./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/float-benchs/interpolation.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme --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 32bit --witnessprinter.graph.data.programhash 30f6a485d859f7eee00a1696279d966456b3a38851c6233a0367f621da73d6bd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:37,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:38,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:52:38,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:38,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:38,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:38,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:38,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:38,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:38,065 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:38,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:38,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:38,067 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:38,068 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:52:38,069 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:52:38,069 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:52:38,070 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:52:38,070 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:52:38,071 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:52:38,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:38,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:52:38,073 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:52:38,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:38,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:52:38,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:38,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:52:38,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:52:38,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:52:38,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:38,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:52:38,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:38,078 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:52:38,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:38,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:38,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:38,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:38,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:38,080 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:52:38,081 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_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30f6a485d859f7eee00a1696279d966456b3a38851c6233a0367f621da73d6bd [2023-11-26 11:52:38,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:38,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:38,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:38,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:38,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:38,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/float-benchs/interpolation.c [2023-11-26 11:52:41,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:41,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:41,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/sv-benchmarks/c/float-benchs/interpolation.c [2023-11-26 11:52:41,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/data/c32ade5bd/908cd79a470a4bfdbd172cc2efda755b/FLAG11a56ed38 [2023-11-26 11:52:41,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/data/c32ade5bd/908cd79a470a4bfdbd172cc2efda755b [2023-11-26 11:52:41,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:41,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:41,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:41,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:41,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:41,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4403e683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41, skipping insertion in model container [2023-11-26 11:52:41,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,991 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:42,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:42,192 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:42,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:42,237 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:42,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42 WrapperNode [2023-11-26 11:52:42,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:42,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:42,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:42,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:42,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,293 INFO L138 Inliner]: procedures = 18, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-11-26 11:52:42,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:42,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:42,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:42,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:42,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,333 INFO L175 MemorySlicer]: Split 18 memory accesses to 3 slices as follows [2, 8, 8]. 44 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2023-11-26 11:52:42,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:42,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:42,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:42,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:42,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (1/1) ... [2023-11-26 11:52:42,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:42,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:42,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:42,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:52:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:52:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:52:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 11:52:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 11:52:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-26 11:52:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 11:52:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 11:52:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-26 11:52:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:52:42,560 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:42,563 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:42,764 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:42,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:42,773 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:52:42,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:42 BoogieIcfgContainer [2023-11-26 11:52:42,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:42,776 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:52:42,776 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:52:42,793 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:52:42,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:42,794 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:52:41" (1/3) ... [2023-11-26 11:52:42,795 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@253706b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:52:42, skipping insertion in model container [2023-11-26 11:52:42,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:42,795 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:42" (2/3) ... [2023-11-26 11:52:42,796 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@253706b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:52:42, skipping insertion in model container [2023-11-26 11:52:42,796 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:42,796 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:42" (3/3) ... [2023-11-26 11:52:42,797 INFO L332 chiAutomizerObserver]: Analyzing ICFG interpolation.c [2023-11-26 11:52:42,878 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:52:42,878 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:52:42,879 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:52:42,880 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:52:42,880 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:52:42,880 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:52:42,880 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:52:42,881 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:52:42,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 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) [2023-11-26 11:52:42,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 11:52:42,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:42,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:42,905 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:52:42,905 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:52:42,905 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:52:42,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 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) [2023-11-26 11:52:42,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 11:52:42,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:42,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:42,908 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:52:42,908 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:52:42,915 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem9#1, main_#t~post8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~i~0#1, main_~z~0#1, main_~t~0#1, main_~#min~0#1.base, main_~#min~0#1.offset, main_~#max~0#1.base, main_~#max~0#1.offset;havoc main_~i~0#1;havoc main_~z~0#1;havoc main_~t~0#1;call main_~#min~0#1.base, main_~#min~0#1.offset := #Ultimate.allocOnStack(20);call write~init~real#1(~convertINTToFLOAT(5), main_~#min~0#1.base, main_~#min~0#1.offset, 4);call write~init~real#1(~convertINTToFLOAT(10), main_~#min~0#1.base, 4 + main_~#min~0#1.offset, 4);call write~init~real#1(~convertINTToFLOAT(12), main_~#min~0#1.base, 8 + main_~#min~0#1.offset, 4);call write~init~real#1(~convertINTToFLOAT(30), main_~#min~0#1.base, 12 + main_~#min~0#1.offset, 4);call write~init~real#1(~convertINTToFLOAT(150), main_~#min~0#1.base, 16 + main_~#min~0#1.offset, 4);call main_~#max~0#1.base, main_~#max~0#1.offset := #Ultimate.allocOnStack(20);call write~init~real#2(~convertINTToFLOAT(10), main_~#max~0#1.base, main_~#max~0#1.offset, 4);call write~init~real#2(~convertINTToFLOAT(12), main_~#max~0#1.base, 4 + main_~#max~0#1.offset, 4);call write~init~real#2(~convertINTToFLOAT(30), main_~#max~0#1.base, 8 + main_~#max~0#1.offset, 4);call write~init~real#2(~convertINTToFLOAT(150), main_~#max~0#1.base, 12 + main_~#max~0#1.offset, 4);call write~init~real#2(~convertINTToFLOAT(300), main_~#max~0#1.base, 16 + main_~#max~0#1.offset, 4);havoc main_#t~nondet4#1;main_~t~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;call main_#t~mem5#1 := read~real#1(main_~#min~0#1.base, main_~#min~0#1.offset, 4);main_#t~short7#1 := ~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem5#1); 17#L19true assume !main_#t~short7#1; 2#L19-2true assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if main_#t~short7#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 7#L7true assume !(0 == assume_abort_if_not_~cond#1); 13#L6true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;main_~i~0#1 := 0; 4#L21-3true [2023-11-26 11:52:42,916 INFO L750 eck$LassoCheckResult]: Loop: 4#L21-3true assume !!(main_~i~0#1 % 4294967296 < 5);call main_#t~mem9#1 := read~real#2(main_~#max~0#1.base, main_~#max~0#1.offset + 4 * main_~i~0#1, 4); 10#L22true assume !~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem9#1);havoc main_#t~mem9#1; 15#L21-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 4#L21-3true [2023-11-26 11:52:42,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:42,921 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 1 times [2023-11-26 11:52:42,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:42,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419402981] [2023-11-26 11:52:42,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:42,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:43,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:43,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419402981] [2023-11-26 11:52:43,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419402981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:43,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:43,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:43,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257876118] [2023-11-26 11:52:43,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:43,222 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:52:43,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:43,223 INFO L85 PathProgramCache]: Analyzing trace with hash 53785, now seen corresponding path program 1 times [2023-11-26 11:52:43,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:43,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921821711] [2023-11-26 11:52:43,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:43,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:43,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:52:43,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:43,396 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2023-11-26 11:52:43,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:43,430 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-11-26 11:52:43,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 19 transitions. [2023-11-26 11:52:43,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 11:52:43,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 9 states and 9 transitions. [2023-11-26 11:52:43,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 11:52:43,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 11:52:43,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 9 transitions. [2023-11-26 11:52:43,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:43,439 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-26 11:52:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 9 transitions. [2023-11-26 11:52:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-26 11:52:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.0) internal successors, (9), 8 states have internal predecessors, (9), 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) [2023-11-26 11:52:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-26 11:52:43,467 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-26 11:52:43,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:52:43,472 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-26 11:52:43,473 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:52:43,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 9 transitions. [2023-11-26 11:52:43,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 11:52:43,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:43,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:43,474 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:52:43,474 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:52:43,475 INFO L748 eck$LassoCheckResult]: Stem: 53#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 54#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem9#1, main_#t~post8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~i~0#1, main_~z~0#1, main_~t~0#1, main_~#min~0#1.base, main_~#min~0#1.offset, main_~#max~0#1.base, main_~#max~0#1.offset;havoc main_~i~0#1;havoc main_~z~0#1;havoc main_~t~0#1;call main_~#min~0#1.base, main_~#min~0#1.offset := #Ultimate.allocOnStack(20);call write~init~real#1(~convertINTToFLOAT(5), main_~#min~0#1.base, main_~#min~0#1.offset, 4);call write~init~real#1(~convertINTToFLOAT(10), main_~#min~0#1.base, 4 + main_~#min~0#1.offset, 4);call write~init~real#1(~convertINTToFLOAT(12), main_~#min~0#1.base, 8 + main_~#min~0#1.offset, 4);call write~init~real#1(~convertINTToFLOAT(30), main_~#min~0#1.base, 12 + main_~#min~0#1.offset, 4);call write~init~real#1(~convertINTToFLOAT(150), main_~#min~0#1.base, 16 + main_~#min~0#1.offset, 4);call main_~#max~0#1.base, main_~#max~0#1.offset := #Ultimate.allocOnStack(20);call write~init~real#2(~convertINTToFLOAT(10), main_~#max~0#1.base, main_~#max~0#1.offset, 4);call write~init~real#2(~convertINTToFLOAT(12), main_~#max~0#1.base, 4 + main_~#max~0#1.offset, 4);call write~init~real#2(~convertINTToFLOAT(30), main_~#max~0#1.base, 8 + main_~#max~0#1.offset, 4);call write~init~real#2(~convertINTToFLOAT(150), main_~#max~0#1.base, 12 + main_~#max~0#1.offset, 4);call write~init~real#2(~convertINTToFLOAT(300), main_~#max~0#1.base, 16 + main_~#max~0#1.offset, 4);havoc main_#t~nondet4#1;main_~t~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;call main_#t~mem5#1 := read~real#1(main_~#min~0#1.base, main_~#min~0#1.offset, 4);main_#t~short7#1 := ~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem5#1); 55#L19 assume main_#t~short7#1;call main_#t~mem6#1 := read~real#2(main_~#max~0#1.base, 16 + main_~#max~0#1.offset, 4);main_#t~short7#1 := ~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem6#1); 47#L19-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if main_#t~short7#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 48#L7 assume !