Stem: 907#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 908#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 905#L539 assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 906#L543 assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 909#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 910#L521-1 assume strlcat_#t~short7#1;strlcat_#t~post6#1 := strlcat_~n~0#1;strlcat_~n~0#1 := strlcat_#t~post6#1 - 1;strlcat_#t~short7#1 := 0 != strlcat_#t~post6#1 % 18446744073709551616; 915#L521-3 assume !!strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1;strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset := strlcat_~d~0#1.base, strlcat_~d~0#1.offset;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_#t~post8#1.base, 1 + strlcat_#t~post8#1.offset;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset; 911#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 912#L521-1 assume strlcat_#t~short7#1;strlcat_#t~post6#1 := strlcat_~n~0#1;strlcat_~n~0#1 := strlcat_#t~post6#1 - 1;strlcat_#t~short7#1 := 0 != strlcat_#t~post6#1 % 18446744073709551616; 920#L521-3 assume !!strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1;strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset := strlcat_~d~0#1.base, strlcat_~d~0#1.offset;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_#t~post8#1.base, 1 + strlcat_#t~post8#1.offset;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset; 921#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 919#L521-1 assume !strlcat_#t~short7#1; 913#L521-3 assume !strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1; 914#L521-6 assume strlcat_~d~0#1.base == strlcat_~dst#1.base;strlcat_~dlen~0#1 := (if strlcat_~d~0#1.offset - strlcat_~dst#1.offset < 0 && 0 != (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) % 1 then 1 + (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1 else (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1);strlcat_~n~0#1 := strlcat_~siz#1 - strlcat_~dlen~0#1; 903#L525 assume 0 == strlcat_~n~0#1 % 18446744073709551616;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strlcat_~s~0#1.base, strlcat_~s~0#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 904#L508 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 917#L509-4 [2022-11-02 20:48:43,467 INFO L750 eck$LassoCheckResult]: Loop: 917#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 918#L509-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 916#L509-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 917#L509-4 [2022-11-02 20:48:43,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:43,467 INFO L85 PathProgramCache]: Analyzing trace with hash 433973016, now seen corresponding path program 2 times [2022-11-02 20:48:43,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:43,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47334834] [2022-11-02 20:48:43,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:43,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:43,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:43,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:43,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:43,550 INFO L85 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 3 times [2022-11-02 20:48:43,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:43,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314930433] [2022-11-02 20:48:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:43,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:43,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:43,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:43,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:43,560 INFO L85 PathProgramCache]: Analyzing trace with hash 638602550, now seen corresponding path program 2 times [2022-11-02 20:48:43,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:43,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117421000] [2022-11-02 20:48:43,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:43,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:43,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:43,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:45,929 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:48:45,929 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:48:45,929 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:48:45,929 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:48:45,929 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:48:45,930 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:45,930 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:48:45,930 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:48:45,930 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration7_Lasso [2022-11-02 20:48:45,930 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:48:45,930 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:48:45,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:45,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:45,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:45,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:45,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:45,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:45,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:45,967 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,018 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,026 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,035 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:47,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:48:48,217 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:48:48,218 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:48:48,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,220 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 20:48:48,223 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 [2022-11-02 20:48:48,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:48,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:48,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:48,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:48,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,280 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 20:48:48,282 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 [2022-11-02 20:48:48,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:48,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:48,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:48,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,336 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,340 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 [2022-11-02 20:48:48,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 20:48:48,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:48,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:48,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:48,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,377 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 20:48:48,380 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 [2022-11-02 20:48:48,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:48,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:48,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:48,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-02 20:48:48,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,419 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:48:48,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 20:48:48,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:48,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:48,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:48,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-02 20:48:48,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,479 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,487 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 [2022-11-02 20:48:48,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 20:48:48,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:48,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:48,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:48,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:48,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,562 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 20:48:48,566 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 [2022-11-02 20:48:48,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:48,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:48:48,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:48,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-02 20:48:48,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,620 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,621 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 [2022-11-02 20:48:48,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 20:48:48,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:48:48,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,632 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-02 20:48:48,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,632 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:48:48,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:48:48,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:48,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,656 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 20:48:48,658 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 [2022-11-02 20:48:48,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:48,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:48,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-02 20:48:48,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,698 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-02 20:48:48,700 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 [2022-11-02 20:48:48,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:48,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:48,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-02 20:48:48,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,745 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 20:48:48,748 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 [2022-11-02 20:48:48,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:48,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:48,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:48,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,812 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,819 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 [2022-11-02 20:48:48,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 20:48:48,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:48,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:48,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:48,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,888 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,895 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 [2022-11-02 20:48:48,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-02 20:48:48,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:48,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:48,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:48,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:48,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-02 20:48:48,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:48,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:48,953 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:48,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-02 20:48:48,954 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 [2022-11-02 20:48:48,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:48,966 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 20:48:48,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:48,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:48,968 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-02 20:48:48,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:48,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:49,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:49,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:49,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:49,018 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:49,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-02 20:48:49,022 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 [2022-11-02 20:48:49,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:49,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:49,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:49,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:49,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:49,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:49,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:49,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-02 20:48:49,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:49,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:49,091 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:49,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-02 20:48:49,093 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 [2022-11-02 20:48:49,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:49,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:49,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:49,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:49,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:49,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:49,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:49,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-02 20:48:49,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:49,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:49,136 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:49,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-02 20:48:49,139 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 [2022-11-02 20:48:49,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:49,150 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 20:48:49,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:49,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:49,152 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-02 20:48:49,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:49,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:48:49,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-02 20:48:49,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:49,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:49,179 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:49,182 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 [2022-11-02 20:48:49,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:48:49,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:48:49,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:48:49,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:48:49,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-02 20:48:49,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:48:49,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:48:49,244 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:48:49,447 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-11-02 20:48:49,448 INFO L444 ModelExtractionUtils]: 15 out of 70 variables were initially zero. Simplification set additionally 52 variables to zero. [2022-11-02 20:48:49,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:48:49,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:49,450 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:49,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-02 20:48:49,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:48:49,465 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:48:49,465 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:48:49,465 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s#1.offset, v_rep(select #length ULTIMATE.start_main_~out~0#1.base)_3) = -1*ULTIMATE.start_strlen_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~out~0#1.base)_3 Supporting invariants [] [2022-11-02 20:48:49,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:49,598 INFO L156 tatePredicateManager]: 21 out of 23 supporting invariants were superfluous and have been removed [2022-11-02 20:48:49,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:49,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-02 20:48:49,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:49,811 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:48:49,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:49,850 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-02 20:48:49,850 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-02 20:48:49,904 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 21 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 22 states and 25 transitions. Complement of second has 6 states. [2022-11-02 20:48:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:48:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-02 20:48:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2022-11-02 20:48:49,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 16 letters. Loop has 3 letters. [2022-11-02 20:48:49,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:49,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 19 letters. Loop has 3 letters. [2022-11-02 20:48:49,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:49,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 16 letters. Loop has 6 letters. [2022-11-02 20:48:49,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:48:49,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2022-11-02 20:48:49,908 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:48:49,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-11-02 20:48:49,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:48:49,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:48:49,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:48:49,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:48:49,908 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:48:49,908 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:48:49,909 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:48:49,909 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-02 20:48:49,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:48:49,909 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:48:49,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:48:49,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:48:49 BoogieIcfgContainer [2022-11-02 20:48:49,917 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:48:49,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:48:49,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:48:49,918 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:48:49,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:27" (3/4) ... [2022-11-02 20:48:49,922 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:48:49,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:48:49,923 INFO L158 Benchmark]: Toolchain (without parser) took 23766.54ms. Allocated memory was 107.0MB in the beginning and 209.7MB in the end (delta: 102.8MB). Free memory was 69.3MB in the beginning and 102.4MB in the end (delta: -33.2MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2022-11-02 20:48:49,923 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:48:49,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.38ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 76.8MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:48:49,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.76ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 74.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:48:49,924 INFO L158 Benchmark]: Boogie Preprocessor took 34.30ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 73.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:48:49,925 INFO L158 Benchmark]: RCFGBuilder took 597.17ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 58.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 20:48:49,925 INFO L158 Benchmark]: BuchiAutomizer took 22514.91ms. Allocated memory was 107.0MB in the beginning and 209.7MB in the end (delta: 102.8MB). Free memory was 58.7MB in the beginning and 102.4MB in the end (delta: -43.7MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-11-02 20:48:49,925 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 209.7MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:48:49,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.38ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 76.8MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.76ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 74.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.30ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 73.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.17ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 58.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 22514.91ms. Allocated memory was 107.0MB in the beginning and 209.7MB in the end (delta: 102.8MB). Free memory was 58.7MB in the beginning and 102.4MB in the end (delta: -43.7MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 209.7MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * d and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[out] and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[out] and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.4s and 8 iterations. TraceHistogramMax:3. Analysis of lassos took 20.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 312 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 14 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 108 mSDtfsCounter, 187 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital250 mio100 ax100 hnf100 lsp96 ukn90 mio100 lsp45 div195 bol100 ite100 ukn100 eq167 hnf92 smp61 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:48:49,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:50,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-11-02 20:48:50,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5e95ef-2e39-41f2-a17e-f5635768b299/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE