./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrnlen-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrnlen-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8 --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 a39001d729fceb66f0e568e2a46f4a77a12199478b1f9dfc07eb9a8b83cb9478 --- 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-e04fb08 [2022-11-16 11:41:55,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:41:55,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:41:55,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:41:55,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:41:55,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:41:55,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:41:55,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:41:55,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:41:55,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:41:55,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:41:55,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:41:55,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:41:55,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:41:55,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:41:55,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:41:55,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:41:55,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:41:55,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:41:55,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:41:55,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:41:55,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:41:55,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:41:55,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:41:55,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:41:55,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:41:55,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:41:55,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:41:55,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:41:55,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:41:55,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:41:55,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:41:55,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:41:55,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:41:55,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:41:55,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:41:55,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:41:55,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:41:55,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:41:55,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:41:55,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:41:55,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:41:55,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:41:55,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:41:55,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:41:55,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:41:55,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:41:55,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:41:55,687 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:41:55,688 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:41:55,688 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:41:55,688 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:41:55,689 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:41:55,690 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:41:55,690 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:41:55,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:41:55,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:41:55,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:41:55,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:41:55,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:41:55,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:41:55,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:41:55,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:41:55,692 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:41:55,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:41:55,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:41:55,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:41:55,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:41:55,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:41:55,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:41:55,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:41:55,696 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_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39001d729fceb66f0e568e2a46f4a77a12199478b1f9dfc07eb9a8b83cb9478 [2022-11-16 11:41:56,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:41:56,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:41:56,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:41:56,051 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:41:56,052 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:41:56,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrnlen-alloca-2.i [2022-11-16 11:41:56,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/data/76406849f/2d13dba92a9b4512a7eaed61b40198e7/FLAGc7c204999 [2022-11-16 11:41:56,678 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:41:56,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrnlen-alloca-2.i [2022-11-16 11:41:56,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/data/76406849f/2d13dba92a9b4512a7eaed61b40198e7/FLAGc7c204999 [2022-11-16 11:41:56,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/data/76406849f/2d13dba92a9b4512a7eaed61b40198e7 [2022-11-16 11:41:56,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:41:56,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:41:56,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:41:56,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:41:56,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:41:56,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:41:56" (1/1) ... [2022-11-16 11:41:56,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa0a72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:56, skipping insertion in model container [2022-11-16 11:41:56,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:41:56" (1/1) ... [2022-11-16 11:41:56,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:41:57,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:41:57,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:41:57,449 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:41:57,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:41:57,502 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:41:57,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57 WrapperNode [2022-11-16 11:41:57,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:41:57,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:41:57,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:41:57,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:41:57,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,549 INFO L138 Inliner]: procedures = 111, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-16 11:41:57,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:41:57,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:41:57,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:41:57,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:41:57,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,598 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:41:57,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:41:57,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:41:57,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:41:57,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (1/1) ... [2022-11-16 11:41:57,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:57,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:57,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:57,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:41:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:41:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:41:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:41:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:41:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:41:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:41:57,804 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:41:57,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:41:58,000 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:41:58,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:41:58,006 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:41:58,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:58 BoogieIcfgContainer [2022-11-16 11:41:58,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:41:58,009 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:41:58,010 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:41:58,029 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:41:58,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:41:58,030 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:41:56" (1/3) ... [2022-11-16 11:41:58,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cea05ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:41:58, skipping insertion in model container [2022-11-16 11:41:58,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:41:58,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:57" (2/3) ... [2022-11-16 11:41:58,032 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cea05ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:41:58, skipping insertion in model container [2022-11-16 11:41:58,032 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:41:58,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:58" (3/3) ... [2022-11-16 11:41:58,033 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrnlen-alloca-2.i [2022-11-16 11:41:58,111 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:41:58,112 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:41:58,112 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:41:58,112 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:41:58,112 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:41:58,112 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:41:58,112 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:41:58,113 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:41:58,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 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) [2022-11-16 11:41:58,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:41:58,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:41:58,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:41:58,156 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:41:58,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 11:41:58,161 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:41:58,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 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) [2022-11-16 11:41:58,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:41:58,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:41:58,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:41:58,169 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:41:58,169 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 11:41:58,176 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 14#L558true assume !(main_~length1~0#1 < 1); 8#L558-2true assume !(main_~n~0#1 < 1); 10#L561-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset, cstrnlen_#t~post3#1, cstrnlen_#t~mem4#1, cstrnlen_#t~short5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset; 13#L551-6true [2022-11-16 11:41:58,177 INFO L750 eck$LassoCheckResult]: Loop: 13#L551-6true cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 18446744073709551616; 6#L551-1true assume cstrnlen_#t~short5#1;call cstrnlen_#t~mem4#1 := read~int(cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset, 1);cstrnlen_#t~short5#1 := 0 != cstrnlen_#t~mem4#1; 7#L551-3true assume !!cstrnlen_#t~short5#1;havoc cstrnlen_#t~mem4#1;havoc cstrnlen_#t~short5#1; 2#L551-5true cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post2#1.base, 1 + cstrnlen_#t~post2#1.offset;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset;cstrnlen_#t~post3#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post3#1 - 1;havoc cstrnlen_#t~post3#1; 13#L551-6true [2022-11-16 11:41:58,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:58,182 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-16 11:41:58,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:58,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525372959] [2022-11-16 11:41:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:58,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:58,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:41:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:58,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:41:58,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:58,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1511654, now seen corresponding path program 1 times [2022-11-16 11:41:58,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:58,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822975950] [2022-11-16 11:41:58,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:58,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:41:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:58,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:41:58,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:58,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1298318251, now seen corresponding path program 1 times [2022-11-16 11:41:58,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:58,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169061926] [2022-11-16 11:41:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:58,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:58,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:41:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:58,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:41:59,111 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:41:59,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:41:59,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:41:59,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:41:59,112 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:41:59,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:59,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:41:59,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:41:59,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrnlen-alloca-2.i_Iteration1_Lasso [2022-11-16 11:41:59,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:41:59,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:41:59,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:59,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:42:00,125 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:42:00,130 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:42:00,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,144 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 [2022-11-16 11:42:00,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:42:00,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:42:00,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:42:00,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:42:00,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-16 11:42:00,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,195 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 [2022-11-16 11:42:00,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:42:00,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:42:00,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:42:00,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:42:00,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:42:00,258 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 [2022-11-16 11:42:00,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:42:00,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:42:00,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:42:00,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,311 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 [2022-11-16 11:42:00,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:42:00,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:42:00,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:42:00,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,359 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 [2022-11-16 11:42:00,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:42:00,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:42:00,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:42:00,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:42:00,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,394 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:42:00,403 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 [2022-11-16 11:42:00,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:42:00,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:42:00,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,441 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,451 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 [2022-11-16 11:42:00,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:42:00,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:42:00,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:42:00,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:42:00,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,488 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:42:00,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:42:00,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:42:00,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:42:00,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,544 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 [2022-11-16 11:42:00,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:42:00,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:42:00,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:42:00,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 11:42:00,625 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 [2022-11-16 11:42:00,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:42:00,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,639 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 11:42:00,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,640 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 11:42:00,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:42:00,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,655 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,672 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 [2022-11-16 11:42:00,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 11:42:00,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:42:00,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:42:00,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,717 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,727 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 [2022-11-16 11:42:00,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:42:00,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:42:00,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 11:42:00,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:42:00,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,772 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 11:42:00,780 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 [2022-11-16 11:42:00,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:42:00,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:42:00,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:42:00,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:42:00,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:42:00,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:42:00,830 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:42:00,869 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-16 11:42:00,869 INFO L444 ModelExtractionUtils]: 22 out of 31 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-11-16 11:42:00,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:42:00,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:00,881 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:00,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:42:00,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 11:42:00,912 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:42:00,922 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:42:00,923 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrnlen_~cp~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_cstrnlen_~cp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2022-11-16 11:42:00,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:00,970 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 11:42:01,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:01,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:42:01,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:42:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:01,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:42:01,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:42:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:42:01,200 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:42:01,202 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 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) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-16 11:42:01,278 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 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). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 45 states and 53 transitions. Complement of second has 7 states. [2022-11-16 11:42:01,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:42:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-16 11:42:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2022-11-16 11:42:01,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-16 11:42:01,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:42:01,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-16 11:42:01,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:42:01,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-16 11:42:01,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:42:01,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 53 transitions. [2022-11-16 11:42:01,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:42:01,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 23 transitions. [2022-11-16 11:42:01,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:42:01,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 11:42:01,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-11-16 11:42:01,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:42:01,297 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-16 11:42:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-11-16 11:42:01,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-16 11:42:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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) [2022-11-16 11:42:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2022-11-16 11:42:01,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-16 11:42:01,324 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-16 11:42:01,325 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:42:01,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2022-11-16 11:42:01,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:42:01,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:42:01,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:42:01,326 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 11:42:01,326 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 11:42:01,326 INFO L748 eck$LassoCheckResult]: Stem: 141#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 142#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 146#L558 assume !(main_~length1~0#1 < 1); 147#L558-2 assume !(main_~n~0#1 < 1); 151#L561-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset, cstrnlen_#t~post3#1, cstrnlen_#t~mem4#1, cstrnlen_#t~short5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset; 152#L551-6 cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 18446744073709551616; 143#L551-1 [2022-11-16 11:42:01,327 INFO L750 eck$LassoCheckResult]: Loop: 143#L551-1 assume !cstrnlen_#t~short5#1; 148#L551-3 assume !!cstrnlen_#t~short5#1;havoc cstrnlen_#t~mem4#1;havoc cstrnlen_#t~short5#1; 137#L551-5 cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post2#1.base, 1 + cstrnlen_#t~post2#1.offset;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset;cstrnlen_#t~post3#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post3#1 - 1;havoc cstrnlen_#t~post3#1; 138#L551-6 cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 18446744073709551616; 143#L551-1 [2022-11-16 11:42:01,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:01,327 INFO L85 PathProgramCache]: Analyzing trace with hash 889572237, now seen corresponding path program 1 times [2022-11-16 11:42:01,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:01,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338796116] [2022-11-16 11:42:01,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:01,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:42:01,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:42:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:42:01,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:42:01,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:01,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1668346, now seen corresponding path program 1 times [2022-11-16 11:42:01,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:01,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320554072] [2022-11-16 11:42:01,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:01,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:42:01,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:42:01,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320554072] [2022-11-16 11:42:01,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320554072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:42:01,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:42:01,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:42:01,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117408944] [2022-11-16 11:42:01,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:42:01,422 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:42:01,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:42:01,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:42:01,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:42:01,426 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-16 11:42:01,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:01,440 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2022-11-16 11:42:01,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-11-16 11:42:01,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:42:01,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2022-11-16 11:42:01,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:42:01,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:42:01,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:42:01,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:42:01,442 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:42:01,443 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:42:01,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:42:01,444 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:42:01,444 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:42:01,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:42:01,445 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:42:01,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:42:01,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:42:01 BoogieIcfgContainer [2022-11-16 11:42:01,453 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:42:01,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:42:01,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:42:01,454 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:42:01,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:58" (3/4) ... [2022-11-16 11:42:01,460 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:42:01,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:42:01,461 INFO L158 Benchmark]: Toolchain (without parser) took 4498.18ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 94.5MB in the beginning and 103.0MB in the end (delta: -8.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-11-16 11:42:01,462 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory was 111.8MB in the beginning and 111.8MB in the end (delta: 68.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:42:01,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.26ms. Allocated memory is still 138.4MB. Free memory was 94.3MB in the beginning and 105.9MB in the end (delta: -11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:42:01,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.33ms. Allocated memory is still 138.4MB. Free memory was 105.9MB in the beginning and 104.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:42:01,464 INFO L158 Benchmark]: Boogie Preprocessor took 55.14ms. Allocated memory is still 138.4MB. Free memory was 104.0MB in the beginning and 102.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:42:01,465 INFO L158 Benchmark]: RCFGBuilder took 401.87ms. Allocated memory is still 138.4MB. Free memory was 102.6MB in the beginning and 92.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:42:01,465 INFO L158 Benchmark]: BuchiAutomizer took 3443.78ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 91.8MB in the beginning and 104.1MB in the end (delta: -12.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-16 11:42:01,466 INFO L158 Benchmark]: Witness Printer took 6.89ms. Allocated memory is still 172.0MB. Free memory was 104.1MB in the beginning and 103.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:42:01,469 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 138.4MB. Free memory was 111.8MB in the beginning and 111.8MB in the end (delta: 68.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.26ms. Allocated memory is still 138.4MB. Free memory was 94.3MB in the beginning and 105.9MB in the end (delta: -11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.33ms. Allocated memory is still 138.4MB. Free memory was 105.9MB in the beginning and 104.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.14ms. Allocated memory is still 138.4MB. Free memory was 104.0MB in the beginning and 102.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.87ms. Allocated memory is still 138.4MB. Free memory was 102.6MB in the beginning and 92.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3443.78ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 91.8MB in the beginning and 104.1MB in the end (delta: -12.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 6.89ms. Allocated memory is still 172.0MB. Free memory was 104.1MB in the beginning and 103.0MB in the end (delta: 1.0MB). 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * cp + unknown-#length-unknown[nondetString1] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 26 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax112 hnf100 lsp72 ukn100 mio100 lsp52 div156 bol100 ite100 ukn100 eq168 hnf91 smp73 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2022-11-16 11:42:01,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:42:01,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8e6635-24c1-4e27-841a-bf62409f6caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE