./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 961e7f6fbd61acd9d4f1771460dcf26fd486b3de35e5e0e3ca8e6e03bda0fabc --- 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-2329fc7 [2022-12-13 10:56:20,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 10:56:20,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 10:56:20,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 10:56:20,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 10:56:20,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 10:56:20,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 10:56:20,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 10:56:20,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 10:56:20,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 10:56:20,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 10:56:20,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 10:56:20,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 10:56:20,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 10:56:20,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 10:56:20,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 10:56:20,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 10:56:20,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 10:56:20,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 10:56:20,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 10:56:20,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 10:56:20,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 10:56:20,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 10:56:20,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 10:56:20,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 10:56:20,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 10:56:20,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 10:56:20,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 10:56:20,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 10:56:20,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 10:56:20,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 10:56:20,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 10:56:20,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 10:56:20,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 10:56:20,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 10:56:20,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 10:56:20,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 10:56:20,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 10:56:20,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 10:56:20,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 10:56:20,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 10:56:20,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 10:56:20,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 10:56:20,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 10:56:20,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 10:56:20,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 10:56:20,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 10:56:20,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 10:56:20,339 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 10:56:20,339 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 10:56:20,339 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 10:56:20,339 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 10:56:20,339 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 10:56:20,339 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 10:56:20,340 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 10:56:20,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 10:56:20,340 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 10:56:20,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 10:56:20,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 10:56:20,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 10:56:20,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 10:56:20,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 10:56:20,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 10:56:20,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 10:56:20,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 10:56:20,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 10:56:20,341 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 10:56:20,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 10:56:20,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 10:56:20,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 10:56:20,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 10:56:20,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 10:56:20,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 10:56:20,343 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 10:56:20,343 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_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961e7f6fbd61acd9d4f1771460dcf26fd486b3de35e5e0e3ca8e6e03bda0fabc [2022-12-13 10:56:20,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 10:56:20,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 10:56:20,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 10:56:20,569 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 10:56:20,570 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 10:56:20,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2022-12-13 10:56:23,048 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 10:56:23,239 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 10:56:23,239 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2022-12-13 10:56:23,246 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/data/eb97f02f6/bf9f66ccfb824c4a89afd6190fa5f83a/FLAG05ba4bd0e [2022-12-13 10:56:23,624 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/data/eb97f02f6/bf9f66ccfb824c4a89afd6190fa5f83a [2022-12-13 10:56:23,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 10:56:23,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 10:56:23,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 10:56:23,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 10:56:23,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 10:56:23,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29420f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23, skipping insertion in model container [2022-12-13 10:56:23,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 10:56:23,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 10:56:23,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:56:23,836 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 10:56:23,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:56:23,879 INFO L208 MainTranslator]: Completed translation [2022-12-13 10:56:23,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23 WrapperNode [2022-12-13 10:56:23,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 10:56:23,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 10:56:23,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 10:56:23,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 10:56:23,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,907 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-12-13 10:56:23,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 10:56:23,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 10:56:23,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 10:56:23,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 10:56:23,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 10:56:23,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 10:56:23,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 10:56:23,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 10:56:23,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (1/1) ... [2022-12-13 10:56:23,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:23,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:23,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:23,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 10:56:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 10:56:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 10:56:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 10:56:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 10:56:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 10:56:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 10:56:24,051 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 10:56:24,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 10:56:24,135 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 10:56:24,139 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 10:56:24,139 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 10:56:24,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:56:24 BoogieIcfgContainer [2022-12-13 10:56:24,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 10:56:24,141 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 10:56:24,141 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 10:56:24,144 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 10:56:24,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 10:56:24,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:56:23" (1/3) ... [2022-12-13 10:56:24,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@430c6e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:56:24, skipping insertion in model container [2022-12-13 10:56:24,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 10:56:24,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:56:23" (2/3) ... [2022-12-13 10:56:24,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@430c6e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:56:24, skipping insertion in model container [2022-12-13 10:56:24,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 10:56:24,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:56:24" (3/3) ... [2022-12-13 10:56:24,148 INFO L332 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-2.i [2022-12-13 10:56:24,184 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 10:56:24,184 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 10:56:24,184 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 10:56:24,184 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 10:56:24,184 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 10:56:24,184 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 10:56:24,184 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 10:56:24,184 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 10:56:24,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:56:24,200 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-12-13 10:56:24,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 10:56:24,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 10:56:24,204 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 10:56:24,204 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 10:56:24,204 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 10:56:24,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:56:24,205 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-12-13 10:56:24,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 10:56:24,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 10:56:24,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 10:56:24,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 10:56:24,211 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 10#L528true assume !(main_~length1~0#1 < 1); 5#L528-2true call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 9#L533-3true [2022-12-13 10:56:24,211 INFO L750 eck$LassoCheckResult]: Loop: 9#L533-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet9#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 2#L533-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 9#L533-3true [2022-12-13 10:56:24,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:24,215 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-12-13 10:56:24,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:24,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562105066] [2022-12-13 10:56:24,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:24,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:24,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:56:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:24,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:56:24,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:24,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-12-13 10:56:24,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:24,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081784371] [2022-12-13 10:56:24,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:24,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:24,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:56:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:24,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:56:24,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:24,347 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-12-13 10:56:24,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:24,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146373849] [2022-12-13 10:56:24,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:24,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:24,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:56:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:24,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:56:24,611 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 10:56:24,611 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 10:56:24,611 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 10:56:24,612 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 10:56:24,612 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 10:56:24,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:24,612 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 10:56:24,612 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 10:56:24,612 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration1_Lasso [2022-12-13 10:56:24,612 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 10:56:24,613 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 10:56:24,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:24,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:25,005 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 10:56:25,008 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 10:56:25,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:25,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:25,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:25,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 10:56:25,013 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 [2022-12-13 10:56:25,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:25,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:25,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:25,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:25,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:25,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:25,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:25,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:25,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:25,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:25,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:25,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 10:56:25,047 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 [2022-12-13 10:56:25,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:25,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:25,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:25,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:25,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:25,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:25,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:25,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:25,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 10:56:25,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:25,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:25,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:25,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 10:56:25,067 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 [2022-12-13 10:56:25,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:25,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:25,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:25,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:25,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:25,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:25,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:25,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:25,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 10:56:25,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:25,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:25,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:25,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 10:56:25,088 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 [2022-12-13 10:56:25,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:25,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:25,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:25,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:25,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:25,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:25,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:25,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 10:56:25,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:25,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:25,110 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:25,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 10:56:25,113 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 [2022-12-13 10:56:25,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:25,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:25,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:25,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:25,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:25,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:25,144 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 10:56:25,163 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-12-13 10:56:25,163 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-12-13 10:56:25,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:25,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:25,197 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:25,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 10:56:25,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 10:56:25,210 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 10:56:25,210 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 10:56:25,210 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-12-13 10:56:25,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:25,222 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-12-13 10:56:25,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:25,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 10:56:25,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:56:25,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:25,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 10:56:25,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:56:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:56:25,310 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 [2022-12-13 10:56:25,312 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 10:56:25,345 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 38 states and 51 transitions. Complement of second has 7 states. [2022-12-13 10:56:25,347 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 [2022-12-13 10:56:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 10:56:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-12-13 10:56:25,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 10:56:25,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 10:56:25,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 10:56:25,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 10:56:25,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2022-12-13 10:56:25,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 10:56:25,352 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2022-12-13 10:56:25,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 10:56:25,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2022-12-13 10:56:25,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 10:56:25,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-12-13 10:56:25,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2022-12-13 10:56:25,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:56:25,358 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-12-13 10:56:25,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2022-12-13 10:56:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-12-13 10:56:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 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) [2022-12-13 10:56:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-12-13 10:56:25,374 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-12-13 10:56:25,374 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-12-13 10:56:25,374 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 10:56:25,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2022-12-13 10:56:25,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 10:56:25,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 10:56:25,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 10:56:25,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 10:56:25,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 10:56:25,375 INFO L748 eck$LassoCheckResult]: Stem: 118#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 119#L-1 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~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#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; 114#L528 assume !(main_~length1~0#1 < 1); 115#L528-2 call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 110#L533-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 112#L533-4 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~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#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; 116#L517-3 [2022-12-13 10:56:25,376 INFO L750 eck$LassoCheckResult]: Loop: 116#L517-3 call cstrreplace_#t~mem2#1 := read~int(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 120#L517-1 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); 121#L518 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; 117#L518-2 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; 116#L517-3 [2022-12-13 10:56:25,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:25,376 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-12-13 10:56:25,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:25,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100830675] [2022-12-13 10:56:25,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:25,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:56:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:56:25,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:25,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 1 times [2022-12-13 10:56:25,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:25,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14582752] [2022-12-13 10:56:25,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:25,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:56:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:56:25,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:25,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1952978730, now seen corresponding path program 1 times [2022-12-13 10:56:25,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:25,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412050342] [2022-12-13 10:56:25,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:25,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:56:25,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:56:25,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412050342] [2022-12-13 10:56:25,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412050342] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:56:25,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:56:25,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 10:56:25,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010982625] [2022-12-13 10:56:25,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:56:25,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:56:25,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 10:56:25,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 10:56:25,732 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:56:25,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:56:25,798 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2022-12-13 10:56:25,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-12-13 10:56:25,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 10:56:25,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2022-12-13 10:56:25,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-12-13 10:56:25,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-12-13 10:56:25,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2022-12-13 10:56:25,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:56:25,800 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-12-13 10:56:25,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2022-12-13 10:56:25,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-12-13 10:56:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:56:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-12-13 10:56:25,801 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-12-13 10:56:25,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 10:56:25,802 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-12-13 10:56:25,802 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 10:56:25,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-12-13 10:56:25,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 10:56:25,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 10:56:25,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 10:56:25,803 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:56:25,803 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 10:56:25,803 INFO L748 eck$LassoCheckResult]: Stem: 164#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 165#L-1 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~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#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; 160#L528 assume !(main_~length1~0#1 < 1); 161#L528-2 call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 156#L533-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet9#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 157#L533-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 158#L533-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 159#L533-4 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~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#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; 162#L517-3 [2022-12-13 10:56:25,803 INFO L750 eck$LassoCheckResult]: Loop: 162#L517-3 call cstrreplace_#t~mem2#1 := read~int(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 166#L517-1 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); 167#L518 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; 163#L518-2 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; 162#L517-3 [2022-12-13 10:56:25,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:25,803 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-12-13 10:56:25,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:25,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828740363] [2022-12-13 10:56:25,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:25,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:56:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:56:25,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:25,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 2 times [2022-12-13 10:56:25,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:25,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515369583] [2022-12-13 10:56:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:25,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:56:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:56:25,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash -357903304, now seen corresponding path program 1 times [2022-12-13 10:56:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010734229] [2022-12-13 10:56:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:25,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:56:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:56:25,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:56:26,415 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 10:56:26,415 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 10:56:26,415 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 10:56:26,415 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 10:56:26,415 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 10:56:26,415 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:26,415 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 10:56:26,415 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 10:56:26,416 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration3_Lasso [2022-12-13 10:56:26,416 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 10:56:26,416 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 10:56:26,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,434 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,827 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:26,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 10:56:27,409 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 10:56:27,409 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 10:56:27,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,410 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 10:56:27,412 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 [2022-12-13 10:56:27,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:27,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:27,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:27,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:27,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,428 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 10:56:27,430 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 [2022-12-13 10:56:27,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:27,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:27,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:27,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 10:56:27,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,445 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 10:56:27,447 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 [2022-12-13 10:56:27,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:27,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:27,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:27,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:27,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,463 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 10:56:27,465 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 [2022-12-13 10:56:27,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:27,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:27,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 10:56:27,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,483 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 10:56:27,485 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 [2022-12-13 10:56:27,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:27,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:27,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 10:56:27,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,504 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 10:56:27,506 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 [2022-12-13 10:56:27,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:27,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:27,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:27,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 10:56:27,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,521 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 10:56:27,523 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 [2022-12-13 10:56:27,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:27,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:27,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:27,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 10:56:27,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,538 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 10:56:27,541 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 [2022-12-13 10:56:27,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:27,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:27,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:27,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 10:56:27,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,556 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 10:56:27,558 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 [2022-12-13 10:56:27,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 10:56:27,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 10:56:27,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 10:56:27,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:27,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,573 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 10:56:27,575 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 [2022-12-13 10:56:27,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:27,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:27,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:27,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,592 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 10:56:27,594 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 [2022-12-13 10:56:27,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:27,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:27,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:27,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,622 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 10:56:27,624 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 [2022-12-13 10:56:27,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,634 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 10:56:27,634 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 10:56:27,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,643 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-12-13 10:56:27,643 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 10:56:27,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 10:56:27,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,670 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 10:56:27,672 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 [2022-12-13 10:56:27,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:27,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:27,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 10:56:27,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,691 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 10:56:27,693 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 [2022-12-13 10:56:27,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:27,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:27,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 10:56:27,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,711 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 10:56:27,713 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 [2022-12-13 10:56:27,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,723 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 10:56:27,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,727 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 10:56:27,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:27,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 10:56:27,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 10:56:27,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,736 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 10:56:27,739 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 [2022-12-13 10:56:27,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 10:56:27,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 10:56:27,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 10:56:27,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 10:56:27,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 10:56:27,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 10:56:27,767 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 10:56:27,789 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-12-13 10:56:27,789 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-12-13 10:56:27,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 10:56:27,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:27,790 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 10:56:27,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 10:56:27,792 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 10:56:27,803 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 10:56:27,803 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 10:56:27,803 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2, ULTIMATE.start_cstrreplace_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2 - 1*ULTIMATE.start_cstrreplace_~p~0#1.offset Supporting invariants [] [2022-12-13 10:56:27,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:27,820 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-12-13 10:56:27,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:27,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 10:56:27,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:56:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:27,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 10:56:27,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:56:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:56:27,908 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-12-13 10:56:27,908 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:56:27,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 5 states. [2022-12-13 10:56:27,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 10:56:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:56:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-12-13 10:56:27,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2022-12-13 10:56:27,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 10:56:27,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2022-12-13 10:56:27,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 10:56:27,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2022-12-13 10:56:27,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 10:56:27,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2022-12-13 10:56:27,943 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 10:56:27,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-12-13 10:56:27,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 10:56:27,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 10:56:27,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 10:56:27,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:56:27,944 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 10:56:27,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 10:56:27,944 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 10:56:27,944 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 10:56:27,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 10:56:27,944 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 10:56:27,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 10:56:27,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:56:27 BoogieIcfgContainer [2022-12-13 10:56:27,951 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 10:56:27,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 10:56:27,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 10:56:27,952 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 10:56:27,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:56:24" (3/4) ... [2022-12-13 10:56:27,955 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 10:56:27,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 10:56:27,956 INFO L158 Benchmark]: Toolchain (without parser) took 4328.94ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 94.8MB in the beginning and 90.7MB in the end (delta: 4.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-12-13 10:56:27,956 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:56:27,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.89ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 78.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 10:56:27,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.36ms. Allocated memory is still 130.0MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 10:56:27,957 INFO L158 Benchmark]: Boogie Preprocessor took 16.62ms. Allocated memory is still 130.0MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:56:27,958 INFO L158 Benchmark]: RCFGBuilder took 215.45ms. Allocated memory is still 130.0MB. Free memory was 75.6MB in the beginning and 64.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 10:56:27,958 INFO L158 Benchmark]: BuchiAutomizer took 3810.51ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 64.2MB in the beginning and 90.7MB in the end (delta: -26.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2022-12-13 10:56:27,958 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 157.3MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:56:27,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.89ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 78.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.36ms. Allocated memory is still 130.0MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.62ms. Allocated memory is still 130.0MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 215.45ms. Allocated memory is still 130.0MB. Free memory was 75.6MB in the beginning and 64.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3810.51ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 64.2MB in the beginning and 90.7MB in the end (delta: -26.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 157.3MB. Free memory is still 90.7MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 31 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital153 mio100 ax113 hnf100 lsp87 ukn85 mio100 lsp48 div163 bol100 ite100 ukn100 eq161 hnf92 smp75 dnf126 smp83 tf100 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 8 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! [2022-12-13 10:56:27,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-12-13 10:56:28,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bf3511-358d-40f1-8dfe-eb8311f13f67/bin/uautomizer-uyxdKDjOR8/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