./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/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_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/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_56db3e32-3bf8-4a3f-aa27-d1190e795d25/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 7d44dc9ee297680f321b2cf4dcd79f3ba6ced2470ed6439fc6dd5eb0285efc9c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:50,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:50,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 21:59:50,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:50,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:50,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:50,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:50,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:50,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:50,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:50,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:50,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:50,921 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:50,923 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:59:50,924 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:59:50,924 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:59:50,925 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:59:50,926 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:59:50,926 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:59:50,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:50,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:59:50,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:50,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:50,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:59:50,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:59:50,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:59:50,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:50,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:59:50,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:50,930 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:59:50,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:50,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:50,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:50,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:50,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:50,937 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:59:50,937 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_56db3e32-3bf8-4a3f-aa27-d1190e795d25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d44dc9ee297680f321b2cf4dcd79f3ba6ced2470ed6439fc6dd5eb0285efc9c [2024-10-31 21:59:51,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:51,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:51,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:51,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:51,296 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:51,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i Unable to find full path for "g++" [2024-10-31 21:59:53,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:54,015 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:54,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2024-10-31 21:59:54,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/data/cf5baa768/871757b845d241adaaf249c005f2c44b/FLAGc10682b43 [2024-10-31 21:59:54,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/data/cf5baa768/871757b845d241adaaf249c005f2c44b [2024-10-31 21:59:54,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:54,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:54,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:54,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:54,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:54,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64461632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54, skipping insertion in model container [2024-10-31 21:59:54,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:54,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:54,558 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:54,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:54,696 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:54,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54 WrapperNode [2024-10-31 21:59:54,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:54,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:54,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:54,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:54,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,764 INFO L138 Inliner]: procedures = 111, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 190 [2024-10-31 21:59:54,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:54,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:54,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:54,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:54,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,817 INFO L175 MemorySlicer]: Split 42 memory accesses to 5 slices as follows [8, 10, 6, 12, 6]. 29 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0, 0]. The 20 writes are split as follows [4, 6, 2, 6, 2]. [2024-10-31 21:59:54,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:54,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:54,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:54,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:54,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (1/1) ... [2024-10-31 21:59:54,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:54,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:54,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:59:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:59:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:59:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:59:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:59:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:59:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:59:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:59:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:59:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:59:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:59:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:59:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:55,097 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:55,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:55,414 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:55,414 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:55,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:55,460 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 21:59:55,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:55 BoogieIcfgContainer [2024-10-31 21:59:55,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:55,462 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:59:55,462 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:59:55,466 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:59:55,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:59:55,467 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:59:54" (1/3) ... [2024-10-31 21:59:55,469 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2161a749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:59:55, skipping insertion in model container [2024-10-31 21:59:55,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:59:55,469 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:54" (2/3) ... [2024-10-31 21:59:55,471 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2161a749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:59:55, skipping insertion in model container [2024-10-31 21:59:55,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:59:55,471 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:55" (3/3) ... [2024-10-31 21:59:55,473 INFO L332 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2024-10-31 21:59:55,547 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:59:55,547 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:59:55,549 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:59:55,549 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:59:55,549 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:59:55,549 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:59:55,549 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:59:55,550 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:59:55,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 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 21:59:55,576 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2024-10-31 21:59:55,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:55,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:55,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:59:55,583 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:55,583 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:59:55,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 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 21:59:55,586 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2024-10-31 21:59:55,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:55,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:55,588 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:59:55,588 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:55,596 INFO L745 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 9#L578true assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#4(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#1(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#2(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#3(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 20#L558true assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 14#L562-2true [2024-10-31 21:59:55,597 INFO L747 eck$LassoCheckResult]: Loop: 14#L562-2true call f_#t~mem8#1 := read~int#3(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 11#L562true assume !!(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1;call f_#t~mem10#1 := read~int#3(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int#3(2 * f_#t~mem10#1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem10#1; 14#L562-2true [2024-10-31 21:59:55,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:55,604 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2024-10-31 21:59:55,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:55,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614011737] [2024-10-31 21:59:55,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:55,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:55,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:55,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 1 times [2024-10-31 21:59:55,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:55,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45161547] [2024-10-31 21:59:55,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:55,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:56,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:56,001 INFO L85 PathProgramCache]: Analyzing trace with hash 889509773, now seen corresponding path program 1 times [2024-10-31 21:59:56,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:56,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562540363] [2024-10-31 21:59:56,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:56,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:56,715 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 21:59:56,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562540363] [2024-10-31 21:59:56,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562540363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:56,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:56,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876885311] [2024-10-31 21:59:56,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:56,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:56,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:56,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:56,870 INFO L87 Difference]: Start difference. First operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 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 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:56,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:56,984 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2024-10-31 21:59:56,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2024-10-31 21:59:56,987 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2024-10-31 21:59:56,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 29 states and 38 transitions. [2024-10-31 21:59:56,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-10-31 21:59:56,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-10-31 21:59:56,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2024-10-31 21:59:56,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:59:56,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-10-31 21:59:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2024-10-31 21:59:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2024-10-31 21:59:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 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 21:59:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2024-10-31 21:59:57,023 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-10-31 21:59:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:57,029 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-10-31 21:59:57,029 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:59:57,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2024-10-31 21:59:57,031 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 21:59:57,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:57,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:57,032 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:59:57,032 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:59:57,032 INFO L745 eck$LassoCheckResult]: Stem: 98#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 88#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 89#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#4(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#1(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#2(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#3(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 93#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 94#L562-2 call f_#t~mem8#1 := read~int#3(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 99#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 97#L567-2 [2024-10-31 21:59:57,032 INFO L747 eck$LassoCheckResult]: Loop: 97#L567-2 call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 90#L566 assume !f_#t~short13#1; 91#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 95#L567 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int#1(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int#4(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#1(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 97#L567-2 [2024-10-31 21:59:57,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 1 times [2024-10-31 21:59:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:57,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255330528] [2024-10-31 21:59:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:57,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:57,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:57,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:57,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1759853, now seen corresponding path program 1 times [2024-10-31 21:59:57,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:57,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985747748] [2024-10-31 21:59:57,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:57,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:57,142 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 21:59:57,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:57,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985747748] [2024-10-31 21:59:57,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985747748] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:57,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:57,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:57,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585556665] [2024-10-31 21:59:57,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:57,146 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 21:59:57,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:57,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:57,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:57,147 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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 21:59:57,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:57,186 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2024-10-31 21:59:57,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2024-10-31 21:59:57,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 21:59:57,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 22 transitions. [2024-10-31 21:59:57,189 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-31 21:59:57,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-10-31 21:59:57,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2024-10-31 21:59:57,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:59:57,192 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-31 21:59:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2024-10-31 21:59:57,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-31 21:59:57,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 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 21:59:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-10-31 21:59:57,194 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-31 21:59:57,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:57,198 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-31 21:59:57,198 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:59:57,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2024-10-31 21:59:57,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 21:59:57,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:57,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:57,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:59:57,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:59:57,200 INFO L745 eck$LassoCheckResult]: Stem: 144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 134#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#4(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#1(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#2(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#3(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 139#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 140#L562-2 call f_#t~mem8#1 := read~int#3(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 145#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 143#L567-2 [2024-10-31 21:59:57,200 INFO L747 eck$LassoCheckResult]: Loop: 143#L567-2 call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 136#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int#1(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 137#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 141#L567 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int#1(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int#4(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#1(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 143#L567-2 [2024-10-31 21:59:57,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:57,201 INFO L85 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 2 times [2024-10-31 21:59:57,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:57,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850178475] [2024-10-31 21:59:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:57,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:57,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:57,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:57,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:57,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1757931, now seen corresponding path program 1 times [2024-10-31 21:59:57,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:57,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269150844] [2024-10-31 21:59:57,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:57,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:57,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:57,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:57,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:57,315 INFO L85 PathProgramCache]: Analyzing trace with hash -260778635, now seen corresponding path program 1 times [2024-10-31 21:59:57,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:57,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917681912] [2024-10-31 21:59:57,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:57,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:57,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:57,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:00,454 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:00:00,455 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:00:00,455 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:00:00,455 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:00:00,455 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:00:00,456 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:00,456 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:00:00,456 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:00:00,456 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration3_Lasso [2024-10-31 22:00:00,456 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:00:00,456 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:00:00,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:00,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:01,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:01,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:01,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:01,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:01,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:01,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:01,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:01,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:02,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:02,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:02,615 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:00:02,623 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:00:02,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:00:02,631 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 22:00:02,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:02,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:02,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:02,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:02,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:02,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:02,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:02,650 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:02,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:00:02,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:00:02,675 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 22:00:02,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:02,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:02,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:02,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:02,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:02,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:02,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:02,695 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:02,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:00:02,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:00:02,721 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 22:00:02,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:02,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:02,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:02,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:02,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:02,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:02,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:02,738 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:02,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:02,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:00:02,762 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 22:00:02,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:02,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:02,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:02,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:02,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:02,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:02,788 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:02,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:02,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,810 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:00:02,814 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 22:00:02,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:02,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:02,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:02,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:02,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:02,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:02,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:02,835 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:02,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:00:02,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,855 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:00:02,858 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 22:00:02,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:02,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:02,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:02,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:02,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:02,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:02,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:02,877 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:02,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:00:02,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,899 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:00:02,902 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 22:00:02,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:02,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:02,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:02,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:02,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:02,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:02,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:02,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:02,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:02,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,943 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:00:02,945 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 22:00:02,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:02,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:02,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:02,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:02,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:02,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:02,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:02,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:02,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:02,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:02,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,985 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:03,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:00:03,011 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 22:00:03,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:03,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:03,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:03,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:03,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:03,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:03,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:03,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:03,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:03,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:03,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:03,049 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:03,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:00:03,051 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 22:00:03,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:03,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:03,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:03,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:03,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:03,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:03,070 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:03,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:00:03,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:03,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:03,090 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:03,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:00:03,093 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 22:00:03,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:03,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:03,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:03,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:03,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:03,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:03,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:03,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:00:03,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:03,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:03,145 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:03,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:00:03,149 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 22:00:03,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:03,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:03,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:03,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:03,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:03,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:03,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:03,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:03,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:03,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:03,188 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:03,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:00:03,191 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 22:00:03,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:03,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:03,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:03,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:03,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:03,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:03,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:03,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:00:03,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:03,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:03,244 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:03,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:00:03,247 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 22:00:03,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:03,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:03,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:03,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:03,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:03,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:03,276 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:00:03,310 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 22:00:03,310 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-31 22:00:03,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:03,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:03,322 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:03,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:00:03,324 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:00:03,336 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:00:03,337 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:00:03,337 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_f_~y~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_f_~y~0#1.base) 0)_1 Supporting invariants [1*v_rep(select (select #memory_int#4 ULTIMATE.start_f_~d_ref~0#1.base) ULTIMATE.start_f_~d_ref~0#1.offset)_1 - 1 >= 0] [2024-10-31 22:00:03,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:00:03,792 INFO L156 tatePredicateManager]: 54 out of 56 supporting invariants were superfluous and have been removed [2024-10-31 22:00:03,801 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 22:00:03,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 22:00:03,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y~0!base,]]] [2024-10-31 22:00:03,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:03,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:00:03,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:03,941 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 22:00:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:03,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:00:03,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:04,129 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 22:00:04,132 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 22:00:04,133 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 22:00:04,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:00:04,321 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 34 transitions. Complement of second has 10 states. [2024-10-31 22:00:04,324 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 22:00:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 22:00:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2024-10-31 22:00:04,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:00:04,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:04,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2024-10-31 22:00:04,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:04,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2024-10-31 22:00:04,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:04,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2024-10-31 22:00:04,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 22:00:04,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2024-10-31 22:00:04,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-10-31 22:00:04,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-10-31 22:00:04,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2024-10-31 22:00:04,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:00:04,336 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-10-31 22:00:04,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2024-10-31 22:00:04,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2024-10-31 22:00:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 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 22:00:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2024-10-31 22:00:04,344 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-10-31 22:00:04,344 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-10-31 22:00:04,344 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:00:04,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2024-10-31 22:00:04,345 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 22:00:04,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:00:04,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:00:04,346 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:00:04,346 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:00:04,346 INFO L745 eck$LassoCheckResult]: Stem: 484#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 470#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 471#L578 assume !(0 != main_#t~nondet21#1);havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#4(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#1(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#2(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#3(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 467#L558-1 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 468#L562-5 call f_#t~mem8#1 := read~int#3(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 476#L562-3 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 465#L567-5 [2024-10-31 22:00:04,346 INFO L747 eck$LassoCheckResult]: Loop: 465#L567-5 call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 466#L566-5 assume f_#t~short13#1;call f_#t~mem12#1 := read~int#1(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 463#L566-7 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 464#L567-3 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int#1(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int#4(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#1(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 465#L567-5 [2024-10-31 22:00:04,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:04,347 INFO L85 PathProgramCache]: Analyzing trace with hash 891018187, now seen corresponding path program 1 times [2024-10-31 22:00:04,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:04,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195001699] [2024-10-31 22:00:04,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:04,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:04,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:04,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:04,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:04,437 INFO L85 PathProgramCache]: Analyzing trace with hash 3266347, now seen corresponding path program 1 times [2024-10-31 22:00:04,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:04,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022267486] [2024-10-31 22:00:04,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:04,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:04,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:04,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:04,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:04,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1225178613, now seen corresponding path program 1 times [2024-10-31 22:00:04,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:04,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892065540] [2024-10-31 22:00:04,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:04,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:04,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:04,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:06,535 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:00:06,535 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:00:06,535 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:00:06,535 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:00:06,535 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:00:06,535 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:06,535 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:00:06,535 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:00:06,535 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration4_Lasso [2024-10-31 22:00:06,535 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:00:06,535 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:00:06,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:06,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:06,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:06,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:06,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:07,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:08,456 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:00:08,456 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:00:08,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,460 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:00:08,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:00:08,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:08,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:08,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:08,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:00:08,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,504 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,511 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 22:00:08,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:00:08,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:08,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:08,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:08,530 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:08,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,552 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:00:08,555 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 22:00:08,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:08,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,601 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:00:08,604 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 22:00:08,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:08,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:00:08,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:08,621 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 22:00:08,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,642 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:00:08,646 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 22:00:08,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,672 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-31 22:00:08,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,695 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:00:08,699 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 22:00:08,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,740 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:08,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,760 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:00:08,763 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 22:00:08,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,787 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:08,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,809 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:00:08,811 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 22:00:08,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,832 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:08,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,846 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:00:08,848 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 22:00:08,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,864 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:08,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,878 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:00:08,880 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 22:00:08,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,899 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:08,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,912 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:00:08,914 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 22:00:08,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:08,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,948 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:00:08,950 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 22:00:08,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:08,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:08,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:08,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:08,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:08,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:08,984 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:08,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 22:00:08,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:08,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:08,997 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:08,999 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 22:00:09,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:00:09,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:09,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:09,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:09,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:09,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:09,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:09,015 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:09,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:09,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:09,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:09,030 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:09,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:00:09,034 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 22:00:09,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:09,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:09,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:09,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:09,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:09,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:09,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:09,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:09,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:09,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:09,080 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:09,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:00:09,086 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 22:00:09,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:09,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:09,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:09,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:09,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:09,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:09,108 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:09,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:09,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:09,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:09,128 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:09,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:00:09,131 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 22:00:09,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:09,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:09,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:09,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:09,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:09,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:09,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:09,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 22:00:09,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:09,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:09,165 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:09,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:00:09,180 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 22:00:09,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:09,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:09,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:09,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:09,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:09,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:09,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:09,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 22:00:09,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:09,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:09,209 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:09,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:00:09,210 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 22:00:09,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:09,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:09,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:09,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:09,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:09,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:09,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:09,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-31 22:00:09,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:09,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:09,239 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:09,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:00:09,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:00:09,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:09,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:09,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:09,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:09,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:09,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:09,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:09,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-31 22:00:09,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:09,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:09,280 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:09,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:00:09,281 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 22:00:09,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:09,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:09,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:09,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:09,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:09,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:09,306 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:00:09,332 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-10-31 22:00:09,332 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-10-31 22:00:09,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:09,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:09,333 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:09,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:00:09,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:00:09,346 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:00:09,346 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:00:09,346 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_f_~y~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_f_~y~0#1.base) 0)_2 Supporting invariants [1*v_rep(select (select #memory_int#4 ULTIMATE.start_f_~d_ref~0#1.base) 0)_1 - 2 >= 0] [2024-10-31 22:00:09,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-31 22:00:09,632 INFO L156 tatePredicateManager]: 54 out of 57 supporting invariants were superfluous and have been removed [2024-10-31 22:00:09,638 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 22:00:09,639 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 22:00:09,639 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y~0!base,]]] [2024-10-31 22:00:09,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:09,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-31 22:00:09,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:09,727 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 22:00:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:09,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-31 22:00:09,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:09,895 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 22:00:09,895 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 22:00:09,896 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 22:00:10,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 44 transitions. Complement of second has 10 states. [2024-10-31 22:00:10,006 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 22:00:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 22:00:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2024-10-31 22:00:10,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:00:10,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:10,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2024-10-31 22:00:10,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:10,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2024-10-31 22:00:10,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:10,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2024-10-31 22:00:10,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 22:00:10,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 36 states and 43 transitions. [2024-10-31 22:00:10,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-31 22:00:10,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-10-31 22:00:10,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2024-10-31 22:00:10,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:00:10,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 43 transitions. [2024-10-31 22:00:10,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2024-10-31 22:00:10,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-10-31 22:00:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 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 22:00:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2024-10-31 22:00:10,014 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2024-10-31 22:00:10,014 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2024-10-31 22:00:10,014 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:00:10,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2024-10-31 22:00:10,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 22:00:10,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:00:10,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:00:10,016 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:10,016 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 22:00:10,016 INFO L745 eck$LassoCheckResult]: Stem: 844#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 831#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 832#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#4(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#1(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#2(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#3(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 838#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 839#L562-2 call f_#t~mem8#1 := read~int#3(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#2(f_~k~0#1.base, f_~k~0#1.offset, 4); 845#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 846#L567-2 call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 833#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int#1(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 834#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 840#L567 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 841#L568 [2024-10-31 22:00:10,017 INFO L747 eck$LassoCheckResult]: Loop: 841#L568 call f_#t~mem15#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);call f_#t~mem16#1 := read~int#4(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(f_#t~mem15#1 - f_#t~mem16#1, f_~x~0#1.base, f_~x~0#1.offset, 4);havoc f_#t~nondet17#1;call write~int#1(f_#t~nondet17#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~nondet17#1;call f_#t~mem18#1 := read~int#3(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int#3(f_#t~mem18#1 - 1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem18#1; 849#L567-2 call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 850#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int#1(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 853#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 852#L567 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 841#L568 [2024-10-31 22:00:10,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:10,017 INFO L85 PathProgramCache]: Analyzing trace with hash -260778639, now seen corresponding path program 1 times [2024-10-31 22:00:10,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:10,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976217830] [2024-10-31 22:00:10,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:10,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:10,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:10,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:10,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:10,056 INFO L85 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 1 times [2024-10-31 22:00:10,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:10,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376248900] [2024-10-31 22:00:10,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:10,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:10,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:10,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:10,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:10,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1938200384, now seen corresponding path program 1 times [2024-10-31 22:00:10,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:10,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584050558] [2024-10-31 22:00:10,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:10,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:10,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:10,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:10,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584050558] [2024-10-31 22:00:10,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584050558] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:10,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118962806] [2024-10-31 22:00:10,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:10,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:10,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:10,471 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:10,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-31 22:00:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:10,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 22:00:10,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:10,596 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 22:00:10,601 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 22:00:10,660 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 25 treesize of output 17 [2024-10-31 22:00:10,664 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 36 treesize of output 13 [2024-10-31 22:00:10,686 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 15 treesize of output 7 [2024-10-31 22:00:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:10,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:00:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:10,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118962806] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:00:10,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:00:10,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2024-10-31 22:00:10,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513492630] [2024-10-31 22:00:10,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:00:11,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:11,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:00:11,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:00:11,094 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 11 Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:11,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:11,194 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-10-31 22:00:11,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 34 transitions. [2024-10-31 22:00:11,195 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:00:11,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2024-10-31 22:00:11,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:00:11,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:00:11,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:00:11,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:00:11,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:00:11,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:00:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:00:11,197 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:00:11,197 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:00:11,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:00:11,197 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:00:11,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:00:11,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:00:11 BoogieIcfgContainer [2024-10-31 22:00:11,203 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:00:11,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:00:11,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:00:11,204 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:00:11,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:55" (3/4) ... [2024-10-31 22:00:11,207 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:00:11,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:00:11,209 INFO L158 Benchmark]: Toolchain (without parser) took 17131.58ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 101.2MB in the beginning and 198.3MB in the end (delta: -97.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-10-31 22:00:11,210 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 134.2MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:00:11,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.56ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 82.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:00:11,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.35ms. Allocated memory is still 134.2MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:00:11,211 INFO L158 Benchmark]: Boogie Preprocessor took 86.36ms. Allocated memory is still 134.2MB. Free memory was 80.7MB in the beginning and 78.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:00:11,211 INFO L158 Benchmark]: RCFGBuilder took 608.32ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 78.2MB in the beginning and 143.6MB in the end (delta: -65.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-10-31 22:00:11,212 INFO L158 Benchmark]: BuchiAutomizer took 15741.66ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 143.5MB in the beginning and 198.3MB in the end (delta: -54.9MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-10-31 22:00:11,212 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 251.7MB. Free memory is still 198.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:00:11,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 134.2MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.56ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 82.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.35ms. Allocated memory is still 134.2MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.36ms. Allocated memory is still 134.2MB. Free memory was 80.7MB in the beginning and 78.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 608.32ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 78.2MB in the beginning and 143.6MB in the end (delta: -65.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 15741.66ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 143.5MB in the beginning and 198.3MB in the end (delta: -54.9MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 251.7MB. Free memory is still 198.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.6s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 14.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 213 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 97 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital310 mio100 ax105 hnf100 lsp94 ukn76 mio100 lsp25 div100 bol100 ite100 ukn100 eq166 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:00:11,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-31 22:00:11,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56db3e32-3bf8-4a3f-aa27-d1190e795d25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE