./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6bebda7974b4ee09f480826bc3895f6f62b6e4c0586920bb97da4d140e226dad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:49:35,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:49:35,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:49:35,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:49:35,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:49:35,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:49:35,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:49:35,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:49:35,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:49:35,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:49:35,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:49:35,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:49:35,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:49:35,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:49:35,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:49:35,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:49:35,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:49:35,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:49:35,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:49:35,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:49:35,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:49:35,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:49:35,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:49:35,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:49:35,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:49:35,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:49:35,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:49:35,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:49:35,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:49:35,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:49:35,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:49:35,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:49:35,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:49:35,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:49:35,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:49:35,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:49:35,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:49:35,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:49:35,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:49:35,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:49:35,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:49:35,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:49:35,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:49:36,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:49:36,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:49:36,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:49:36,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:49:36,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:49:36,004 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:49:36,005 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:49:36,005 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:49:36,005 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:49:36,006 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:49:36,007 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:49:36,007 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:49:36,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:49:36,008 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:49:36,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:49:36,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:49:36,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:49:36,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:49:36,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:49:36,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:49:36,020 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:49:36,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:49:36,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:49:36,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:49:36,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:49:36,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:49:36,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:49:36,023 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:49:36,023 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_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bebda7974b4ee09f480826bc3895f6f62b6e4c0586920bb97da4d140e226dad [2022-11-16 11:49:36,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:49:36,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:49:36,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:49:36,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:49:36,423 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:49:36,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i [2022-11-16 11:49:36,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/data/136044c6a/d5326eb757ed436e97a71c55c43201d6/FLAG0373ba018 [2022-11-16 11:49:37,283 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:49:37,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i [2022-11-16 11:49:37,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/data/136044c6a/d5326eb757ed436e97a71c55c43201d6/FLAG0373ba018 [2022-11-16 11:49:37,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/data/136044c6a/d5326eb757ed436e97a71c55c43201d6 [2022-11-16 11:49:37,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:49:37,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:49:37,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:49:37,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:49:37,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:49:37,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:49:37" (1/1) ... [2022-11-16 11:49:37,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6162a56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37, skipping insertion in model container [2022-11-16 11:49:37,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:49:37" (1/1) ... [2022-11-16 11:49:37,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:49:37,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:49:38,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:49:38,057 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:49:38,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:49:38,182 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:49:38,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38 WrapperNode [2022-11-16 11:49:38,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:49:38,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:49:38,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:49:38,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:49:38,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,291 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-11-16 11:49:38,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:49:38,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:49:38,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:49:38,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:49:38,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,343 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:49:38,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:49:38,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:49:38,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:49:38,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (1/1) ... [2022-11-16 11:49:38,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:38,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:38,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:38,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:49:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:49:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:49:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:49:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:49:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:49:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:49:38,565 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:49:38,568 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:49:38,846 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:49:38,853 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:49:38,854 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:49:38,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:38 BoogieIcfgContainer [2022-11-16 11:49:38,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:49:38,861 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:49:38,861 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:49:38,879 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:49:38,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:49:38,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:49:37" (1/3) ... [2022-11-16 11:49:38,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@330269a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:49:38, skipping insertion in model container [2022-11-16 11:49:38,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:49:38,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:38" (2/3) ... [2022-11-16 11:49:38,882 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@330269a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:49:38, skipping insertion in model container [2022-11-16 11:49:38,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:49:38,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:38" (3/3) ... [2022-11-16 11:49:38,884 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcspn_diffterm_alloca.i [2022-11-16 11:49:39,011 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:49:39,011 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:49:39,011 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:49:39,011 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:49:39,011 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:49:39,011 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:49:39,012 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:49:39,012 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:49:39,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:39,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:49:39,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:39,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:39,082 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:49:39,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-16 11:49:39,083 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:49:39,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:39,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:49:39,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:39,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:39,088 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:49:39,088 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-16 11:49:39,100 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 4#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 8#L369-4true [2022-11-16 11:49:39,101 INFO L750 eck$LassoCheckResult]: Loop: 8#L369-4true call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(49 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 6#L372-5true assume !true; 5#L372-6true call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 17#L374true assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 9#L369-3true cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 8#L369-4true [2022-11-16 11:49:39,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-16 11:49:39,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:39,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675890023] [2022-11-16 11:49:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:39,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:39,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:39,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:39,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:39,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2022-11-16 11:49:39,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:39,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895707164] [2022-11-16 11:49:39,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:39,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:39,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:49:39,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895707164] [2022-11-16 11:49:39,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895707164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:49:39,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:49:39,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:49:39,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302058357] [2022-11-16 11:49:39,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:49:39,553 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:49:39,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:49:39,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:49:39,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:49:39,608 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-11-16 11:49:39,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:49:39,617 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-16 11:49:39,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-16 11:49:39,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:49:39,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2022-11-16 11:49:39,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 11:49:39,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-16 11:49:39,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-16 11:49:39,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:49:39,644 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-16 11:49:39,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-16 11:49:39,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-16 11:49:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-16 11:49:39,680 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-16 11:49:39,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:49:39,685 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-16 11:49:39,686 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:49:39,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-16 11:49:39,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:49:39,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:39,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:39,690 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:49:39,690 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:39,691 INFO L748 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 45#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 52#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 46#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 47#L369-4 [2022-11-16 11:49:39,691 INFO L750 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 53#L369-1 assume !!(49 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 50#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 49 != cstrcspn_#t~mem208#1; 51#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 55#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 48#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 49#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 54#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 47#L369-4 [2022-11-16 11:49:39,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:39,695 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-11-16 11:49:39,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:39,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102500824] [2022-11-16 11:49:39,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:39,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:39,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:39,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:39,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:39,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2022-11-16 11:49:39,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:39,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175853028] [2022-11-16 11:49:39,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:39,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:39,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:39,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:39,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:39,920 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2022-11-16 11:49:39,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:39,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797436972] [2022-11-16 11:49:39,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:39,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:39,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:40,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:41,600 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:49:41,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:49:41,601 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:49:41,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:49:41,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:49:41,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:41,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:49:41,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:49:41,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration2_Lasso [2022-11-16 11:49:41,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:49:41,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:49:41,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,676 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:41,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:42,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:42,872 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:42,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:42,879 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:42,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:42,887 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:42,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:44,184 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:49:44,189 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:49:44,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:49:44,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-16 11:49:44,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:49:44,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:49:44,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:49:44,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:44,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:44,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,426 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:49:44,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,469 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:49:44,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,504 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:49:44,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:44,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:44,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,570 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:49:44,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,605 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:49:44,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,648 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 11:49:44,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,696 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 11:49:44,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:44,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:44,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-16 11:49:44,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,729 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 11:49:44,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:44,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:44,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,811 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 11:49:44,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:44,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:44,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,874 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 11:49:44,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:44,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:44,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:44,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:44,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:44,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:44,950 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:44,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:44,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 11:49:44,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:44,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:44,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:44,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:44,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:44,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:44,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:44,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:45,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:45,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:45,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:45,012 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:45,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 11:49:45,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:45,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:45,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:45,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:45,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:45,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:45,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:45,079 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:49:45,147 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-16 11:49:45,147 INFO L444 ModelExtractionUtils]: 16 out of 31 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-16 11:49:45,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:45,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:45,171 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:45,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 11:49:45,231 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:49:45,261 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:49:45,261 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:49:45,261 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1) = -1*ULTIMATE.start_cstrcspn_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 Supporting invariants [] [2022-11-16 11:49:45,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-16 11:49:45,371 INFO L156 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2022-11-16 11:49:45,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:45,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:49:45,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:45,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:49:45,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:45,681 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:49:45,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:45,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2022-11-16 11:49:45,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:49:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-11-16 11:49:45,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-16 11:49:45,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:49:45,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2022-11-16 11:49:45,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:49:45,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2022-11-16 11:49:45,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:49:45,801 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2022-11-16 11:49:45,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:49:45,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2022-11-16 11:49:45,803 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-16 11:49:45,803 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:49:45,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-11-16 11:49:45,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:49:45,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-16 11:49:45,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-11-16 11:49:45,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-16 11:49:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-11-16 11:49:45,806 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-16 11:49:45,807 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-16 11:49:45,807 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:49:45,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-11-16 11:49:45,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:49:45,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:45,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:45,808 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:45,809 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:49:45,809 INFO L748 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 203#L382 assume !(main_~length1~0#1 < 1); 210#L382-2 assume !(main_~length2~0#1 < 1); 195#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 196#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 205#L369-1 assume !!(49 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 199#L372-5 [2022-11-16 11:49:45,809 INFO L750 eck$LassoCheckResult]: Loop: 199#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 49 != cstrcspn_#t~mem208#1; 200#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 208#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, 1 + cstrcspn_#t~post211#1.offset;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 199#L372-5 [2022-11-16 11:49:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:45,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2022-11-16 11:49:45,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:45,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657744676] [2022-11-16 11:49:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:45,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:45,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:45,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:45,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:45,868 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2022-11-16 11:49:45,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:45,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538155482] [2022-11-16 11:49:45,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:45,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:45,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:45,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:45,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:45,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2022-11-16 11:49:45,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:45,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934633155] [2022-11-16 11:49:45,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:45,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:45,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:45,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:46,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-11-16 11:49:47,331 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:49:47,331 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:49:47,331 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:49:47,331 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:49:47,331 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:49:47,331 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:47,331 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:49:47,332 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:49:47,332 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration3_Lasso [2022-11-16 11:49:47,332 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:49:47,332 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:49:47,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:47,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,332 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:48,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:49,695 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:49:49,695 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:49:49,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:49,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:49,697 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:49,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:49,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 11:49:49,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:49,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:49,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:49,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:49,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:49,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:49,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:49,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:49,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:49,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:49,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:49,747 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:49,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 11:49:49,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:49,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:49,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:49,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:49,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:49,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:49,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:49,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:49,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:49,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:49,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:49,824 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:49,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:49,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 11:49:49,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:49,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:49,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:49,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:49,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:49,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:49,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:49,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:49,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:49,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:49,887 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:49,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:49,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 11:49:49,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:49,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:49,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:49,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:49,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:49,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:49,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:49,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:49,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:49,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:49,933 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:49,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:49,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 11:49:49,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:49,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:49,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:49,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:49,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:49,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:50,016 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:49:50,197 INFO L443 ModelExtractionUtils]: Simplification made 35 calls to the SMT solver. [2022-11-16 11:49:50,197 INFO L444 ModelExtractionUtils]: 12 out of 55 variables were initially zero. Simplification set additionally 38 variables to zero. [2022-11-16 11:49:50,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:50,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:50,199 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:50,203 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:49:50,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 11:49:50,219 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 11:49:50,219 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:49:50,219 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset) = -2*ULTIMATE.start_cstrcspn_~s~0#1.offset + 36893488147419103229 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrcspn_~s~0#1.base)_2 + 18446744073709551615 >= 0] [2022-11-16 11:49:50,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:50,334 INFO L156 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2022-11-16 11:49:50,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:50,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 11:49:50,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:50,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:50,530 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 11:49:50,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-16 11:49:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:50,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:49:50,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:50,604 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 11:49:50,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:50,683 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2022-11-16 11:49:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:49:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-16 11:49:50,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-16 11:49:50,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:49:50,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-16 11:49:50,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:49:50,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-16 11:49:50,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:49:50,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-11-16 11:49:50,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:49:50,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2022-11-16 11:49:50,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 11:49:50,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 11:49:50,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2022-11-16 11:49:50,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:49:50,704 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-11-16 11:49:50,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2022-11-16 11:49:50,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2022-11-16 11:49:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-16 11:49:50,709 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-16 11:49:50,709 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-16 11:49:50,709 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 11:49:50,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-16 11:49:50,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:49:50,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:50,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:50,711 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:50,711 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:49:50,711 INFO L748 eck$LassoCheckResult]: Stem: 384#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 385#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 394#L382 assume !(main_~length1~0#1 < 1); 403#L382-2 assume !(main_~length2~0#1 < 1); 386#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 387#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 395#L369-1 assume !!(49 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 404#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 49 != cstrcspn_#t~mem208#1; 407#L372-1 assume !cstrcspn_#t~short210#1; 405#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 388#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 389#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 399#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 396#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 398#L369-1 assume !!(49 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 390#L372-5 [2022-11-16 11:49:50,712 INFO L750 eck$LassoCheckResult]: Loop: 390#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 49 != cstrcspn_#t~mem208#1; 391#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 400#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, 1 + cstrcspn_#t~post211#1.offset;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 390#L372-5 [2022-11-16 11:49:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2022-11-16 11:49:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:50,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975820748] [2022-11-16 11:49:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:50,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:50,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:50,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:50,822 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2022-11-16 11:49:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:50,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852241809] [2022-11-16 11:49:50,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:50,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:50,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:50,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:50,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:50,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2022-11-16 11:49:50,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:50,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816368022] [2022-11-16 11:49:50,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:50,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:51,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:49:51,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816368022] [2022-11-16 11:49:51,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816368022] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:49:51,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130100827] [2022-11-16 11:49:51,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:51,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:49:51,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:51,223 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:49:51,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-16 11:49:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:51,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-16 11:49:51,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:51,353 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 11:49:51,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-16 11:49:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:51,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:49:51,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:51,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130100827] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:49:51,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:49:51,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2022-11-16 11:49:51,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85949834] [2022-11-16 11:49:51,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:49:51,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:49:51,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:49:51,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:49:51,644 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:51,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:49:51,816 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2022-11-16 11:49:51,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 72 transitions. [2022-11-16 11:49:51,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:49:51,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 43 states and 53 transitions. [2022-11-16 11:49:51,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-16 11:49:51,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-16 11:49:51,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2022-11-16 11:49:51,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:49:51,821 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-16 11:49:51,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2022-11-16 11:49:51,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2022-11-16 11:49:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2022-11-16 11:49:51,825 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2022-11-16 11:49:51,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:49:51,827 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2022-11-16 11:49:51,827 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 11:49:51,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2022-11-16 11:49:51,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:49:51,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:51,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:51,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:51,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:49:51,829 INFO L748 eck$LassoCheckResult]: Stem: 589#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 590#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 599#L382 assume !(main_~length1~0#1 < 1); 608#L382-2 assume !(main_~length2~0#1 < 1); 591#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 592#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 600#L369-1 assume !!(49 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 613#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 49 != cstrcspn_#t~mem208#1; 606#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 607#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 593#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 594#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 604#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 601#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 603#L369-1 assume !!(49 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 595#L372-5 [2022-11-16 11:49:51,830 INFO L750 eck$LassoCheckResult]: Loop: 595#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 49 != cstrcspn_#t~mem208#1; 596#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 605#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, 1 + cstrcspn_#t~post211#1.offset;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 595#L372-5 [2022-11-16 11:49:51,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:51,830 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2022-11-16 11:49:51,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:51,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728077371] [2022-11-16 11:49:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:51,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:51,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:51,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:51,882 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2022-11-16 11:49:51,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:51,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674486485] [2022-11-16 11:49:51,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:51,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:51,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:51,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:51,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2022-11-16 11:49:51,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:51,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710274279] [2022-11-16 11:49:51,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:51,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:51,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:53,963 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:49:53,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:49:53,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:49:53,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:49:53,964 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:49:53,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:53,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:49:53,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:49:53,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration5_Lasso [2022-11-16 11:49:53,964 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:49:53,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:49:53,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:53,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:53,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:53,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:53,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:53,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,293 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,302 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:55,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:49:57,597 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:49:57,598 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:49:57,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:57,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:57,603 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:57,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:57,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 11:49:57,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:57,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:57,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:57,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:57,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:57,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:57,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:57,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:57,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:57,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:57,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:57,646 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:57,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:57,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 11:49:57,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:57,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:57,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:57,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:57,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:57,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:57,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:57,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:57,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:57,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:57,703 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:57,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:57,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 11:49:57,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:57,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:57,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:57,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:57,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:57,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:57,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:57,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:57,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:57,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:57,755 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:57,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:57,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:57,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:57,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:57,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:57,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:57,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 11:49:57,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:57,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:57,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:57,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:57,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:57,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:57,802 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:57,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:57,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 11:49:57,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:57,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:49:57,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:57,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:57,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:57,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:49:57,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:49:57,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:57,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:57,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:57,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:57,850 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:57,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:57,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 11:49:57,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:57,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:57,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:57,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:57,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:57,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:57,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:57,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:57,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:57,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:57,923 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:57,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:57,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 11:49:57,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:57,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:57,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:57,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:57,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:57,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:57,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:49:57,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:57,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:57,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:57,969 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:57,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:49:57,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 11:49:57,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:49:57,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:49:57,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:49:57,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:49:58,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:49:58,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:49:58,069 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:49:58,157 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2022-11-16 11:49:58,157 INFO L444 ModelExtractionUtils]: 27 out of 52 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-11-16 11:49:58,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:58,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:58,161 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:58,163 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:49:58,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 11:49:58,178 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 11:49:58,178 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:49:58,178 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_3) = -1*ULTIMATE.start_cstrcspn_~s~0#1.offset + 18446744073709551615*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_3 Supporting invariants [18446744073709551615*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_3 - 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3 >= 0] [2022-11-16 11:49:58,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:58,368 INFO L156 tatePredicateManager]: 26 out of 29 supporting invariants were superfluous and have been removed [2022-11-16 11:49:58,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:58,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 11:49:58,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:58,536 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 11:49:58,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-16 11:49:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:58,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:49:58,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:58,843 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-16 11:49:58,843 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:58,929 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 6 states. [2022-11-16 11:49:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:49:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-16 11:49:58,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-16 11:49:58,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:49:58,936 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:49:58,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:59,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-16 11:49:59,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:59,084 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 11:49:59,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-16 11:49:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:59,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:49:59,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:59,501 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-16 11:49:59,501 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:59,578 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 6 states. [2022-11-16 11:49:59,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:49:59,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:59,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 11:49:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-16 11:49:59,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-16 11:49:59,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:49:59,607 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:49:59,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:59,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 11:49:59,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:59,771 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 11:49:59,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-16 11:49:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:59,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:49:59,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:49:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:59,996 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 11:49:59,996 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:00,069 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 60 transitions. Complement of second has 5 states. [2022-11-16 11:50:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:50:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-11-16 11:50:00,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-16 11:50:00,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:50:00,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-16 11:50:00,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:50:00,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2022-11-16 11:50:00,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:50:00,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2022-11-16 11:50:00,079 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:50:00,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2022-11-16 11:50:00,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:50:00,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:50:00,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:50:00,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:50:00,080 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:50:00,080 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:50:00,080 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:50:00,080 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 11:50:00,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:50:00,081 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:50:00,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:50:00,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:50:00 BoogieIcfgContainer [2022-11-16 11:50:00,089 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:50:00,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:50:00,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:50:00,090 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:50:00,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:38" (3/4) ... [2022-11-16 11:50:00,094 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:50:00,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:50:00,095 INFO L158 Benchmark]: Toolchain (without parser) took 22554.57ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 79.3MB in the beginning and 122.5MB in the end (delta: -43.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 11:50:00,096 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:00,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.59ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 89.9MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:50:00,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.23ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:50:00,098 INFO L158 Benchmark]: Boogie Preprocessor took 61.85ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 86.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:50:00,098 INFO L158 Benchmark]: RCFGBuilder took 504.76ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 73.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:50:00,099 INFO L158 Benchmark]: BuchiAutomizer took 21227.64ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 73.2MB in the beginning and 122.5MB in the end (delta: -49.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-16 11:50:00,099 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 188.7MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:00,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.59ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 89.9MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.23ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.85ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 86.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.76ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 73.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 21227.64ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 73.2MB in the beginning and 122.5MB in the end (delta: -49.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 188.7MB. Free memory is still 122.5MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 3 locations. One deterministic module has affine ranking function -2 * s + 36893488147419103229 and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + 18446744073709551615 * unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 18.1s. Construction of modules took 0.2s. Büchi inclusion checks took 2.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 98 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital279 mio100 ax100 hnf100 lsp102 ukn80 mio100 lsp37 div165 bol100 ite100 ukn100 eq166 hnf91 smp67 dnf685 smp40 tf100 neg93 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:50:00,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-16 11:50:00,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfdc2dd-a201-4cbf-8097-75166bcf439b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE