./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4bbbe04c9dba98aa5a077e0a60c500bf4a30aa0c3c4a719617c99453275c1ed3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:04:52,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:04:52,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 22:04:52,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:04:52,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:04:52,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:04:52,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:04:52,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:04:52,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:04:52,253 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:04:52,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:04:52,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:04:52,255 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:04:52,256 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:04:52,256 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:04:52,257 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:04:52,258 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:04:52,258 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:04:52,259 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:04:52,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:04:52,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:04:52,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:04:52,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:04:52,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:04:52,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:04:52,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:04:52,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:04:52,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:04:52,265 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:04:52,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:04:52,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:04:52,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:04:52,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:04:52,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:04:52,268 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:04:52,269 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_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbbe04c9dba98aa5a077e0a60c500bf4a30aa0c3c4a719617c99453275c1ed3 [2023-11-21 22:04:52,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:04:52,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:04:52,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:04:52,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:04:52,608 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:04:52,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i [2023-11-21 22:04:55,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:04:56,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:04:56,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i [2023-11-21 22:04:56,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/data/5ab612685/d2c7c32c9e44417dbf17cb78976d018c/FLAG5377d3bee [2023-11-21 22:04:56,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/data/5ab612685/d2c7c32c9e44417dbf17cb78976d018c [2023-11-21 22:04:56,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:04:56,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:04:56,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:56,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:04:56,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:04:56,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9d0b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56, skipping insertion in model container [2023-11-21 22:04:56,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:04:56,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:56,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:04:56,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:56,802 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:04:56,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56 WrapperNode [2023-11-21 22:04:56,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:56,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:56,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:04:56,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:04:56,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,874 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-21 22:04:56,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:56,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:04:56,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:04:56,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:04:56,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,909 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,920 INFO L187 HeapSplitter]: Split 12 memory accesses to 3 slices as follows [4, 4, 4] [2023-11-21 22:04:56,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:04:56,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:04:56,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:04:56,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:04:56,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:04:56,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:04:57,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:04:57,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:04:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:04:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:04:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:04:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:04:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:04:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:04:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:04:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:04:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:04:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:04:57,195 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:04:57,197 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:04:57,345 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:04:57,353 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:04:57,354 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:04:57,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:04:57 BoogieIcfgContainer [2023-11-21 22:04:57,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:04:57,357 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:04:57,357 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:04:57,361 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:04:57,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:04:57,362 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:04:56" (1/3) ... [2023-11-21 22:04:57,363 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@356d85ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:04:57, skipping insertion in model container [2023-11-21 22:04:57,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:04:57,364 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56" (2/3) ... [2023-11-21 22:04:57,364 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@356d85ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:04:57, skipping insertion in model container [2023-11-21 22:04:57,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:04:57,365 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:04:57" (3/3) ... [2023-11-21 22:04:57,366 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.04-alloca.i [2023-11-21 22:04:57,457 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:04:57,457 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:04:57,458 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:04:57,458 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:04:57,458 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:04:57,459 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:04:57,459 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:04:57,459 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:04:57,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:04:57,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:04:57,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:04:57,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:04:57,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:04:57,496 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:04:57,496 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:04:57,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:04:57,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:04:57,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:04:57,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:04:57,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:04:57,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:04:57,509 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~ret14#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~tmp#1 := main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem10#1, test_fun_~x#1, test_fun_~y#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4); 3#L555-3true [2023-11-21 22:04:57,510 INFO L750 eck$LassoCheckResult]: Loop: 3#L555-3true call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 9#L555-1true assume !!(test_fun_#t~mem5#1 > test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem7#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1;call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem8#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem9#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 3#L555-3true [2023-11-21 22:04:57,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:04:57,516 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-21 22:04:57,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:04:57,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57463312] [2023-11-21 22:04:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:04:57,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:04:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:57,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:04:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:57,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:04:57,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:04:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2023-11-21 22:04:57,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:04:57,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928018517] [2023-11-21 22:04:57,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:04:57,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:04:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:57,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:04:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:57,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:04:57,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:04:57,898 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-21 22:04:57,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:04:57,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547307594] [2023-11-21 22:04:57,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:04:57,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:04:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:58,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:04:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:58,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:04:59,222 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:04:59,223 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:04:59,223 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:04:59,223 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:04:59,224 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:04:59,224 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:04:59,224 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:04:59,224 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:04:59,224 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.04-alloca.i_Iteration1_Lasso [2023-11-21 22:04:59,224 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:04:59,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:04:59,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:04:59,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:04:59,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:04:59,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:04:59,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:04:59,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:05:00,768 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:05:00,773 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:05:00,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:00,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:00,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:00,785 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 [2023-11-21 22:05:00,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:05:00,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:00,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:05:00,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:00,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:00,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:00,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:05:00,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:05:00,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:00,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:00,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:00,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:00,854 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 [2023-11-21 22:05:00,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:05:00,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:00,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:05:00,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:00,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:00,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:00,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:05:00,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:05:00,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:00,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:00,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:00,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:00,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:00,917 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 [2023-11-21 22:05:00,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:05:00,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:00,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:05:00,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:00,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:00,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:00,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:05:00,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:05:00,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:00,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:00,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:00,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:00,967 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:00,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:05:00,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:05:00,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:00,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:05:00,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:00,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:00,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:00,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:05:00,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:05:01,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:01,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:01,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:01,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:05:01,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:01,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:01,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:01,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:01,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:05:01,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:05:01,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:05:01,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:01,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:01,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:01,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:01,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:05:01,094 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 [2023-11-21 22:05:01,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:01,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:01,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:01,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:01,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:05:01,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:05:01,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:01,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:01,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:01,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:01,169 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:01,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:05:01,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:05:01,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:01,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:01,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:01,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:01,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:05:01,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:05:01,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:01,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:01,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:01,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:01,252 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:01,261 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 [2023-11-21 22:05:01,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:01,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:01,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:01,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:01,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:05:01,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:05:01,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:05:01,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:01,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:01,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:01,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:01,327 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:01,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:05:01,336 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 [2023-11-21 22:05:01,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:01,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:01,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:01,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:01,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:05:01,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:05:01,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:05:01,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:01,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:01,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:01,387 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:01,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:05:01,397 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 [2023-11-21 22:05:01,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:05:01,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:05:01,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:05:01,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:05:01,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:05:01,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:05:01,446 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:05:01,506 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-21 22:05:01,506 INFO L444 ModelExtractionUtils]: 15 out of 43 variables were initially zero. Simplification set additionally 23 variables to zero. [2023-11-21 22:05:01,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:05:01,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:01,546 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:01,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:05:01,548 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:05:01,574 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 22:05:01,574 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:05:01,575 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1, ULTIMATE.start_test_fun_#in~y#1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 - 1*ULTIMATE.start_test_fun_#in~y#1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 - 1*ULTIMATE.start_test_fun_#in~y#1 >= 0] [2023-11-21 22:05:01,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:01,720 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2023-11-21 22:05:01,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-21 22:05:01,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:05:01,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 22:05:01,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:01,934 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 [2023-11-21 22:05:01,936 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:05:02,020 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 20 transitions. Complement of second has 8 states. [2023-11-21 22:05:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:05:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:05:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-21 22:05:02,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-21 22:05:02,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:05:02,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-21 22:05:02,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:05:02,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-21 22:05:02,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:05:02,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2023-11-21 22:05:02,039 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:05:02,041 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2023-11-21 22:05:02,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:05:02,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:05:02,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:05:02,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:05:02,044 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:05:02,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:05:02,044 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:05:02,047 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:05:02,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:05:02,049 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:05:02,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:05:02,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:05:02 BoogieIcfgContainer [2023-11-21 22:05:02,058 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:05:02,059 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:05:02,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:05:02,060 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:05:02,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:04:57" (3/4) ... [2023-11-21 22:05:02,068 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:05:02,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:05:02,071 INFO L158 Benchmark]: Toolchain (without parser) took 5900.07ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 102.3MB in the beginning and 73.8MB in the end (delta: 28.5MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2023-11-21 22:05:02,076 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 148.9MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:02,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.90ms. Allocated memory is still 148.9MB. Free memory was 102.3MB in the beginning and 86.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:05:02,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.56ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:02,078 INFO L158 Benchmark]: Boogie Preprocessor took 87.69ms. Allocated memory is still 148.9MB. Free memory was 84.6MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:02,079 INFO L158 Benchmark]: RCFGBuilder took 391.56ms. Allocated memory is still 148.9MB. Free memory was 82.6MB in the beginning and 70.6MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:05:02,082 INFO L158 Benchmark]: BuchiAutomizer took 4700.86ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 70.6MB in the beginning and 73.8MB in the end (delta: -3.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-11-21 22:05:02,082 INFO L158 Benchmark]: Witness Printer took 10.36ms. Allocated memory is still 201.3MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:02,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 148.9MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.90ms. Allocated memory is still 148.9MB. Free memory was 102.3MB in the beginning and 86.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.56ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.69ms. Allocated memory is still 148.9MB. Free memory was 84.6MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.56ms. Allocated memory is still 148.9MB. Free memory was 82.6MB in the beginning and 70.6MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4700.86ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 70.6MB in the beginning and 73.8MB in the end (delta: -3.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Witness Printer took 10.36ms. Allocated memory is still 201.3MB. Free memory is still 73.8MB. 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 #memory_int#0[~x_ref~0!base][~x_ref~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital268 mio100 ax106 hnf100 lsp92 ukn73 mio100 lsp26 div100 bol100 ite100 ukn100 eq215 hnf86 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms 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! [2023-11-21 22:05:02,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:02,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077f2886-b725-4197-97c1-fbfe6fe19998/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE