./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a 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_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 8fbd99b1bfb27b318d252229087f8d9132096866b72085e8874326b5a6d541b4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:09,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:09,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 21:58:09,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:09,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:09,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:09,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:09,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:09,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:09,940 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:09,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:09,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:09,942 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:09,943 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:58:09,944 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:58:09,944 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:58:09,944 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:58:09,947 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:58:09,947 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:58:09,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:09,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:58:09,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:09,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:09,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:58:09,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:58:09,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:58:09,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:09,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:09,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:09,954 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:58:09,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:09,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:09,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:09,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:09,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:09,956 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:58:09,957 INFO L153 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_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fbd99b1bfb27b318d252229087f8d9132096866b72085e8874326b5a6d541b4 [2024-10-31 21:58:10,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:10,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:10,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:10,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:10,350 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:10,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i Unable to find full path for "g++" [2024-10-31 21:58:12,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:12,592 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:12,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i [2024-10-31 21:58:12,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/data/e8a1a498a/ca777f1c0bff410fa983f8e0c01833ff/FLAG64ca29ee8 [2024-10-31 21:58:12,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/data/e8a1a498a/ca777f1c0bff410fa983f8e0c01833ff [2024-10-31 21:58:12,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:12,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:12,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:12,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:12,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:12,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62485730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12, skipping insertion in model container [2024-10-31 21:58:12,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:13,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:13,190 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:13,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:13,291 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:13,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13 WrapperNode [2024-10-31 21:58:13,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:13,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:13,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:13,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:13,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,337 INFO L138 Inliner]: procedures = 110, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2024-10-31 21:58:13,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:13,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:13,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:13,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:13,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,365 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [3, 6, 5]. 43 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 5 writes are split as follows [1, 3, 1]. [2024-10-31 21:58:13,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:13,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:13,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:13,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:13,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (1/1) ... [2024-10-31 21:58:13,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:13,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:13,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:13,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:58:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:58:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:13,572 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:13,578 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:13,802 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:13,803 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:13,815 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:13,816 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:58:13,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:13 BoogieIcfgContainer [2024-10-31 21:58:13,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:13,819 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:58:13,819 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:58:13,823 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:58:13,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:13,824 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:58:12" (1/3) ... [2024-10-31 21:58:13,826 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@409156eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:58:13, skipping insertion in model container [2024-10-31 21:58:13,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:13,826 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:13" (2/3) ... [2024-10-31 21:58:13,828 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@409156eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:58:13, skipping insertion in model container [2024-10-31 21:58:13,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:13,829 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:13" (3/3) ... [2024-10-31 21:58:13,830 INFO L332 chiAutomizerObserver]: Analyzing ICFG GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i [2024-10-31 21:58:13,878 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:58:13,878 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:58:13,878 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:58:13,878 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:58:13,878 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:58:13,878 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:58:13,878 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:58:13,879 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:58:13,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2024-10-31 21:58:13,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:13,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:13,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:13,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:58:13,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:13,908 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:58:13,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2024-10-31 21:58:13,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:13,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:13,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:13,910 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:58:13,910 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:13,918 INFO L745 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;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~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 9#L552true assume !main_#t~short9#1; 10#L552-2true assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 6#L556-2true [2024-10-31 21:58:13,919 INFO L747 eck$LassoCheckResult]: Loop: 6#L556-2true call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 13#L555-1true assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 4#L555-3true assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 5#L556true assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 6#L556-2true [2024-10-31 21:58:13,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:13,926 INFO L85 PathProgramCache]: Analyzing trace with hash 925671, now seen corresponding path program 1 times [2024-10-31 21:58:13,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:13,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240131432] [2024-10-31 21:58:13,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:13,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:14,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:14,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240131432] [2024-10-31 21:58:14,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240131432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:14,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:14,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:14,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078673177] [2024-10-31 21:58:14,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:14,306 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:14,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:14,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 1 times [2024-10-31 21:58:14,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:14,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319417311] [2024-10-31 21:58:14,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:14,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:14,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:14,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:14,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:14,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:14,862 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:14,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:14,885 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. [2024-10-31 21:58:14,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2024-10-31 21:58:14,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:14,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 8 states and 10 transitions. [2024-10-31 21:58:14,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-31 21:58:14,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-31 21:58:14,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2024-10-31 21:58:14,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:14,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-10-31 21:58:14,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2024-10-31 21:58:14,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-31 21:58:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-10-31 21:58:14,922 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-10-31 21:58:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:14,927 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-10-31 21:58:14,927 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:58:14,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2024-10-31 21:58:14,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:14,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:14,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:14,928 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:58:14,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:14,929 INFO L745 eck$LassoCheckResult]: Stem: 40#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 43#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 36#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 37#L556-2 [2024-10-31 21:58:14,929 INFO L747 eck$LassoCheckResult]: Loop: 37#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 42#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 38#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 