(0 == assume_abort_if_not_~cond#1); 52#L6 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;main_~i~0#1 := 0; 49#L21-3 [2023-11-26 11:52:43,476 INFO L750 eck$LassoCheckResult]: Loop: 49#L21-3 assume !!(main_~i~0#1 % 4294967296 < 5);call main_#t~mem9#1 := read~real#2(main_~#max~0#1.base, main_~#max~0#1.offset + 4 * main_~i~0#1, 4); 50#L22 assume !~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem9#1);havoc main_#t~mem9#1; 51#L21-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 49#L21-3 [2023-11-26 11:52:43,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:43,477 INFO L85 PathProgramCache]: Analyzing trace with hash 889508777, now seen corresponding path program 1 times [2023-11-26 11:52:43,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:43,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193246607] [2023-11-26 11:52:43,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:43,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:43,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:43,560 INFO L85 PathProgramCache]: Analyzing trace with hash 53785, now seen corresponding path program 2 times [2023-11-26 11:52:43,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:43,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994673905] [2023-11-26 11:52:43,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:43,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:43,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:43,579 INFO L85 PathProgramCache]: Analyzing trace with hash -592216719, now seen corresponding path program 1 times [2023-11-26 11:52:43,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:43,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752235510] [2023-11-26 11:52:43,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:43,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:43,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:44,166 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:52:44,166 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:52:44,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:52:44,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:52:44,167 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:52:44,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:44,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:52:44,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:52:44,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: interpolation.c_Iteration2_Lasso [2023-11-26 11:52:44,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:52:44,168 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:52:44,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:52:44,967 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:52:44,972 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:52:44,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:44,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:44,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,002 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 [2023-11-26 11:52:45,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:52:45,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,055 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 [2023-11-26 11:52:45,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:52:45,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:52:45,109 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 [2023-11-26 11:52:45,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,158 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 [2023-11-26 11:52:45,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:52:45,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,200 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,214 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 [2023-11-26 11:52:45,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:52:45,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,264 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:52:45,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:52:45,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,311 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:52:45,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:52:45,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,355 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,364 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 [2023-11-26 11:52:45,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:52:45,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:52:45,413 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 [2023-11-26 11:52:45,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,448 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:52:45,457 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 [2023-11-26 11:52:45,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,490 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:52:45,498 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 [2023-11-26 11:52:45,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,543 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,554 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 [2023-11-26 11:52:45,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:52:45,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,586 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:52:45,593 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 [2023-11-26 11:52:45,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,630 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:52:45,637 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 [2023-11-26 11:52:45,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,675 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,686 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 [2023-11-26 11:52:45,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:52:45,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:52:45,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:52:45,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:52:45,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,731 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,746 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 [2023-11-26 11:52:45,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:52:45,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,794 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,798 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 [2023-11-26 11:52:45,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:52:45,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,837 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:52:45,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:52:45,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,882 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:52:45,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:52:45,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,944 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,953 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 [2023-11-26 11:52:45,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:45,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:45,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:45,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:45,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:52:45,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:45,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:45,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:45,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:45,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:45,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:45,986 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:45,993 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 [2023-11-26 11:52:46,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:46,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:46,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:46,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:46,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:52:46,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:46,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:46,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:46,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:46,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:46,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:46,040 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:46,045 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 [2023-11-26 11:52:46,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:52:46,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:46,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:46,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:46,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:46,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:46,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:46,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:52:46,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:46,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:46,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:46,088 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:46,093 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 [2023-11-26 11:52:46,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:52:46,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:52:46,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:52:46,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:52:46,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:52:46,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:52:46,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:52:46,136 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:52:46,217 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-26 11:52:46,217 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-26 11:52:46,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:46,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:46,243 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:46,245 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:52:46,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:52:46,256 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:52:46,256 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:52:46,257 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#max~0#1.offset, ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#max~0#1.base)_1) = -1*ULTIMATE.start_main_~#max~0#1.offset - 4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#max~0#1.base)_1 Supporting invariants [] [2023-11-26 11:52:46,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-26 11:52:46,310 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-26 11:52:46,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#max~0!base] could not be translated [2023-11-26 11:52:46,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:46,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:52:46,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:46,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:52:46,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:46,411 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:52:46,412 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 9 transitions. cyclomatic complexity: 1 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-26 11:52:46,463 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 9 transitions. cyclomatic complexity: 1. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 12 states and 13 transitions. Complement of second has 4 states. [2023-11-26 11:52:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 11:52:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-26 11:52:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-26 11:52:46,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-26 11:52:46,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:52:46,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-26 11:52:46,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:52:46,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-26 11:52:46,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:52:46,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2023-11-26 11:52:46,473 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:52:46,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2023-11-26 11:52:46,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:52:46,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:52:46,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:52:46,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:46,474 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:52:46,474 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:52:46,474 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:52:46,474 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:52:46,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:52:46,475 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:52:46,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:52:46,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:52:46 BoogieIcfgContainer [2023-11-26 11:52:46,488 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:52:46,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:46,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:46,490 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:46,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:42" (3/4) ... [2023-11-26 11:52:46,492 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:46,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:46,494 INFO L158 Benchmark]: Toolchain (without parser) took 4537.62ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 97.5MB in the beginning and 73.3MB in the end (delta: 24.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-26 11:52:46,494 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:46,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.70ms. Allocated memory is still 136.3MB. Free memory was 97.1MB in the beginning and 86.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:52:46,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.39ms. Allocated memory is still 136.3MB. Free memory was 86.5MB in the beginning and 84.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:46,504 INFO L158 Benchmark]: Boogie Preprocessor took 51.36ms. Allocated memory is still 136.3MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:46,504 INFO L158 Benchmark]: RCFGBuilder took 422.84ms. Allocated memory is still 136.3MB. Free memory was 82.4MB in the beginning and 71.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:52:46,505 INFO L158 Benchmark]: BuchiAutomizer took 3712.56ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 71.3MB in the beginning and 73.3MB in the end (delta: -2.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-26 11:52:46,505 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 163.6MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:46,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.70ms. Allocated memory is still 136.3MB. Free memory was 97.1MB in the beginning and 86.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.39ms. Allocated memory is still 136.3MB. Free memory was 86.5MB in the beginning and 84.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.36ms. Allocated memory is still 136.3MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.84ms. Allocated memory is still 136.3MB. Free memory was 82.4MB in the beginning and 71.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3712.56ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 71.3MB in the beginning and 73.3MB in the end (delta: -2.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 163.6MB. Free memory is still 73.3MB. 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: ArrayAccessExpression #length[~#max~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 25 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital137 mio100 ax100 hnf100 lsp86 ukn86 mio100 lsp34 div202 bol100 ite100 ukn100 eq146 hnf94 smp64 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:52:46,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:46,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37c47e0-53e8-442b-ba93-f34f2aee0210/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE