./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/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_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/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_147a2b87-5071-4f3d-8719-33ce4191bb67/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 d4de5096855b305f822a5b563f81ee8d3b63add498dc60d311755a4f31b28f6b --- 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 12:35:31,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:35:31,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:35:31,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:35:31,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:35:31,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:35:31,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:35:31,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:35:31,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:35:31,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:35:31,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:35:31,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:35:31,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:35:31,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:35:31,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:35:31,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:35:31,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:35:31,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:35:31,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:35:31,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:35:31,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:35:32,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:35:32,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:35:32,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:35:32,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:35:32,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:35:32,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:35:32,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:35:32,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:35:32,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:35:32,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:35:32,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:35:32,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:35:32,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:35:32,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:35:32,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:35:32,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:35:32,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:35:32,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:35:32,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:35:32,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:35:32,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:35:32,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:35:32,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:35:32,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:35:32,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:35:32,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:35:32,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:35:32,093 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:35:32,094 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:35:32,094 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:35:32,094 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:35:32,096 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:35:32,096 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:35:32,096 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:35:32,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:35:32,097 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:35:32,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:35:32,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:35:32,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:35:32,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:35:32,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:35:32,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:35:32,099 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:35:32,099 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:35:32,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:35:32,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:35:32,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:35:32,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:35:32,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:35:32,104 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:35:32,104 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_147a2b87-5071-4f3d-8719-33ce4191bb67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4de5096855b305f822a5b563f81ee8d3b63add498dc60d311755a4f31b28f6b [2022-11-16 12:35:32,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:35:32,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:35:32,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:35:32,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:35:32,568 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:35:32,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2022-11-16 12:35:32,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/data/59eb0d9fc/20d622bbecf74605a001bd145cd97add/FLAGc043e6b34 [2022-11-16 12:35:33,367 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:35:33,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2022-11-16 12:35:33,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/data/59eb0d9fc/20d622bbecf74605a001bd145cd97add/FLAGc043e6b34 [2022-11-16 12:35:33,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/data/59eb0d9fc/20d622bbecf74605a001bd145cd97add [2022-11-16 12:35:33,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:35:33,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:35:33,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:35:33,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:35:33,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:35:33,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:35:33" (1/1) ... [2022-11-16 12:35:33,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2603136f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:33, skipping insertion in model container [2022-11-16 12:35:33,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:35:33" (1/1) ... [2022-11-16 12:35:33,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:35:33,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:35:34,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:35:34,073 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:35:34,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:35:34,177 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:35:34,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34 WrapperNode [2022-11-16 12:35:34,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:35:34,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:35:34,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:35:34,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:35:34,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,255 INFO L138 Inliner]: procedures = 111, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-11-16 12:35:34,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:35:34,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:35:34,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:35:34,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:35:34,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,312 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:35:34,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:35:34,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:35:34,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:35:34,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (1/1) ... [2022-11-16 12:35:34,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:34,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:34,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:34,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:35:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:35:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:35:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:35:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:35:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:35:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:35:34,608 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:35:34,610 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:35:34,731 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:35:34,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:35:34,739 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:35:34,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:34 BoogieIcfgContainer [2022-11-16 12:35:34,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:35:34,743 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:35:34,743 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:35:34,748 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:35:34,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:35:34,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:35:33" (1/3) ... [2022-11-16 12:35:34,751 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bb613d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:35:34, skipping insertion in model container [2022-11-16 12:35:34,751 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:35:34,752 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:34" (2/3) ... [2022-11-16 12:35:34,752 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bb613d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:35:34, skipping insertion in model container [2022-11-16 12:35:34,752 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:35:34,752 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:34" (3/3) ... [2022-11-16 12:35:34,754 INFO L332 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-1.i [2022-11-16 12:35:34,817 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:35:34,817 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:35:34,817 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:35:34,817 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:35:34,818 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:35:34,818 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:35:34,818 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:35:34,818 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:35:34,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 12:35:34,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:35:34,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:34,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:34,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 12:35:34,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:35:34,881 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:35:34,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 12:35:34,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 12:35:34,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:35:34,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:35:34,884 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 12:35:34,884 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:35:34,894 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~ret10#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 11#L562true assume !(main_~length1~0#1 < 1); 13#L562-2true call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#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_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet8#1 % 256 <= 127 then main_#t~nondet8#1 % 256 else main_#t~nondet8#1 % 256 - 256), (if main_#t~nondet9#1 % 256 <= 127 then main_#t~nondet9#1 % 256 else main_#t~nondet9#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_#t~mem2#1, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0; 4#L551-3true [2022-11-16 12:35:34,895 INFO L750 eck$LassoCheckResult]: Loop: 4#L551-3true call cstrreplace_#t~mem2#1 := read~int(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 5#L551-1true assume !!(0 != cstrreplace_#t~mem2#1);havoc cstrreplace_#t~mem2#1;call cstrreplace_#t~mem3#1 := read~int(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 7#L552true assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1; 8#L552-2true cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset; 4#L551-3true [2022-11-16 12:35:34,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:34,919 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-16 12:35:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:34,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197618695] [2022-11-16 12:35:34,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:34,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:35,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:35,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:35,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:35,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1359562, now seen corresponding path program 1 times [2022-11-16 12:35:35,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:35,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218461802] [2022-11-16 12:35:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:35,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:35,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:35,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:35,353 INFO L85 PathProgramCache]: Analyzing trace with hash 176704686, now seen corresponding path program 1 times [2022-11-16 12:35:35,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:35:35,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652397384] [2022-11-16 12:35:35,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:35:35,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:35:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:35,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:35:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:35:35,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:35:36,645 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:35:36,646 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:35:36,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:35:36,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:35:36,647 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:35:36,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:36,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:35:36,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:35:36,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-1.i_Iteration1_Lasso [2022-11-16 12:35:36,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:35:36,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:35:36,683 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 12:35:36,701 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 12:35:36,705 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 12:35:36,709 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 12:35:36,713 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 12:35:36,719 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 12:35:37,523 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 12:35:37,529 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 12:35:37,534 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 12:35:37,539 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 12:35:37,544 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 12:35:37,548 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 12:35:37,554 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 12:35:37,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:35:37,570 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 12:35:38,636 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:35:38,645 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:35:38,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:35:38,668 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 12:35:38,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:38,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:38,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:35:38,740 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 12:35:38,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:38,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:38,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:38,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,788 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 12:35:38,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:35:38,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:38,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:38,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,842 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 12:35:38,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:35:38,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:35:38,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:35:38,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:35:38,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,881 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,892 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 12:35:38,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:35:38,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:38,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:38,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:38,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:38,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:38,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:38,950 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:38,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:35:38,957 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 12:35:38,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:38,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:38,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:38,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:38,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:38,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,028 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:35:39,036 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 12:35:39,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,101 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,114 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 12:35:39,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:35:39,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,164 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:35:39,169 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 12:35:39,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,225 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,241 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 12:35:39,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:35:39,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,257 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-16 12:35:39,257 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:35:39,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,277 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-16 12:35:39,277 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 12:35:39,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:35:39,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,329 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,342 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 12:35:39,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:35:39,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:35:39,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:35:39,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:35:39,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:35:39,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:35:39,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:35:39,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:35:39,464 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-16 12:35:39,464 INFO L444 ModelExtractionUtils]: 17 out of 31 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-16 12:35:39,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:35:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:35:39,473 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:35:39,484 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:35:39,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:35:39,509 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:35:39,510 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:35:39,510 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_cstrreplace_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_cstrreplace_~p~0#1.offset Supporting invariants [] [2022-11-16 12:35:39,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:39,547 INFO L156 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 12:35:39,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:35:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:39,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:35:39,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:35:39,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:35:39,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:35:39,804 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 12:35:39,875 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 12:35:39,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:39,974 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 6 states. [2022-11-16 12:35:39,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:35:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:35:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-16 12:35:39,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-16 12:35:39,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:39,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 4 letters. [2022-11-16 12:35:39,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:39,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 8 letters. [2022-11-16 12:35:39,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:35:39,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-11-16 12:35:39,989 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:35:40,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-11-16 12:35:40,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:35:40,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:35:40,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:35:40,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:35:40,019 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:35:40,019 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:35:40,019 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:35:40,019 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:35:40,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:35:40,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:35:40,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:35:40,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:35:40 BoogieIcfgContainer [2022-11-16 12:35:40,028 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:35:40,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:35:40,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:35:40,029 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:35:40,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:34" (3/4) ... [2022-11-16 12:35:40,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:35:40,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:35:40,035 INFO L158 Benchmark]: Toolchain (without parser) took 6422.48ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 76.1MB in the beginning and 64.1MB in the end (delta: 12.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-16 12:35:40,051 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:35:40,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.01ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 86.9MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:35:40,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.46ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 85.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:35:40,054 INFO L158 Benchmark]: Boogie Preprocessor took 65.98ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:35:40,055 INFO L158 Benchmark]: RCFGBuilder took 416.65ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 72.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:35:40,056 INFO L158 Benchmark]: BuchiAutomizer took 5285.53ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 72.9MB in the beginning and 64.1MB in the end (delta: 8.8MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-16 12:35:40,056 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 153.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:35:40,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.01ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 86.9MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.46ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 85.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.98ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.65ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 72.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5285.53ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 72.9MB in the beginning and 64.1MB in the end (delta: 8.8MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 153.1MB. Free memory is still 64.1MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[nondetString1] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. 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 0. Automata minimization No data available. 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 8 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax108 hnf100 lsp96 ukn82 mio100 lsp35 div151 bol100 ite100 ukn100 eq168 hnf91 smp73 dnf130 smp76 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 91ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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 12:35:40,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:35:40,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_147a2b87-5071-4f3d-8719-33ce4191bb67/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