./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sum05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sum05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya --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 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:08:49,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:08:49,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 01:08:49,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:08:49,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:08:49,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:08:49,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:08:49,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:08:49,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:08:49,259 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:08:49,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:08:49,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:08:49,261 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:08:49,261 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 01:08:49,262 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 01:08:49,262 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 01:08:49,262 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 01:08:49,263 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 01:08:49,263 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 01:08:49,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:08:49,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 01:08:49,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:08:49,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:08:49,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:08:49,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:08:49,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 01:08:49,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 01:08:49,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 01:08:49,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:08:49,268 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:08:49,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:08:49,269 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 01:08:49,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:08:49,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:08:49,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:08:49,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:08:49,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:08:49,270 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 01:08:49,270 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_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f [2023-11-29 01:08:49,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:08:49,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:08:49,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:08:49,552 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:08:49,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:08:49,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/reducercommutativity/sum05-2.i [2023-11-29 01:08:52,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:08:52,510 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:08:52,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/sv-benchmarks/c/reducercommutativity/sum05-2.i [2023-11-29 01:08:52,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/data/afc2ce400/b244f03d0d6c4713b7261241e39cc0ce/FLAGc2e0d74e0 [2023-11-29 01:08:52,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/data/afc2ce400/b244f03d0d6c4713b7261241e39cc0ce [2023-11-29 01:08:52,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:08:52,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:08:52,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:08:52,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:08:52,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:08:52,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20006f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52, skipping insertion in model container [2023-11-29 01:08:52,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:08:52,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:08:52,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:08:52,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:08:52,761 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:08:52,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52 WrapperNode [2023-11-29 01:08:52,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:08:52,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:08:52,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:08:52,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:08:52,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,801 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 119 [2023-11-29 01:08:52,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:08:52,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:08:52,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:08:52,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:08:52,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,836 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2023-11-29 01:08:52,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:08:52,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:08:52,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:08:52,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:08:52,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:52,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:52,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:52,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 01:08:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:08:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:08:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:08:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:08:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:08:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:08:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:08:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:08:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:08:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:08:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:08:53,003 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:08:53,005 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:08:53,175 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:08:53,184 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:08:53,185 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 01:08:53,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:08:53 BoogieIcfgContainer [2023-11-29 01:08:53,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:08:53,187 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 01:08:53,188 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 01:08:53,191 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 01:08:53,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:08:53,192 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 01:08:52" (1/3) ... [2023-11-29 01:08:53,193 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5812f2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:08:53, skipping insertion in model container [2023-11-29 01:08:53,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:08:53,193 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52" (2/3) ... [2023-11-29 01:08:53,194 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5812f2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:08:53, skipping insertion in model container [2023-11-29 01:08:53,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:08:53,194 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:08:53" (3/3) ... [2023-11-29 01:08:53,195 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum05-2.i [2023-11-29 01:08:53,248 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 01:08:53,248 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 01:08:53,248 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 01:08:53,249 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 01:08:53,249 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 01:08:53,249 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 01:08:53,249 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 01:08:53,249 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 01:08:53,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 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) [2023-11-29 01:08:53,271 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-11-29 01:08:53,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:53,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:53,276 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 01:08:53,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:53,276 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 01:08:53,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 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) [2023-11-29 01:08:53,279 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-11-29 01:08:53,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:53,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:53,280 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 01:08:53,280 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:53,287 INFO L748 eck$LassoCheckResult]: Stem: 25#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 17#L34-3true [2023-11-29 01:08:53,287 INFO L750 eck$LassoCheckResult]: Loop: 17#L34-3true assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 13#L34-2true main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 17#L34-3true [2023-11-29 01:08:53,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:53,293 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 01:08:53,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:53,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645315580] [2023-11-29 01:08:53,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:53,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:53,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:53,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:53,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:53,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-29 01:08:53,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:53,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088204815] [2023-11-29 01:08:53,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:53,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:53,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:53,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:53,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:53,452 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-29 01:08:53,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:53,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721155577] [2023-11-29 01:08:53,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:53,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:53,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:53,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:53,783 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:08:53,784 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:08:53,784 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:08:53,784 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:08:53,784 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:08:53,784 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:53,784 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:08:53,785 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:08:53,785 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration1_Lasso [2023-11-29 01:08:53,785 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:08:53,785 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:08:53,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:53,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:54,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:54,232 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:08:54,235 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:08:54,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 01:08:54,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:08:54,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:54,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 01:08:54,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:08:54,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 01:08:54,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 01:08:54,292 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 [2023-11-29 01:08:54,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 01:08:54,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 01:08:54,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:08:54,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:54,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:54,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:54,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 01:08:54,350 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 [2023-11-29 01:08:54,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:54,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:54,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 01:08:54,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,375 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 01:08:54,378 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 [2023-11-29 01:08:54,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 01:08:54,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,395 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 01:08:54,398 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 [2023-11-29 01:08:54,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 01:08:54,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,415 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 01:08:54,417 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 [2023-11-29 01:08:54,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 01:08:54,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,460 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 01:08:54,478 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 [2023-11-29 01:08:54,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 01:08:54,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,521 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 01:08:54,525 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 [2023-11-29 01:08:54,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 01:08:54,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,546 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 01:08:54,553 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 [2023-11-29 01:08:54,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 01:08:54,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,570 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 01:08:54,572 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 [2023-11-29 01:08:54,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 01:08:54,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,588 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 01:08:54,591 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 [2023-11-29 01:08:54,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 01:08:54,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,607 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 01:08:54,609 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 [2023-11-29 01:08:54,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 01:08:54,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,625 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 01:08:54,629 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 [2023-11-29 01:08:54,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 01:08:54,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,652 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 01:08:54,654 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 [2023-11-29 01:08:54,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 01:08:54,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,670 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 01:08:54,672 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 [2023-11-29 01:08:54,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:54,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:54,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:54,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 01:08:54,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,689 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 01:08:54,693 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 [2023-11-29 01:08:54,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:54,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:54,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:54,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,718 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 01:08:54,725 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 [2023-11-29 01:08:54,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:54,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:54,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,751 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 01:08:54,755 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 [2023-11-29 01:08:54,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:54,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:54,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:54,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 01:08:54,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,780 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 01:08:54,785 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 [2023-11-29 01:08:54,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:54,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:54,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:54,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:54,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:54,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:54,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:08:54,848 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-29 01:08:54,848 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-29 01:08:54,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:54,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,869 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 01:08:54,871 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:08:54,885 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:08:54,885 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:08:54,886 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2023-11-29 01:08:54,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 01:08:54,904 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-29 01:08:54,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated [2023-11-29 01:08:54,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:54,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:08:54,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:54,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:08:54,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:55,024 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 [2023-11-29 01:08:55,027 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 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) [2023-11-29 01:08:55,074 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 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 53 states and 77 transitions. Complement of second has 8 states. [2023-11-29 01:08:55,076 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 [2023-11-29 01:08:55,081 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) [2023-11-29 01:08:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2023-11-29 01:08:55,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-29 01:08:55,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:08:55,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-29 01:08:55,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:08:55,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-29 01:08:55,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:08:55,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 77 transitions. [2023-11-29 01:08:55,088 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-29 01:08:55,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 19 states and 27 transitions. [2023-11-29 01:08:55,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-29 01:08:55,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-29 01:08:55,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2023-11-29 01:08:55,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:55,094 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-29 01:08:55,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2023-11-29 01:08:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-29 01:08:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 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) [2023-11-29 01:08:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2023-11-29 01:08:55,120 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-29 01:08:55,120 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-29 01:08:55,120 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 01:08:55,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2023-11-29 01:08:55,121 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-29 01:08:55,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:55,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:55,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 01:08:55,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:55,122 INFO L748 eck$LassoCheckResult]: Stem: 153#$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(10, 2); 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 146#L34-3 assume !(main_~i~1#1 < 5); 138#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 139#L20-3 [2023-11-29 01:08:55,122 INFO L750 eck$LassoCheckResult]: Loop: 139#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 152#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 139#L20-3 [2023-11-29 01:08:55,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,122 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2023-11-29 01:08:55,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357894401] [2023-11-29 01:08:55,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:55,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:55,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357894401] [2023-11-29 01:08:55,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357894401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:55,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:08:55,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:08:55,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084166877] [2023-11-29 01:08:55,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:55,182 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:08:55,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2023-11-29 01:08:55,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272206877] [2023-11-29 01:08:55,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:55,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:55,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:08:55,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:08:55,241 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 13 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) [2023-11-29 01:08:55,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:55,254 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2023-11-29 01:08:55,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2023-11-29 01:08:55,255 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-29 01:08:55,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2023-11-29 01:08:55,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-29 01:08:55,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-29 01:08:55,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2023-11-29 01:08:55,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:55,257 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-11-29 01:08:55,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2023-11-29 01:08:55,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-29 01:08:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2023-11-29 01:08:55,259 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-29 01:08:55,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:08:55,261 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-29 01:08:55,261 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 01:08:55,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2023-11-29 01:08:55,261 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-29 01:08:55,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:55,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:55,262 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 01:08:55,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:55,262 INFO L748 eck$LassoCheckResult]: Stem: 198#$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(10, 2); 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 191#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 194#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 195#L34-3 assume !(main_~i~1#1 < 5); 183#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 184#L20-3 [2023-11-29 01:08:55,262 INFO L750 eck$LassoCheckResult]: Loop: 184#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 197#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 184#L20-3 [2023-11-29 01:08:55,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,263 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2023-11-29 01:08:55,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022133191] [2023-11-29 01:08:55,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:55,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022133191] [2023-11-29 01:08:55,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022133191] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:08:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305890824] [2023-11-29 01:08:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:55,317 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:55,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 01:08:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:55,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:08:55,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:55,382 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:08:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:55,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305890824] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:08:55,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:08:55,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-29 01:08:55,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361680274] [2023-11-29 01:08:55,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:08:55,406 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:08:55,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2023-11-29 01:08:55,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933211585] [2023-11-29 01:08:55,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:55,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:55,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:08:55,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:08:55,483 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:55,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:55,510 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-29 01:08:55,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2023-11-29 01:08:55,511 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-29 01:08:55,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2023-11-29 01:08:55,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-29 01:08:55,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-29 01:08:55,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2023-11-29 01:08:55,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:55,512 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-29 01:08:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2023-11-29 01:08:55,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-29 01:08:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-29 01:08:55,515 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-29 01:08:55,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:08:55,516 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-29 01:08:55,516 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 01:08:55,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2023-11-29 01:08:55,517 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-29 01:08:55,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:55,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:55,518 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2023-11-29 01:08:55,518 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:55,518 INFO L748 eck$LassoCheckResult]: Stem: 282#$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(10, 2); 274#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 275#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 283#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 284#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 278#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 279#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 288#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 287#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 286#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 285#L34-3 assume !(main_~i~1#1 < 5); 267#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 268#L20-3 [2023-11-29 01:08:55,518 INFO L750 eck$LassoCheckResult]: Loop: 268#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 281#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 268#L20-3 [2023-11-29 01:08:55,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,519 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2023-11-29 01:08:55,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902063442] [2023-11-29 01:08:55,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:55,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:55,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902063442] [2023-11-29 01:08:55,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902063442] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:08:55,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22656913] [2023-11-29 01:08:55,636 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:08:55,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:55,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:55,644 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:55,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 01:08:55,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:08:55,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:08:55,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:08:55,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:55,726 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:08:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:55,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22656913] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:08:55,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:08:55,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-29 01:08:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751684621] [2023-11-29 01:08:55,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:08:55,769 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:08:55,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2023-11-29 01:08:55,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766981339] [2023-11-29 01:08:55,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:55,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:55,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:08:55,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:08:55,822 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2023-11-29 01:08:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:55,853 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-11-29 01:08:55,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2023-11-29 01:08:55,854 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-29 01:08:55,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 31 transitions. [2023-11-29 01:08:55,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-29 01:08:55,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-29 01:08:55,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2023-11-29 01:08:55,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:55,855 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-29 01:08:55,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2023-11-29 01:08:55,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-29 01:08:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 26 states have internal predecessors, (31), 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) [2023-11-29 01:08:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-11-29 01:08:55,858 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-29 01:08:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:08:55,859 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-29 01:08:55,859 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 01:08:55,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 31 transitions. [2023-11-29 01:08:55,860 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-29 01:08:55,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:55,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:55,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2023-11-29 01:08:55,861 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:55,861 INFO L748 eck$LassoCheckResult]: Stem: 411#$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(10, 2); 403#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 404#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 412#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 413#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 407#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 408#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 419#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 418#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 417#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 416#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 415#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 414#L34-3 assume !(main_~i~1#1 < 5); 396#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 397#L20-3 [2023-11-29 01:08:55,861 INFO L750 eck$LassoCheckResult]: Loop: 397#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 410#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 397#L20-3 [2023-11-29 01:08:55,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2023-11-29 01:08:55,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039628560] [2023-11-29 01:08:55,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:55,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 01:08:55,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2023-11-29 01:08:55,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489554851] [2023-11-29 01:08:55,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:55,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:55,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2023-11-29 01:08:55,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:55,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387089347] [2023-11-29 01:08:55,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:55,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:55,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:56,836 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:08:56,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:08:56,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:08:56,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:08:56,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:08:56,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:56,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:08:56,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:08:56,836 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration5_Lasso [2023-11-29 01:08:56,836 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:08:56,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:08:56,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:56,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:08:57,421 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:08:57,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:08:57,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,423 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 01:08:57,429 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 [2023-11-29 01:08:57,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 01:08:57,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,449 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 01:08:57,451 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 [2023-11-29 01:08:57,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 01:08:57,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,467 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 01:08:57,469 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 [2023-11-29 01:08:57,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:57,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,485 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 01:08:57,487 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 [2023-11-29 01:08:57,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:57,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,502 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 01:08:57,504 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 [2023-11-29 01:08:57,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 01:08:57,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,519 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 01:08:57,521 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 [2023-11-29 01:08:57,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 01:08:57,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,536 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 01:08:57,539 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 [2023-11-29 01:08:57,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:57,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:57,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 01:08:57,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,569 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 01:08:57,571 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 [2023-11-29 01:08:57,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 01:08:57,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,596 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 01:08:57,598 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 [2023-11-29 01:08:57,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 01:08:57,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,614 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 01:08:57,616 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 [2023-11-29 01:08:57,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 01:08:57,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,631 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 01:08:57,633 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 [2023-11-29 01:08:57,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:57,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,649 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 01:08:57,651 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 [2023-11-29 01:08:57,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:08:57,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:08:57,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:08:57,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-29 01:08:57,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,667 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 01:08:57,669 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 [2023-11-29 01:08:57,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:57,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:57,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:08:57,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-29 01:08:57,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,690 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 01:08:57,692 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 [2023-11-29 01:08:57,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:08:57,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:08:57,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:08:57,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:08:57,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:08:57,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:08:57,719 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:08:57,745 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-29 01:08:57,745 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-29 01:08:57,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:08:57,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:57,748 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:57,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 01:08:57,751 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:08:57,761 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:08:57,761 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:08:57,761 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_sum_~x#1.base)_1, ULTIMATE.start_sum_~i~0#1) = 9*v_rep(select #length ULTIMATE.start_sum_~x#1.base)_1 - 8*ULTIMATE.start_sum_~i~0#1 Supporting invariants [] [2023-11-29 01:08:57,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-29 01:08:57,786 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-29 01:08:57,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated [2023-11-29 01:08:57,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:57,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:08:57,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:57,855 WARN L260 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:08:57,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:57,876 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 [2023-11-29 01:08:57,876 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:57,902 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 7 states. [2023-11-29 01:08:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 01:08:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2023-11-29 01:08:57,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-29 01:08:57,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:08:57,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 16 letters. Loop has 2 letters. [2023-11-29 01:08:57,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:08:57,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 14 letters. Loop has 4 letters. [2023-11-29 01:08:57,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:08:57,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2023-11-29 01:08:57,907 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 01:08:57,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 28 states and 33 transitions. [2023-11-29 01:08:57,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-29 01:08:57,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-29 01:08:57,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2023-11-29 01:08:57,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:57,908 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-29 01:08:57,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2023-11-29 01:08:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-29 01:08:57,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2023-11-29 01:08:57,910 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-29 01:08:57,910 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-29 01:08:57,910 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 01:08:57,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2023-11-29 01:08:57,911 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 01:08:57,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:57,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:57,912 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:57,912 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:57,912 INFO L748 eck$LassoCheckResult]: Stem: 573#$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(10, 2); 564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 565#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 574#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 575#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 568#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 569#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 581#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 580#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 579#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 578#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 577#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 576#L34-3 assume !(main_~i~1#1 < 5); 557#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 558#L20-3 assume !(sum_~i~0#1 < 5); 566#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 567#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 562#L20-8 [2023-11-29 01:08:57,912 INFO L750 eck$LassoCheckResult]: Loop: 562#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 563#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 562#L20-8 [2023-11-29 01:08:57,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:57,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581027, now seen corresponding path program 1 times [2023-11-29 01:08:57,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:57,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356978441] [2023-11-29 01:08:57,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:57,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-29 01:08:57,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:57,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356978441] [2023-11-29 01:08:57,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356978441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:57,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:08:57,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:08:57,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566983903] [2023-11-29 01:08:57,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:57,979 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:08:57,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2023-11-29 01:08:57,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:57,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134706703] [2023-11-29 01:08:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:57,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:57,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:57,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:58,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:58,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:08:58,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:08:58,029 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 10 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) [2023-11-29 01:08:58,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:58,052 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2023-11-29 01:08:58,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2023-11-29 01:08:58,053 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 01:08:58,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 37 transitions. [2023-11-29 01:08:58,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-29 01:08:58,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-29 01:08:58,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2023-11-29 01:08:58,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:58,055 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 37 transitions. [2023-11-29 01:08:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2023-11-29 01:08:58,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2023-11-29 01:08:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-11-29 01:08:58,057 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-11-29 01:08:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:08:58,058 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-11-29 01:08:58,058 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 01:08:58,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2023-11-29 01:08:58,059 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 01:08:58,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:58,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:58,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:58,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:58,060 INFO L748 eck$LassoCheckResult]: Stem: 640#$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(10, 2); 631#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 632#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 635#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 636#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 642#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 649#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 648#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 647#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 646#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 645#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 644#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 643#L34-3 assume !(main_~i~1#1 < 5); 624#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 625#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 638#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 639#L20-3 assume !(sum_~i~0#1 < 5); 633#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 634#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 629#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 630#L20-7 [2023-11-29 01:08:58,060 INFO L750 eck$LassoCheckResult]: Loop: 630#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 641#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 630#L20-7 [2023-11-29 01:08:58,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:58,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1577614809, now seen corresponding path program 1 times [2023-11-29 01:08:58,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:58,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541810299] [2023-11-29 01:08:58,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-29 01:08:58,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:58,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541810299] [2023-11-29 01:08:58,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541810299] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:08:58,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255262463] [2023-11-29 01:08:58,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:58,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:58,128 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:58,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-11-29 01:08:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:58,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:08:58,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:58,213 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-29 01:08:58,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:08:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-29 01:08:58,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255262463] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:08:58,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:08:58,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-29 01:08:58,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171641297] [2023-11-29 01:08:58,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:08:58,228 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:08:58,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:58,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2023-11-29 01:08:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:58,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918293916] [2023-11-29 01:08:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:58,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:58,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:58,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:58,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:08:58,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:08:58,274 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2023-11-29 01:08:58,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:58,330 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2023-11-29 01:08:58,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 52 transitions. [2023-11-29 01:08:58,331 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 01:08:58,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 52 transitions. [2023-11-29 01:08:58,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-29 01:08:58,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-29 01:08:58,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 52 transitions. [2023-11-29 01:08:58,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:58,333 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 52 transitions. [2023-11-29 01:08:58,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 52 transitions. [2023-11-29 01:08:58,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2023-11-29 01:08:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 40 states have internal predecessors, (45), 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) [2023-11-29 01:08:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2023-11-29 01:08:58,336 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-11-29 01:08:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:08:58,337 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-11-29 01:08:58,337 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 01:08:58,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 45 transitions. [2023-11-29 01:08:58,337 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 01:08:58,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:58,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:58,338 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:58,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:58,339 INFO L748 eck$LassoCheckResult]: Stem: 842#$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(10, 2); 832#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 833#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 836#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 837#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 844#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 862#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 861#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 860#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 859#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 858#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 857#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 856#L34-3 assume !(main_~i~1#1 < 5); 825#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 826#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 839#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 840#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 841#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 855#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 854#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 852#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 849#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 848#L20-3 assume !(sum_~i~0#1 < 5); 834#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 835#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 830#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 831#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 843#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 853#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 851#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 850#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 847#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 846#L20-7 [2023-11-29 01:08:58,339 INFO L750 eck$LassoCheckResult]: Loop: 846#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 845#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 846#L20-7 [2023-11-29 01:08:58,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:58,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1218450663, now seen corresponding path program 1 times [2023-11-29 01:08:58,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:58,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545101023] [2023-11-29 01:08:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-29 01:08:58,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:58,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545101023] [2023-11-29 01:08:58,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545101023] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:08:58,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236027451] [2023-11-29 01:08:58,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:58,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:58,485 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:58,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-29 01:08:58,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-11-29 01:08:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:58,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:08:58,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-29 01:08:58,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:08:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-29 01:08:58,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236027451] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:08:58,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:08:58,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-29 01:08:58,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872390117] [2023-11-29 01:08:58,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:08:58,635 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:08:58,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:58,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2023-11-29 01:08:58,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:58,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799969017] [2023-11-29 01:08:58,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:58,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:58,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:58,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:58,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:08:58,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:08:58,682 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 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) [2023-11-29 01:08:58,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:58,752 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2023-11-29 01:08:58,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 58 transitions. [2023-11-29 01:08:58,753 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 01:08:58,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 58 transitions. [2023-11-29 01:08:58,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2023-11-29 01:08:58,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2023-11-29 01:08:58,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 58 transitions. [2023-11-29 01:08:58,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:58,755 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 58 transitions. [2023-11-29 01:08:58,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 58 transitions. [2023-11-29 01:08:58,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2023-11-29 01:08:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 44 states have internal predecessors, (49), 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) [2023-11-29 01:08:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2023-11-29 01:08:58,758 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 49 transitions. [2023-11-29 01:08:58,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:08:58,760 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 49 transitions. [2023-11-29 01:08:58,760 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 01:08:58,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 49 transitions. [2023-11-29 01:08:58,761 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 01:08:58,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:58,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:58,762 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:58,762 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:58,762 INFO L748 eck$LassoCheckResult]: Stem: 1134#$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(10, 2); 1124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1125#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1128#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1129#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1136#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1158#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1157#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1156#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1155#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1154#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1153#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1152#L34-3 assume !(main_~i~1#1 < 5); 1117#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1118#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1131#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1132#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1133#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1151#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1150#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1148#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1146#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1144#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1141#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1140#L20-3 assume !(sum_~i~0#1 < 5); 1126#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1127#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1122#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1123#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1135#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1149#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1147#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1145#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1143#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1142#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1139#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1138#L20-7 [2023-11-29 01:08:58,763 INFO L750 eck$LassoCheckResult]: Loop: 1138#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1137#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1138#L20-7 [2023-11-29 01:08:58,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:58,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2144167641, now seen corresponding path program 2 times [2023-11-29 01:08:58,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:58,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294516405] [2023-11-29 01:08:58,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:58,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:58,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:58,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:58,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2023-11-29 01:08:58,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:58,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894882371] [2023-11-29 01:08:58,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:58,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:58,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:58,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:58,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1039200421, now seen corresponding path program 3 times [2023-11-29 01:08:58,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:58,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125498466] [2023-11-29 01:08:58,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-29 01:08:58,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:58,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125498466] [2023-11-29 01:08:58,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125498466] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:08:58,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711259682] [2023-11-29 01:08:58,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:08:58,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:58,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:58,972 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:58,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-11-29 01:08:59,092 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-29 01:08:59,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:08:59,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:08:59,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-29 01:08:59,121 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:08:59,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711259682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:59,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:08:59,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2023-11-29 01:08:59,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130207377] [2023-11-29 01:08:59,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:59,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:59,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:08:59,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:08:59,163 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. cyclomatic complexity: 9 Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 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) [2023-11-29 01:08:59,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:59,260 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2023-11-29 01:08:59,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 55 transitions. [2023-11-29 01:08:59,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 01:08:59,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 43 transitions. [2023-11-29 01:08:59,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2023-11-29 01:08:59,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-29 01:08:59,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 43 transitions. [2023-11-29 01:08:59,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:08:59,262 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2023-11-29 01:08:59,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 43 transitions. [2023-11-29 01:08:59,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-29 01:08:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 41 states have internal predecessors, (43), 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) [2023-11-29 01:08:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2023-11-29 01:08:59,265 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2023-11-29 01:08:59,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:08:59,266 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 43 transitions. [2023-11-29 01:08:59,266 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-29 01:08:59,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 43 transitions. [2023-11-29 01:08:59,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 01:08:59,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:08:59,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:08:59,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:59,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:08:59,269 INFO L748 eck$LassoCheckResult]: Stem: 1355#$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(10, 2); 1346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1347#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1350#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1351#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1357#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1373#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1371#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1369#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1368#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1367#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1365#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1364#L34-3 assume !(main_~i~1#1 < 5); 1341#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1342#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1353#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1354#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1379#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1378#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1377#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1376#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1375#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1374#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1372#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1370#L20-3 assume !(sum_~i~0#1 < 5); 1348#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1349#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1352#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1356#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1344#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1345#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1366#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1363#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1362#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1361#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1360#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1359#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1358#L20-8 assume !(sum_~i~0#1 < 5); 1340#L20-9 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1338#sum_returnLabel#2 main_#t~ret8#1 := sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 1339#L43-3 [2023-11-29 01:08:59,269 INFO L750 eck$LassoCheckResult]: Loop: 1339#L43-3 assume !!(main_~i~2#1 < 4);call main_#t~mem11#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1; 1343#L43-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1339#L43-3 [2023-11-29 01:08:59,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2055775835, now seen corresponding path program 1 times [2023-11-29 01:08:59,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:59,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348831080] [2023-11-29 01:08:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:59,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:59,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:59,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:59,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:59,370 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2023-11-29 01:08:59,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:59,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822240262] [2023-11-29 01:08:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:59,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:59,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:59,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:08:59,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:59,378 INFO L85 PathProgramCache]: Analyzing trace with hash 84380519, now seen corresponding path program 1 times [2023-11-29 01:08:59,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:59,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466739396] [2023-11-29 01:08:59,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:59,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:59,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:08:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:08:59,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:09:04,396 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:09:04,396 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:09:04,396 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:09:04,396 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:09:04,396 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:09:04,396 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:04,396 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:09:04,396 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:09:04,396 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration10_Lasso [2023-11-29 01:09:04,396 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:09:04,396 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:09:04,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:04,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:33,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:33,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:33,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:33,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:33,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:33,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:09:33,690 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:09:33,690 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:09:33,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,694 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 01:09:33,695 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 [2023-11-29 01:09:33,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-29 01:09:33,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,713 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 01:09:33,716 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 [2023-11-29 01:09:33,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:33,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,731 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 01:09:33,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:09:33,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-29 01:09:33,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,749 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-29 01:09:33,752 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 [2023-11-29 01:09:33,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-29 01:09:33,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,767 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-29 01:09:33,770 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 [2023-11-29 01:09:33,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:33,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,786 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-29 01:09:33,789 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 [2023-11-29 01:09:33,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-29 01:09:33,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,806 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-29 01:09:33,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:09:33,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-29 01:09:33,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,827 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-29 01:09:33,829 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 [2023-11-29 01:09:33,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-29 01:09:33,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,848 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-29 01:09:33,850 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 [2023-11-29 01:09:33,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-29 01:09:33,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,866 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-29 01:09:33,870 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 [2023-11-29 01:09:33,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-29 01:09:33,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,887 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-29 01:09:33,889 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 [2023-11-29 01:09:33,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:33,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,908 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-29 01:09:33,910 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 [2023-11-29 01:09:33,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-29 01:09:33,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,925 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-29 01:09:33,927 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 [2023-11-29 01:09:33,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-29 01:09:33,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,942 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-29 01:09:33,944 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 [2023-11-29 01:09:33,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:33,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:33,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:33,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:33,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,960 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-29 01:09:33,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:09:33,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:33,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:33,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:33,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:33,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-29 01:09:33,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:33,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:33,987 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:33,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-29 01:09:33,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:09:33,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:33,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:33,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:33,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:34,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:34,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,007 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-29 01:09:34,009 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 [2023-11-29 01:09:34,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:09:34,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:34,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:09:34,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:09:34,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-29 01:09:34,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,024 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-29 01:09:34,026 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 [2023-11-29 01:09:34,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,037 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-29 01:09:34,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,043 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 01:09:34,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-29 01:09:34,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,061 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-29 01:09:34,063 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 [2023-11-29 01:09:34,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:34,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:34,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-29 01:09:34,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,081 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-29 01:09:34,083 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 [2023-11-29 01:09:34,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:34,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:34,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:34,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,103 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-29 01:09:34,105 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 [2023-11-29 01:09:34,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:34,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:34,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-29 01:09:34,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,126 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-29 01:09:34,128 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 [2023-11-29 01:09:34,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:34,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,139 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:34,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:34,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,147 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-29 01:09:34,150 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 [2023-11-29 01:09:34,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,160 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-29 01:09:34,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,162 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 01:09:34,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-29 01:09:34,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,171 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-29 01:09:34,174 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 [2023-11-29 01:09:34,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:34,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:34,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:34,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,192 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-29 01:09:34,194 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 [2023-11-29 01:09:34,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:34,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:34,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:09:34,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:34,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,214 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-29 01:09:34,216 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 [2023-11-29 01:09:34,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:09:34,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:09:34,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:09:34,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:09:34,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:09:34,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:09:34,237 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:09:34,260 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-29 01:09:34,260 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-29 01:09:34,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:09:34,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:34,261 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:34,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-29 01:09:34,263 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:09:34,274 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:09:34,274 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:09:34,274 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_3, ULTIMATE.start_main_~i~2#1) = 7*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_3 - 16*ULTIMATE.start_main_~i~2#1 Supporting invariants [] [2023-11-29 01:09:34,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-29 01:09:34,289 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-29 01:09:34,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated [2023-11-29 01:09:34,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:34,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:09:34,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:34,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:34,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:34,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:09:34,412 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 [2023-11-29 01:09:34,413 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 43 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:09:34,427 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 43 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 46 transitions. Complement of second has 4 states. [2023-11-29 01:09:34,427 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 [2023-11-29 01:09:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:09:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2023-11-29 01:09:34,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 40 letters. Loop has 2 letters. [2023-11-29 01:09:34,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:09:34,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 42 letters. Loop has 2 letters. [2023-11-29 01:09:34,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:09:34,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 40 letters. Loop has 4 letters. [2023-11-29 01:09:34,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:09:34,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 46 transitions. [2023-11-29 01:09:34,431 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:09:34,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2023-11-29 01:09:34,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 01:09:34,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 01:09:34,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 01:09:34,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:09:34,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:09:34,431 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:09:34,431 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:09:34,431 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-29 01:09:34,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:09:34,431 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:09:34,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 01:09:34,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 01:09:34 BoogieIcfgContainer [2023-11-29 01:09:34,438 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 01:09:34,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:09:34,439 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:09:34,439 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:09:34,439 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:08:53" (3/4) ... [2023-11-29 01:09:34,441 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:09:34,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:09:34,443 INFO L158 Benchmark]: Toolchain (without parser) took 41906.73ms. Allocated memory was 176.2MB in the beginning and 553.6MB in the end (delta: 377.5MB). Free memory was 140.9MB in the beginning and 442.1MB in the end (delta: -301.2MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2023-11-29 01:09:34,443 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:09:34,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.92ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 129.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 01:09:34,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.50ms. Allocated memory is still 176.2MB. Free memory was 129.6MB in the beginning and 128.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:09:34,444 INFO L158 Benchmark]: Boogie Preprocessor took 55.80ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 146.2MB in the end (delta: -17.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:09:34,444 INFO L158 Benchmark]: RCFGBuilder took 328.33ms. Allocated memory is still 176.2MB. Free memory was 146.2MB in the beginning and 132.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:09:34,444 INFO L158 Benchmark]: BuchiAutomizer took 41250.76ms. Allocated memory was 176.2MB in the beginning and 553.6MB in the end (delta: 377.5MB). Free memory was 132.3MB in the beginning and 442.1MB in the end (delta: -309.7MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2023-11-29 01:09:34,445 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 553.6MB. Free memory is still 442.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:09:34,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.92ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 129.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.50ms. Allocated memory is still 176.2MB. Free memory was 129.6MB in the beginning and 128.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.80ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 146.2MB in the end (delta: -17.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.33ms. Allocated memory is still 176.2MB. Free memory was 146.2MB in the beginning and 132.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 41250.76ms. Allocated memory was 176.2MB in the beginning and 553.6MB in the end (delta: 377.5MB). Free memory was 132.3MB in the beginning and 442.1MB in the end (delta: -309.7MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 553.6MB. Free memory is still 442.1MB. 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[~#x~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#x~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 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.2s and 11 iterations. TraceHistogramMax:5. Analysis of lassos took 40.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 373 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 226 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 271 IncrementalHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 147 mSDtfsCounter, 271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital304 mio100 ax100 hnf100 lsp141 ukn50 mio100 lsp43 div100 bol100 ite100 ukn100 eq160 hnf93 smp88 dnf167 smp83 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 11 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2023-11-29 01:09:34,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-29 01:09:34,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:34,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2023-11-29 01:09:35,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2023-11-29 01:09:35,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 01:09:35,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-11-29 01:09:35,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998529db-6714-428a-8f67-9e1bddb61b01/bin/uautomizer-verify-BQ2R08f2Ya/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