39#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 37#L556-2 [2024-10-31 21:58:14,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:14,930 INFO L85 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2024-10-31 21:58:14,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:14,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840933430] [2024-10-31 21:58:14,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:14,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:14,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:15,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:15,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:15,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 2 times [2024-10-31 21:58:15,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:15,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760149007] [2024-10-31 21:58:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:15,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:15,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:15,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:15,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:15,075 INFO L85 PathProgramCache]: Analyzing trace with hash 121353169, now seen corresponding path program 1 times [2024-10-31 21:58:15,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:15,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115944707] [2024-10-31 21:58:15,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:15,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:15,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:15,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:16,484 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:16,485 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:16,485 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:16,485 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:16,486 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:16,486 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:16,486 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:16,486 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:16,486 INFO L132 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration2_Lasso [2024-10-31 21:58:16,487 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:16,487 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:16,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:16,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:17,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:17,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:17,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:17,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:17,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:17,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:17,879 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:17,885 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:17,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:17,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:17,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:17,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 21:58:17,896 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 [2024-10-31 21:58:17,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:17,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:17,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:17,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:17,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:17,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:17,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:17,920 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:17,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 21:58:17,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:17,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:17,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:17,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:58:17,939 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 [2024-10-31 21:58:17,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:17,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:17,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:17,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:17,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:17,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:17,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:17,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:17,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 21:58:17,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:17,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:17,987 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:17,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:58:17,989 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 [2024-10-31 21:58:18,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 21:58:18,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:58:18,038 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 [2024-10-31 21:58:18,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,060 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 21:58:18,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,084 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:58:18,087 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 [2024-10-31 21:58:18,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:18,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,137 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:58:18,141 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 [2024-10-31 21:58:18,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,161 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 21:58:18,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,186 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 21:58:18,192 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 [2024-10-31 21:58:18,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 21:58:18,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,230 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 21:58:18,234 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 [2024-10-31 21:58:18,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 21:58:18,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,279 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 21:58:18,283 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 [2024-10-31 21:58:18,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,306 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 21:58:18,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,328 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:58:18,357 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 [2024-10-31 21:58:18,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:18,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,399 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:58:18,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:18,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,420 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:18,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,440 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:58:18,442 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 [2024-10-31 21:58:18,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:18,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:18,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:18,455 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:18,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,471 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 21:58:18,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:18,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,494 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:18,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,514 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:58:18,516 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 [2024-10-31 21:58:18,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,542 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:18,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,564 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:58:18,569 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 [2024-10-31 21:58:18,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,600 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 21:58:18,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,625 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 21:58:18,635 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 [2024-10-31 21:58:18,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,686 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 21:58:18,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,719 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 21:58:18,722 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 [2024-10-31 21:58:18,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,747 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 21:58:18,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,770 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 21:58:18,774 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 [2024-10-31 21:58:18,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,821 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 21:58:18,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,861 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:58:18,866 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 [2024-10-31 21:58:18,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,904 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:18,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,928 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:58:18,931 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 [2024-10-31 21:58:18,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:18,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:18,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:18,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:18,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:18,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:18,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:18,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:18,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:18,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:18,986 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:18,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:58:18,988 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 [2024-10-31 21:58:19,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:19,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:19,004 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 21:58:19,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:19,025 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-31 21:58:19,025 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 21:58:19,070 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:19,223 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2024-10-31 21:58:19,223 INFO L444 ModelExtractionUtils]: 6 out of 31 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-10-31 21:58:19,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:19,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:19,235 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:19,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 21:58:19,238 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:19,258 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 4. [2024-10-31 21:58:19,259 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:19,259 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) 0)_1) = 2*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) 0)_1 + 1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) 0)_1 >= 0, 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_1 - 1 >= 0, -1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~id~0#1.base) 0)_1 + 2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_1 >= 0, 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~id~0#1.base) 0)_1 >= 0] [2024-10-31 21:58:19,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 21:58:19,433 INFO L156 tatePredicateManager]: 23 out of 27 supporting invariants were superfluous and have been removed [2024-10-31 21:58:19,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 21:58:19,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 21:58:19,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~tmp~0!base,]]] [2024-10-31 21:58:19,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:19,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 21:58:19,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:19,654 INFO L378 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 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-31 21:58:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:19,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 21:58:19,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:20,043 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2024-10-31 21:58:20,044 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:20,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 21:58:20,340 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 24 transitions. Complement of second has 11 states. [2024-10-31 21:58:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:20,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2024-10-31 21:58:20,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-31 21:58:20,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:20,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2024-10-31 21:58:20,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:20,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 4 letters. Loop has 8 letters. [2024-10-31 21:58:20,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:20,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2024-10-31 21:58:20,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:20,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 24 transitions. [2024-10-31 21:58:20,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-31 21:58:20,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 21:58:20,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2024-10-31 21:58:20,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:20,355 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-10-31 21:58:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2024-10-31 21:58:20,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-10-31 21:58:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2024-10-31 21:58:20,359 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-10-31 21:58:20,360 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-10-31 21:58:20,360 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:58:20,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2024-10-31 21:58:20,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:20,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:20,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:20,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:20,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:20,364 INFO L745 eck$LassoCheckResult]: Stem: 244#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 245#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 246#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 233#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 234#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 243#L555-1 assume !main_#t~short15#1; 235#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 236#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 239#L556-2 [2024-10-31 21:58:20,365 INFO L747 eck$LassoCheckResult]: Loop: 239#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 241#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 248#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 247#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 239#L556-2 [2024-10-31 21:58:20,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:20,366 INFO L85 PathProgramCache]: Analyzing trace with hash 121355089, now seen corresponding path program 1 times [2024-10-31 21:58:20,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:20,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491540082] [2024-10-31 21:58:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:20,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:20,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491540082] [2024-10-31 21:58:20,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491540082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:20,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:20,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:20,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197189386] [2024-10-31 21:58:20,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:20,613 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:20,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:20,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 3 times [2024-10-31 21:58:20,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:20,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104890279] [2024-10-31 21:58:20,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:20,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:20,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:20,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:20,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:20,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:20,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:20,993 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:21,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:21,048 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2024-10-31 21:58:21,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2024-10-31 21:58:21,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:21,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 28 transitions. [2024-10-31 21:58:21,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-31 21:58:21,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-31 21:58:21,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2024-10-31 21:58:21,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:21,052 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-10-31 21:58:21,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2024-10-31 21:58:21,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2024-10-31 21:58:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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) [2024-10-31 21:58:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2024-10-31 21:58:21,055 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-10-31 21:58:21,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:21,056 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-10-31 21:58:21,057 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:58:21,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2024-10-31 21:58:21,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:21,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:21,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:21,058 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:21,058 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:21,058 INFO L745 eck$LassoCheckResult]: Stem: 288#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 293#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 280#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 281#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 294#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 282#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 283#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 286#L556-2 [2024-10-31 21:58:21,059 INFO L747 eck$LassoCheckResult]: Loop: 286#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 290#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 297#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 296#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 286#L556-2 [2024-10-31 21:58:21,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:21,059 INFO L85 PathProgramCache]: Analyzing trace with hash 121353167, now seen corresponding path program 1 times [2024-10-31 21:58:21,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:21,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657377689] [2024-10-31 21:58:21,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:21,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:21,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:21,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:21,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:21,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 4 times [2024-10-31 21:58:21,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:21,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106741771] [2024-10-31 21:58:21,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:21,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:21,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:21,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:21,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:21,117 INFO L85 PathProgramCache]: Analyzing trace with hash -677985033, now seen corresponding path program 1 times [2024-10-31 21:58:21,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:21,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161744508] [2024-10-31 21:58:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:21,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:21,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:21,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:22,816 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:22,816 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:22,816 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:22,816 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:22,816 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:22,816 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:22,817 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:22,817 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:22,817 INFO L132 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration4_Lasso [2024-10-31 21:58:22,817 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:22,817 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:22,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:22,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,959 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:23,960 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:23,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:23,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:23,965 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:23,968 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 [2024-10-31 21:58:23,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:58:23,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:23,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:23,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:23,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:23,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:23,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:23,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:23,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 21:58:24,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,010 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:58:24,012 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 [2024-10-31 21:58:24,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,026 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-31 21:58:24,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,041 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 21:58:24,043 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 [2024-10-31 21:58:24,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,074 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 21:58:24,076 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 [2024-10-31 21:58:24,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,090 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-31 21:58:24,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,105 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,106 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 [2024-10-31 21:58:24,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 21:58:24,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 21:58:24,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,142 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 21:58:24,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:24,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,159 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,175 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 21:58:24,177 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 [2024-10-31 21:58:24,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:24,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:24,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,221 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 21:58:24,227 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 [2024-10-31 21:58:24,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,268 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 21:58:24,271 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 [2024-10-31 21:58:24,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 21:58:24,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,301 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 21:58:24,319 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 [2024-10-31 21:58:24,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 21:58:24,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,349 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 21:58:24,352 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 [2024-10-31 21:58:24,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,367 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-31 21:58:24,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,383 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 21:58:24,384 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 [2024-10-31 21:58:24,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,398 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-31 21:58:24,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,413 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 21:58:24,415 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 [2024-10-31 21:58:24,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-31 21:58:24,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,445 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 21:58:24,446 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 [2024-10-31 21:58:24,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:24,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:24,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-31 21:58:24,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,494 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 21:58:24,496 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 [2024-10-31 21:58:24,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:24,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:24,518 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-31 21:58:24,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,543 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 21:58:24,547 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 [2024-10-31 21:58:24,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:24,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:24,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 21:58:24,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,601 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 21:58:24,605 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 [2024-10-31 21:58:24,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:24,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:24,640 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-10-31 21:58:24,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,663 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 21:58:24,665 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 [2024-10-31 21:58:24,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:24,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:24,687 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-31 21:58:24,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,709 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 21:58:24,712 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 [2024-10-31 21:58:24,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:24,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:24,740 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-31 21:58:24,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,764 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 21:58:24,767 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 [2024-10-31 21:58:24,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:24,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:24,795 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,818 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 21:58:24,821 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 [2024-10-31 21:58:24,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,839 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 21:58:24,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,853 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-31 21:58:24,853 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 21:58:24,890 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:24,968 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2024-10-31 21:58:24,969 INFO L444 ModelExtractionUtils]: 1 out of 26 variables were initially zero. Simplification set additionally 17 variables to zero. [2024-10-31 21:58:24,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,972 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 21:58:24,977 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:24,993 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 4. [2024-10-31 21:58:24,993 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:24,993 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_2) = 2*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_2 + 1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_2 >= 0, 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_2 >= 0, -1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_2 + 2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_2 >= 0, 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) 0)_2 >= 0] [2024-10-31 21:58:25,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-31 21:58:25,146 INFO L156 tatePredicateManager]: 24 out of 26 supporting invariants were superfluous and have been removed [2024-10-31 21:58:25,156 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 21:58:25,156 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 21:58:25,156 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~tmp~0!base,]]] [2024-10-31 21:58:25,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:25,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:58:25,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:25,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 21:58:25,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:25,668 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 4 loop predicates [2024-10-31 21:58:25,668 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:25,911 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 38 transitions. Complement of second has 12 states. [2024-10-31 21:58:25,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 16 transitions. [2024-10-31 21:58:25,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2024-10-31 21:58:25,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:25,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-31 21:58:25,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:25,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 8 letters. Loop has 8 letters. [2024-10-31 21:58:25,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:25,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 38 transitions. [2024-10-31 21:58:25,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:25,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 38 transitions. [2024-10-31 21:58:25,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-31 21:58:25,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-10-31 21:58:25,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 38 transitions. [2024-10-31 21:58:25,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:25,925 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 38 transitions. [2024-10-31 21:58:25,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 38 transitions. [2024-10-31 21:58:25,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2024-10-31 21:58:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 25 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) [2024-10-31 21:58:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2024-10-31 21:58:25,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 36 transitions. [2024-10-31 21:58:25,931 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2024-10-31 21:58:25,931 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:58:25,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2024-10-31 21:58:25,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:25,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:25,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:25,935 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:25,935 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:25,935 INFO L745 eck$LassoCheckResult]: Stem: 517#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 518#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 523#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 508#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 509#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 519#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 510#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 511#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 514#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 531#L555-1 assume !main_#t~short15#1; 530#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 529#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 526#L556-2 [2024-10-31 21:58:25,935 INFO L747 eck$LassoCheckResult]: Loop: 526#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 528#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 527#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 525#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 526#L556-2 [2024-10-31 21:58:25,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash -677983113, now seen corresponding path program 1 times [2024-10-31 21:58:25,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:25,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071855670] [2024-10-31 21:58:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:25,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:58:25,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:25,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071855670] [2024-10-31 21:58:25,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071855670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:25,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:25,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:25,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889040361] [2024-10-31 21:58:25,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:25,999 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:25,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:26,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 5 times [2024-10-31 21:58:26,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:26,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733148541] [2024-10-31 21:58:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:26,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:26,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-31 21:58:26,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:26,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:26,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:26,251 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-31 21:58:26,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:26,265 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-10-31 21:58:26,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2024-10-31 21:58:26,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:26,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 26 states and 31 transitions. [2024-10-31 21:58:26,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-31 21:58:26,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-31 21:58:26,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2024-10-31 21:58:26,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:26,268 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-10-31 21:58:26,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2024-10-31 21:58:26,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2024-10-31 21:58:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 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) [2024-10-31 21:58:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2024-10-31 21:58:26,271 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-10-31 21:58:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:26,273 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-10-31 21:58:26,273 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 21:58:26,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2024-10-31 21:58:26,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:58:26,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:26,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:26,275 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2024-10-31 21:58:26,275 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:26,275 INFO L745 eck$LassoCheckResult]: Stem: 579#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 580#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 584#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 571#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 572#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 592#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 573#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 574#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 577#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 581#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 585#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 591#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 588#L556-2 [2024-10-31 21:58:26,275 INFO L747 eck$LassoCheckResult]: Loop: 588#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 590#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 589#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 587#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 588#L556-2 [2024-10-31 21:58:26,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:26,276 INFO L85 PathProgramCache]: Analyzing trace with hash -677985035, now seen corresponding path program 2 times [2024-10-31 21:58:26,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:26,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324011065] [2024-10-31 21:58:26,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:26,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:26,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:26,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 6 times [2024-10-31 21:58:26,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:26,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271625439] [2024-10-31 21:58:26,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:26,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:26,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:26,357 INFO L85 PathProgramCache]: Analyzing trace with hash -199699683, now seen corresponding path program 2 times [2024-10-31 21:58:26,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:26,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027691610] [2024-10-31 21:58:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:26,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:28,599 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:28,600 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:28,600 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:28,600 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:28,600 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:28,600 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:28,600 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:28,600 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:28,600 INFO L132 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration6_Lasso [2024-10-31 21:58:28,601 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:28,601 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:28,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:28,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:28,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:28,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:28,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,619 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:29,619 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:29,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,622 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 21:58:29,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:29,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:29,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:29,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:29,646 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:29,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:29,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,668 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 21:58:29,670 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 [2024-10-31 21:58:29,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:29,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:29,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:29,689 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:29,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:29,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,720 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 21:58:29,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:29,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:29,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:29,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:29,741 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:29,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:29,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,764 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 21:58:29,767 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 [2024-10-31 21:58:29,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:29,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:29,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:29,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:29,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-31 21:58:29,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,805 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 21:58:29,808 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 [2024-10-31 21:58:29,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:29,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:29,834 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:29,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:29,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,857 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 21:58:29,862 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 [2024-10-31 21:58:29,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:29,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:29,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:29,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:29,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,921 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 21:58:29,935 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 [2024-10-31 21:58:29,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:29,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:29,971 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:29,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-31 21:58:29,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,987 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 21:58:29,989 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 [2024-10-31 21:58:30,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:30,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:30,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:30,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:30,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:30,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:30,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:30,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-31 21:58:30,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,031 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 21:58:30,033 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 [2024-10-31 21:58:30,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:30,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:30,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:30,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:30,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:30,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:30,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:30,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,076 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 21:58:30,079 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 [2024-10-31 21:58:30,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:30,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:30,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:30,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:30,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:30,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:30,111 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:30,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,133 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 21:58:30,137 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 [2024-10-31 21:58:30,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:30,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:30,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:30,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:30,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:30,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:30,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:30,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,193 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 21:58:30,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:30,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:30,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:30,210 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 21:58:30,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:30,218 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-31 21:58:30,218 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 21:58:30,243 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:30,301 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-10-31 21:58:30,301 INFO L444 ModelExtractionUtils]: 5 out of 21 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-31 21:58:30,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,303 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 21:58:30,305 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:30,326 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-10-31 21:58:30,326 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:30,327 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_3, v_rep(select (select #memory_int#2 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_3) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_3 - 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_3 Supporting invariants [1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_3 - 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_3 >= 0, 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_3 >= 0] [2024-10-31 21:58:30,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,458 INFO L156 tatePredicateManager]: 21 out of 23 supporting invariants were superfluous and have been removed [2024-10-31 21:58:30,465 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-10-31 21:58:30,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-10-31 21:58:30,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~id~0!base,]]] [2024-10-31 21:58:30,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 21:58:30,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 21:58:30,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~tmp~0!base,]]] [2024-10-31 21:58:30,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:30,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:58:30,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:30,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 21:58:30,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:30,911 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 4 loop predicates [2024-10-31 21:58:30,911 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2024-10-31 21:58:31,061 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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 30 states and 37 transitions. Complement of second has 12 states. [2024-10-31 21:58:31,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2024-10-31 21:58:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 13 transitions. [2024-10-31 21:58:31,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-31 21:58:31,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:31,063 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:58:31,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:31,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-31 21:58:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:31,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:58:31,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:31,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 21:58:31,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:31,475 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 4 loop predicates [2024-10-31 21:58:31,475 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2024-10-31 21:58:31,620 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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 30 states and 37 transitions. Complement of second has 12 states. [2024-10-31 21:58:31,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2024-10-31 21:58:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 13 transitions. [2024-10-31 21:58:31,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-31 21:58:31,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:31,622 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:58:31,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:31,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:58:31,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:31,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 21:58:31,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:32,031 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 4 loop predicates [2024-10-31 21:58:32,031 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2024-10-31 21:58:32,167 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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 34 states and 42 transitions. Complement of second has 11 states. [2024-10-31 21:58:32,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2024-10-31 21:58:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. [2024-10-31 21:58:32,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-31 21:58:32,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:32,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 16 letters. Loop has 4 letters. [2024-10-31 21:58:32,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:32,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 12 letters. Loop has 8 letters. [2024-10-31 21:58:32,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:32,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-10-31 21:58:32,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 21:58:32,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 28 states and 34 transitions. [2024-10-31 21:58:32,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 21:58:32,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-10-31 21:58:32,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 34 transitions. [2024-10-31 21:58:32,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:32,177 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-10-31 21:58:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 34 transitions. [2024-10-31 21:58:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 12. [2024-10-31 21:58:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 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) [2024-10-31 21:58:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2024-10-31 21:58:32,181 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-10-31 21:58:32,181 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-10-31 21:58:32,181 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 21:58:32,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2024-10-31 21:58:32,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 21:58:32,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:32,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:32,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:58:32,184 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:32,184 INFO L745 eck$LassoCheckResult]: Stem: 1021#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 1025#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 1014#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 1015#L556-2 [2024-10-31 21:58:32,185 INFO L747 eck$LassoCheckResult]: Loop: 1015#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1023#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1016#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1017#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1015#L556-2 [2024-10-31 21:58:32,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:32,185 INFO L85 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 2 times [2024-10-31 21:58:32,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:32,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678578128] [2024-10-31 21:58:32,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:32,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:32,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:32,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:32,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1419303, now seen corresponding path program 1 times [2024-10-31 21:58:32,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:32,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963215413] [2024-10-31 21:58:32,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:32,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:32,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:32,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:32,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:32,221 INFO L85 PathProgramCache]: Analyzing trace with hash 121353167, now seen corresponding path program 3 times [2024-10-31 21:58:32,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:32,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427486677] [2024-10-31 21:58:32,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:32,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:32,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:32,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:33,362 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:33,362 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:33,362 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:33,362 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:33,362 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:33,362 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:33,362 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:33,362 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:33,362 INFO L132 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration7_Lasso [2024-10-31 21:58:33,363 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:33,363 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:33,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:33,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:34,097 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:34,097 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:34,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,100 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 21:58:34,102 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 [2024-10-31 21:58:34,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:34,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:34,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:34,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:34,115 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:34,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-31 21:58:34,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,128 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-31 21:58:34,129 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 [2024-10-31 21:58:34,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:34,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:34,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:34,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:34,142 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:34,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-10-31 21:58:34,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,155 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 21:58:34,157 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 [2024-10-31 21:58:34,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:34,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:34,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:34,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:34,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:34,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:34,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,183 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-31 21:58:34,184 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 [2024-10-31 21:58:34,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:34,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:34,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:34,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:34,197 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:34,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-31 21:58:34,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,210 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-31 21:58:34,212 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 [2024-10-31 21:58:34,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:34,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:34,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:34,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:34,225 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:34,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-10-31 21:58:34,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,237 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-31 21:58:34,239 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 [2024-10-31 21:58:34,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:34,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:34,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:34,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:34,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:34,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:34,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,265 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-31 21:58:34,266 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 [2024-10-31 21:58:34,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:34,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:34,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:34,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:34,279 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:34,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-10-31 21:58:34,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,292 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-31 21:58:34,294 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 [2024-10-31 21:58:34,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:34,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:34,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:34,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:34,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-10-31 21:58:34,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,326 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-31 21:58:34,328 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 [2024-10-31 21:58:34,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:34,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:34,339 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 21:58:34,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:34,346 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-31 21:58:34,346 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 21:58:34,362 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:34,387 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:58:34,387 INFO L444 ModelExtractionUtils]: 5 out of 21 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-10-31 21:58:34,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:34,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:34,389 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:34,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-31 21:58:34,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:34,403 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2024-10-31 21:58:34,403 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:34,403 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_4, v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_4) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_4 - 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_4 Supporting invariants [] [2024-10-31 21:58:34,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-31 21:58:34,480 INFO L156 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2024-10-31 21:58:34,481 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:58:34,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:58:34,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~maxId~0!base,]]] [2024-10-31 21:58:34,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 21:58:34,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 21:58:34,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~tmp~0!base,]]] [2024-10-31 21:58:34,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:58:34,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:58:34,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:34,570 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 [2024-10-31 21:58:34,570 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:34,599 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 32 transitions. Complement of second has 7 states. [2024-10-31 21:58:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:34,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-10-31 21:58:34,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-31 21:58:34,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:34,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 8 letters. Loop has 4 letters. [2024-10-31 21:58:34,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:34,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 8 letters. [2024-10-31 21:58:34,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:34,601 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2024-10-31 21:58:34,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 21:58:34,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 24 transitions. [2024-10-31 21:58:34,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-31 21:58:34,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-31 21:58:34,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2024-10-31 21:58:34,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:34,603 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-10-31 21:58:34,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2024-10-31 21:58:34,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2024-10-31 21:58:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2024-10-31 21:58:34,605 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2024-10-31 21:58:34,605 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2024-10-31 21:58:34,605 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 21:58:34,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2024-10-31 21:58:34,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 21:58:34,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:34,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:34,606 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:34,606 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:34,606 INFO L745 eck$LassoCheckResult]: Stem: 1194#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1195#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 1196#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 1183#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 1184#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1192#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1187#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1188#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1198#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1197#L555-1 [2024-10-31 21:58:34,606 INFO L747 eck$LassoCheckResult]: Loop: 1197#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1185#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1186#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1189#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1197#L555-1 [2024-10-31 21:58:34,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:34,607 INFO L85 PathProgramCache]: Analyzing trace with hash -533019041, now seen corresponding path program 2 times [2024-10-31 21:58:34,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:34,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007272608] [2024-10-31 21:58:34,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:34,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:34,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:34,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:34,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:34,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1516443, now seen corresponding path program 2 times [2024-10-31 21:58:34,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:34,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050173498] [2024-10-31 21:58:34,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:34,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:34,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:34,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:34,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:34,680 INFO L85 PathProgramCache]: Analyzing trace with hash 514558713, now seen corresponding path program 3 times [2024-10-31 21:58:34,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:34,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264563102] [2024-10-31 21:58:34,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:34,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:34,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:34,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:34,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-31 21:58:36,354 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:36,354 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:36,354 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:36,354 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:36,354 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:36,355 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:36,355 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:36,355 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:36,355 INFO L132 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration8_Lasso [2024-10-31 21:58:36,355 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:36,355 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:36,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:36,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:37,598 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:37,599 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:37,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,603 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-31 21:58:37,605 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 [2024-10-31 21:58:37,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:37,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:37,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:37,618 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-10-31 21:58:37,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,631 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-31 21:58:37,632 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 [2024-10-31 21:58:37,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:37,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:37,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:37,645 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-10-31 21:58:37,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,658 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-31 21:58:37,660 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 [2024-10-31 21:58:37,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:37,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:37,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:37,675 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:37,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,688 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-31 21:58:37,690 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 [2024-10-31 21:58:37,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:37,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:37,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:37,703 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:37,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,716 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-10-31 21:58:37,718 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 [2024-10-31 21:58:37,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:37,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:37,742 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-10-31 21:58:37,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,781 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-10-31 21:58:37,783 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 [2024-10-31 21:58:37,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:37,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:37,805 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:37,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,838 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-10-31 21:58:37,839 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 [2024-10-31 21:58:37,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:37,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:37,858 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-10-31 21:58:37,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,871 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-10-31 21:58:37,873 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 [2024-10-31 21:58:37,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:37,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:37,893 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-10-31 21:58:37,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,906 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-10-31 21:58:37,907 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 [2024-10-31 21:58:37,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:37,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:37,927 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-10-31 21:58:37,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,939 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-10-31 21:58:37,941 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 [2024-10-31 21:58:37,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:37,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:37,965 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:37,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:37,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,977 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-10-31 21:58:37,979 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 [2024-10-31 21:58:37,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:37,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:37,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:37,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:37,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:37,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:37,997 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:38,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-10-31 21:58:38,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:38,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:38,010 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:38,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-10-31 21:58:38,012 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 [2024-10-31 21:58:38,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:38,023 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 21:58:38,023 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2024-10-31 21:58:38,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:38,048 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2024-10-31 21:58:38,048 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-10-31 21:58:38,116 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:38,208 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2024-10-31 21:58:38,208 INFO L444 ModelExtractionUtils]: 19 out of 43 variables were initially zero. Simplification set additionally 21 variables to zero. [2024-10-31 21:58:38,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:38,210 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:38,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-10-31 21:58:38,212 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:38,227 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2024-10-31 21:58:38,227 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:38,227 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_5, v_rep(select (select #memory_int#0 ULTIMATE.start_main_~maxId~0#1.base) 0)_1) = -1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_5 + 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~maxId~0#1.base) 0)_1 Supporting invariants [] [2024-10-31 21:58:38,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-10-31 21:58:38,314 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2024-10-31 21:58:38,316 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 21:58:38,316 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 21:58:38,317 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~tmp~0!base,]]] [2024-10-31 21:58:38,317 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:58:38,317 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:58:38,317 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~maxId~0!base,]]] [2024-10-31 21:58:38,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:58:38,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:58:38,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:38,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 28 [2024-10-31 21:58:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:38,497 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-10-31 21:58:38,497 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 34 transitions. Complement of second has 8 states. [2024-10-31 21:58:38,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2024-10-31 21:58:38,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-31 21:58:38,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:38,548 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:58:38,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:58:38,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:58:38,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:38,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 28 [2024-10-31 21:58:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:38,758 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2024-10-31 21:58:38,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,832 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 29 transitions. Complement of second has 10 states. [2024-10-31 21:58:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2024-10-31 21:58:38,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-31 21:58:38,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:38,834 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:58:38,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:58:38,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:58:38,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:39,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 28 [2024-10-31 21:58:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,049 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 3 loop predicates [2024-10-31 21:58:39,049 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:39,113 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 41 transitions. Complement of second has 9 states. [2024-10-31 21:58:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-31 21:58:39,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-31 21:58:39,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:39,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 13 letters. Loop has 4 letters. [2024-10-31 21:58:39,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:39,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 8 letters. [2024-10-31 21:58:39,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:39,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2024-10-31 21:58:39,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-10-31 21:58:39,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 21 states and 25 transitions. [2024-10-31 21:58:39,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-31 21:58:39,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-31 21:58:39,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2024-10-31 21:58:39,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:39,119 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-10-31 21:58:39,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2024-10-31 21:58:39,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2024-10-31 21:58:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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) [2024-10-31 21:58:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2024-10-31 21:58:39,121 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-10-31 21:58:39,121 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-10-31 21:58:39,121 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 21:58:39,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2024-10-31 21:58:39,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-10-31 21:58:39,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:39,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:39,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:39,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1] [2024-10-31 21:58:39,123 INFO L745 eck$LassoCheckResult]: Stem: 1558#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1559#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 1562#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 1553#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 1554#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1560#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1566#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1565#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1564#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1563#L555-1 [2024-10-31 21:58:39,123 INFO L747 eck$LassoCheckResult]: Loop: 1563#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1555#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1556#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1557#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1560#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1566#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1565#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1564#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1563#L555-1 [2024-10-31 21:58:39,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,123 INFO L85 PathProgramCache]: Analyzing trace with hash -533019041, now seen corresponding path program 3 times [2024-10-31 21:58:39,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:39,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120302401] [2024-10-31 21:58:39,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:39,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:39,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:39,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,161 INFO L85 PathProgramCache]: Analyzing trace with hash 308210291, now seen corresponding path program 1 times [2024-10-31 21:58:39,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:39,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788410248] [2024-10-31 21:58:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:39,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:39,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:39,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,178 INFO L85 PathProgramCache]: Analyzing trace with hash 2006217425, now seen corresponding path program 4 times [2024-10-31 21:58:39,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:39,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4106714] [2024-10-31 21:58:39,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:39,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4106714] [2024-10-31 21:58:39,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4106714] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:39,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092610442] [2024-10-31 21:58:39,770 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 21:58:39,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:39,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,772 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3885e3b-4483-43fd-9e03-b971f12f5c84/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-10-31 21:58:39,909 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 21:58:39,909 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:39,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-31 21:58:39,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:40,073 INFO L378 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 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 21:58:40,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-10-31 21:58:40,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-10-31 21:58:40,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-10-31 21:58:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:40,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:40,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-10-31 21:58:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:40,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092610442] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:40,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:40,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-10-31 21:58:40,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352783893] [2024-10-31 21:58:40,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:40,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:40,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-31 21:58:40,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-10-31 21:58:40,868 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 4 Second operand has 20 states, 20 states have (on average 1.8) internal successors, (36), 20 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) [2024-10-31 21:58:41,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:41,118 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2024-10-31 21:58:41,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 35 transitions. [2024-10-31 21:58:41,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2024-10-31 21:58:41,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 24 states and 26 transitions. [2024-10-31 21:58:41,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-31 21:58:41,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 21:58:41,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 26 transitions. [2024-10-31 21:58:41,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:41,120 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-10-31 21:58:41,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 26 transitions. [2024-10-31 21:58:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2024-10-31 21:58:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 states have internal predecessors, (23), 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) [2024-10-31 21:58:41,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-10-31 21:58:41,121 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-31 21:58:41,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 21:58:41,123 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-31 21:58:41,123 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 21:58:41,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2024-10-31 21:58:41,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2024-10-31 21:58:41,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:41,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:41,125 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 21:58:41,125 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 1] [2024-10-31 21:58:41,125 INFO L745 eck$LassoCheckResult]: Stem: 1744#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1745#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 1746#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 1733#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 1734#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1749#L555-1 [2024-10-31 21:58:41,125 INFO L747 eck$LassoCheckResult]: Loop: 1749#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1735#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1736#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#1(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1739#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1741#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1737#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1738#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1740#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1747#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1748#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1753#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1742#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1743#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1752#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#0(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1751#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#1(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1750#L556-2 call main_#t~mem12#1 := read~int#1(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#2(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1749#L555-1 [2024-10-31 21:58:41,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:41,127 INFO L85 PathProgramCache]: Analyzing trace with hash 28693895, now seen corresponding path program 1 times [2024-10-31 21:58:41,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:41,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938938606] [2024-10-31 21:58:41,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:41,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:41,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:41,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1440084903, now seen corresponding path program 2 times [2024-10-31 21:58:41,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:41,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662671398] [2024-10-31 21:58:41,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:41,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:41,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:41,174 INFO L85 PathProgramCache]: Analyzing trace with hash -601096915, now seen corresponding path program 5 times [2024-10-31 21:58:41,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:41,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172968378] [2024-10-31 21:58:41,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:41,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace