./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:53:54,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:53:54,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 11:53:54,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:53:54,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:53:54,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:53:54,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:53:54,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:53:54,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:53:54,353 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:53:54,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:53:54,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:53:54,356 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:53:54,358 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:53:54,359 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:53:54,359 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:53:54,360 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:53:54,360 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:53:54,360 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:53:54,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:53:54,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:53:54,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:53:54,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:53:54,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:53:54,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:53:54,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:53:54,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:53:54,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:53:54,365 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:53:54,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:53:54,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:53:54,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:53:54,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:53:54,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:53:54,369 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:53:54,369 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_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f [2023-11-26 11:53:54,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:53:54,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:53:54,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:53:54,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:53:54,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:53:54,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2023-11-26 11:53:57,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:53:58,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:53:58,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2023-11-26 11:53:58,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/data/14d8e785f/5d26565b2b4d455cad91b455c6f8c699/FLAGf81d4d1ff [2023-11-26 11:53:58,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/data/14d8e785f/5d26565b2b4d455cad91b455c6f8c699 [2023-11-26 11:53:58,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:53:58,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:53:58,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:58,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:53:58,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:53:58,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c283a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58, skipping insertion in model container [2023-11-26 11:53:58,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:53:58,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:58,544 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:53:58,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:58,657 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:53:58,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58 WrapperNode [2023-11-26 11:53:58,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:58,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:58,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:53:58,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:53:58,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,716 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 122 [2023-11-26 11:53:58,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:58,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:53:58,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:53:58,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:53:58,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,749 INFO L175 MemorySlicer]: Split 20 memory accesses to 4 slices as follows [2, 9, 7, 2]. 45 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 6 writes are split as follows [1, 2, 2, 1]. [2023-11-26 11:53:58,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:53:58,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:53:58,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:53:58,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:53:58,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (1/1) ... [2023-11-26 11:53:58,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:58,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:58,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:58,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:53:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:53:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:53:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:53:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:53:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:53:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:53:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:53:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:53:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:53:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:53:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:53:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:53:58,982 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:53:58,984 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:53:59,257 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:53:59,266 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:53:59,266 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:53:59,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:59 BoogieIcfgContainer [2023-11-26 11:53:59,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:53:59,269 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:53:59,269 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:53:59,273 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:53:59,274 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:53:59,274 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:53:58" (1/3) ... [2023-11-26 11:53:59,275 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@706d273f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:53:59, skipping insertion in model container [2023-11-26 11:53:59,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:53:59,275 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:58" (2/3) ... [2023-11-26 11:53:59,277 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@706d273f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:53:59, skipping insertion in model container [2023-11-26 11:53:59,277 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:53:59,277 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:59" (3/3) ... [2023-11-26 11:53:59,278 INFO L332 chiAutomizerObserver]: Analyzing ICFG a.06-alloca.i [2023-11-26 11:53:59,364 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:53:59,364 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:53:59,364 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:53:59,364 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:53:59,364 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:53:59,365 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:53:59,365 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:53:59,365 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:53:59,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 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) [2023-11-26 11:53:59,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-26 11:53:59,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:59,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:59,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:53:59,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:59,400 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:53:59,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 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) [2023-11-26 11:53:59,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-26 11:53:59,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:59,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:59,403 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:53:59,403 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:59,409 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#3(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 19#L557-20true [2023-11-26 11:53:59,410 INFO L750 eck$LassoCheckResult]: Loop: 19#L557-20true call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 17#L557-1true assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 16#L557-3true test_fun_#t~short14#1 := test_fun_#t~short9#1; 7#L557-4true assume test_fun_#t~short14#1; 15#L557-9true test_fun_#t~short18#1 := test_fun_#t~short14#1; 14#L557-10true assume !test_fun_#t~short18#1; 12#L557-12true test_fun_#t~short20#1 := test_fun_#t~short18#1; 18#L557-13true assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 9#L557-15true test_fun_#t~short22#1 := test_fun_#t~short20#1; 4#L557-16true assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 20#L557-18true assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 19#L557-20true [2023-11-26 11:53:59,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 11:53:59,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:59,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550578574] [2023-11-26 11:53:59,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:59,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:59,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:59,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:59,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1442805661, now seen corresponding path program 1 times [2023-11-26 11:53:59,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:59,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787827192] [2023-11-26 11:53:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:59,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:59,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:59,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787827192] [2023-11-26 11:53:59,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787827192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:59,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:59,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:53:59,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597547151] [2023-11-26 11:53:59,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:59,878 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:53:59,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:59,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:53:59,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:53:59,914 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 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) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:59,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:59,971 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2023-11-26 11:53:59,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2023-11-26 11:53:59,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2023-11-26 11:53:59,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 30 transitions. [2023-11-26 11:53:59,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2023-11-26 11:53:59,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2023-11-26 11:53:59,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2023-11-26 11:53:59,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:59,981 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2023-11-26 11:53:59,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2023-11-26 11:54:00,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2023-11-26 11:54:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 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) [2023-11-26 11:54:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2023-11-26 11:54:00,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-26 11:54:00,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:00,015 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-26 11:54:00,016 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:54:00,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2023-11-26 11:54:00,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-26 11:54:00,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:00,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:00,018 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:54:00,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:00,018 INFO L748 eck$LassoCheckResult]: Stem: 72#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 63#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#3(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 64#L557-20 [2023-11-26 11:54:00,018 INFO L750 eck$LassoCheckResult]: Loop: 64#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 75#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 74#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 65#L557-4 assume test_fun_#t~short14#1; 66#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 71#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 69#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 70#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 68#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 61#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 62#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 64#L557-20 [2023-11-26 11:54:00,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:00,020 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-26 11:54:00,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:00,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648993785] [2023-11-26 11:54:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:00,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:00,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:00,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:00,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:00,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1500063963, now seen corresponding path program 1 times [2023-11-26 11:54:00,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:00,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051090086] [2023-11-26 11:54:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:00,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:00,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:00,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:00,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:00,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1876539869, now seen corresponding path program 1 times [2023-11-26 11:54:00,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:00,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451283856] [2023-11-26 11:54:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:00,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:00,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:00,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:02,238 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:54:02,238 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:54:02,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:54:02,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:54:02,241 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:54:02,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:02,241 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:54:02,241 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:54:02,241 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration2_Lasso [2023-11-26 11:54:02,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:54:02,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:54:02,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:02,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:03,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:04,176 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:54:04,181 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:54:04,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:54:04,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:54:04,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:54:04,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,341 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:54:04,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:54:04,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,466 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:54:04,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:54:04,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:04,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:04,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:54:04,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:04,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:04,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,626 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:54:04,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,666 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,669 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 [2023-11-26 11:54:04,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:54:04,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,697 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:54:04,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-26 11:54:04,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:54:04,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,749 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:54:04,752 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 [2023-11-26 11:54:04,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,782 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:54:04,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:04,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:04,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,838 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:54:04,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:04,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:04,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,872 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:54:04,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:04,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:04,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,921 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:54:04,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:04,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:04,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,970 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:54:04,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:04,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:04,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:04,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:04,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-26 11:54:04,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,997 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:05,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:54:05,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:05,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:05,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:05,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:05,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:05,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:05,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:05,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:05,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-26 11:54:05,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:05,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:05,025 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:05,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:54:05,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:05,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:05,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:05,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:05,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:05,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:05,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:05,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:05,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:05,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:05,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:05,064 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:05,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:54:05,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:05,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:05,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:05,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:05,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:05,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:05,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:05,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:05,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:05,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:05,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:05,111 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:05,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:05,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:05,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:05,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:05,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:05,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:05,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:05,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:54:05,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:05,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:05,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:05,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:05,173 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:05,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:54:05,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:05,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:05,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:05,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:05,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:05,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:05,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:05,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:05,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:05,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:05,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:05,213 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:05,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:05,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:54:05,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:05,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:05,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:05,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:05,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:05,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:05,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:05,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:05,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:05,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:05,270 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:05,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 11:54:05,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:05,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:05,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:05,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:05,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:05,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:05,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:05,324 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:54:05,360 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 11:54:05,360 INFO L444 ModelExtractionUtils]: 34 out of 43 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-26 11:54:05,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:05,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:05,392 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:05,400 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:54:05,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:54:05,426 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:54:05,426 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:54:05,427 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~z_ref~0#1.base) 0)_1) = -2*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~z_ref~0#1.base) 0)_1 + 4294967293 Supporting invariants [] [2023-11-26 11:54:05,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:05,651 INFO L156 tatePredicateManager]: 35 out of 36 supporting invariants were superfluous and have been removed [2023-11-26 11:54:05,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~z_ref~0!base][0] could not be translated [2023-11-26 11:54:05,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:05,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:54:05,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:05,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:05,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-26 11:54:05,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:05,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 11:54:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:06,122 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-26 11:54:06,123 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 63 transitions. Complement of second has 12 states. [2023-11-26 11:54:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-26 11:54:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 31 transitions. [2023-11-26 11:54:06,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 31 transitions. Stem has 2 letters. Loop has 11 letters. [2023-11-26 11:54:06,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:06,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 31 transitions. Stem has 13 letters. Loop has 11 letters. [2023-11-26 11:54:06,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:06,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 31 transitions. Stem has 2 letters. Loop has 22 letters. [2023-11-26 11:54:06,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:06,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 63 transitions. [2023-11-26 11:54:06,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-26 11:54:06,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 38 states and 54 transitions. [2023-11-26 11:54:06,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-26 11:54:06,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 11:54:06,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 54 transitions. [2023-11-26 11:54:06,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:06,429 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 54 transitions. [2023-11-26 11:54:06,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 54 transitions. [2023-11-26 11:54:06,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2023-11-26 11:54:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 36 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2023-11-26 11:54:06,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 52 transitions. [2023-11-26 11:54:06,434 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 52 transitions. [2023-11-26 11:54:06,434 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:54:06,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 52 transitions. [2023-11-26 11:54:06,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-26 11:54:06,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:06,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:06,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 11:54:06,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:06,437 INFO L748 eck$LassoCheckResult]: Stem: 369#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#3(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 355#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 372#L557-1 [2023-11-26 11:54:06,437 INFO L750 eck$LassoCheckResult]: Loop: 372#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 370#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 356#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 357#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 346#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 347#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 367#L557-10 assume !test_fun_#t~short18#1; 363#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 364#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 361#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 350#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 351#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 374#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 372#L557-1 [2023-11-26 11:54:06,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:06,437 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-26 11:54:06,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:06,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854601443] [2023-11-26 11:54:06,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:06,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:06,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:06,515 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:06,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:06,518 INFO L85 PathProgramCache]: Analyzing trace with hash 623036047, now seen corresponding path program 1 times [2023-11-26 11:54:06,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:06,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747289631] [2023-11-26 11:54:06,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:06,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:06,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:06,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747289631] [2023-11-26 11:54:06,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747289631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:06,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:06,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:06,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254064798] [2023-11-26 11:54:06,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:06,575 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:54:06,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:06,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:06,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:06,576 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2023-11-26 11:54:06,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:06,619 INFO L93 Difference]: Finished difference Result 56 states and 76 transitions. [2023-11-26 11:54:06,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 76 transitions. [2023-11-26 11:54:06,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2023-11-26 11:54:06,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 56 states and 76 transitions. [2023-11-26 11:54:06,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2023-11-26 11:54:06,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-26 11:54:06,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 76 transitions. [2023-11-26 11:54:06,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:06,623 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 76 transitions. [2023-11-26 11:54:06,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 76 transitions. [2023-11-26 11:54:06,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 41. [2023-11-26 11:54:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 40 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2023-11-26 11:54:06,628 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 56 transitions. [2023-11-26 11:54:06,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:54:06,629 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 56 transitions. [2023-11-26 11:54:06,629 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:54:06,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 56 transitions. [2023-11-26 11:54:06,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-26 11:54:06,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:06,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:06,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 11:54:06,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:06,631 INFO L748 eck$LassoCheckResult]: Stem: 469#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 456#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#3(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 457#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 477#L557-1 [2023-11-26 11:54:06,631 INFO L750 eck$LassoCheckResult]: Loop: 477#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 475#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 458#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 459#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 448#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 449#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 470#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 465#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 466#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 463#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 452#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 453#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 481#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 477#L557-1 [2023-11-26 11:54:06,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:06,632 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2023-11-26 11:54:06,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:06,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610108266] [2023-11-26 11:54:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:06,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:06,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:06,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:06,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:06,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1151971315, now seen corresponding path program 1 times [2023-11-26 11:54:06,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:06,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468586705] [2023-11-26 11:54:06,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:06,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:06,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:06,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468586705] [2023-11-26 11:54:06,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468586705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:06,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:06,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:54:06,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494543542] [2023-11-26 11:54:06,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:06,911 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:54:06,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:06,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:54:06,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:54:06,912 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. cyclomatic complexity: 17 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:07,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:07,186 INFO L93 Difference]: Finished difference Result 122 states and 150 transitions. [2023-11-26 11:54:07,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 150 transitions. [2023-11-26 11:54:07,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 38 [2023-11-26 11:54:07,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 94 states and 116 transitions. [2023-11-26 11:54:07,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2023-11-26 11:54:07,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2023-11-26 11:54:07,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 116 transitions. [2023-11-26 11:54:07,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:07,191 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 116 transitions. [2023-11-26 11:54:07,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 116 transitions. [2023-11-26 11:54:07,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 47. [2023-11-26 11:54:07,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 46 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2023-11-26 11:54:07,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-26 11:54:07,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-26 11:54:07,197 INFO L428 stractBuchiCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-26 11:54:07,197 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:54:07,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 60 transitions. [2023-11-26 11:54:07,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2023-11-26 11:54:07,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:07,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:07,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 11:54:07,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:07,200 INFO L748 eck$LassoCheckResult]: Stem: 668#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 649#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#3(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 650#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 672#L557-1 [2023-11-26 11:54:07,200 INFO L750 eck$LassoCheckResult]: Loop: 672#L557-1 assume !test_fun_#t~short9#1; 673#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 651#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 652#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 641#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 642#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 664#L557-10 assume !test_fun_#t~short18#1; 660#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 661#L557-13 assume !test_fun_#t~short20#1; 656#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 645#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 646#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 676#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 672#L557-1 [2023-11-26 11:54:07,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:07,200 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2023-11-26 11:54:07,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:07,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429110473] [2023-11-26 11:54:07,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:07,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:07,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:07,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:07,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:07,265 INFO L85 PathProgramCache]: Analyzing trace with hash 38077075, now seen corresponding path program 1 times [2023-11-26 11:54:07,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:07,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608055604] [2023-11-26 11:54:07,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:07,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:07,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:07,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608055604] [2023-11-26 11:54:07,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608055604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:07,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:07,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:07,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988102826] [2023-11-26 11:54:07,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:07,340 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:54:07,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:07,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:07,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:07,342 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2023-11-26 11:54:07,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:07,362 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2023-11-26 11:54:07,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 63 transitions. [2023-11-26 11:54:07,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2023-11-26 11:54:07,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 43 states and 51 transitions. [2023-11-26 11:54:07,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-26 11:54:07,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-26 11:54:07,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 51 transitions. [2023-11-26 11:54:07,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:07,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 51 transitions. [2023-11-26 11:54:07,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 51 transitions. [2023-11-26 11:54:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-26 11:54:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 42 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2023-11-26 11:54:07,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 51 transitions. [2023-11-26 11:54:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:07,370 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 51 transitions. [2023-11-26 11:54:07,370 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:54:07,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 51 transitions. [2023-11-26 11:54:07,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2023-11-26 11:54:07,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:07,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:07,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 11:54:07,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:07,374 INFO L748 eck$LassoCheckResult]: Stem: 774#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 758#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#3(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 759#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 777#L557-1 [2023-11-26 11:54:07,375 INFO L750 eck$LassoCheckResult]: Loop: 777#L557-1 assume !test_fun_#t~short9#1; 775#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 760#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 761#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 750#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 751#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 772#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 768#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 769#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 765#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 754#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 755#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int#2(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 781#L557-20 call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 777#L557-1 [2023-11-26 11:54:07,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:07,376 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 4 times [2023-11-26 11:54:07,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:07,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021687007] [2023-11-26 11:54:07,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:07,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:07,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:07,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:07,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:07,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1738777329, now seen corresponding path program 1 times [2023-11-26 11:54:07,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:07,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177117524] [2023-11-26 11:54:07,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:07,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:07,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:07,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:07,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:07,464 INFO L85 PathProgramCache]: Analyzing trace with hash -403715764, now seen corresponding path program 1 times [2023-11-26 11:54:07,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:07,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031428859] [2023-11-26 11:54:07,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:07,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:07,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:07,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:09,845 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:54:09,845 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:54:09,846 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:54:09,846 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:54:09,846 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:54:09,846 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:09,846 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:54:09,846 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:54:09,846 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration6_Lasso [2023-11-26 11:54:09,846 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:54:09,846 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:54:09,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:09,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:09,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:09,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:09,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:09,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:11,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:12,549 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:54:12,550 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:54:12,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:12,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:12,555 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:12,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:12,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:54:12,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:12,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:12,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:12,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:12,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:12,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:12,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:12,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:12,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-26 11:54:12,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:12,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:12,593 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:12,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:54:12,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:12,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:12,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:12,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:12,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:12,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:12,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:12,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:12,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:12,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-26 11:54:12,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:12,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:12,613 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:12,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:54:12,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:12,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:12,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:12,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:12,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:12,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:12,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:12,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:12,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:12,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-26 11:54:12,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:12,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:12,635 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:12,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:54:12,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:12,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:12,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:12,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:12,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:12,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:12,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:12,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:12,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:12,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:12,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:12,694 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:12,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:12,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 11:54:12,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:12,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:12,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:12,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:12,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:12,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:12,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:12,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:12,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:12,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:12,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:12,739 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:12,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:12,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:12,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:12,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:12,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:12,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 11:54:12,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:54:12,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:54:12,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:54:12,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:12,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:12,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:12,789 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:12,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:54:12,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 11:54:12,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:12,810 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 11:54:12,810 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 11:54:12,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:12,860 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2023-11-26 11:54:12,860 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:54:12,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:54:13,229 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2023-11-26 11:54:13,229 INFO L444 ModelExtractionUtils]: 55 out of 91 variables were initially zero. Simplification set additionally 33 variables to zero. [2023-11-26 11:54:13,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:13,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:13,233 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:13,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 11:54:13,235 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:54:13,247 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2023-11-26 11:54:13,247 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:54:13,247 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~z_ref~0#1.base) 0)_2) = -2*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~z_ref~0#1.base) 0)_2 + 4294967293 Supporting invariants [] [2023-11-26 11:54:13,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:13,470 INFO L156 tatePredicateManager]: 37 out of 38 supporting invariants were superfluous and have been removed [2023-11-26 11:54:13,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~z_ref~0!base][0] could not be translated [2023-11-26 11:54:13,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:13,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:54:13,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:13,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:54:13,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:13,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-26 11:54:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:13,736 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-26 11:54:13,737 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 51 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-26 11:54:13,824 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 51 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 86 states and 109 transitions. Complement of second has 7 states. [2023-11-26 11:54:13,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:54:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2023-11-26 11:54:13,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 3 letters. Loop has 13 letters. [2023-11-26 11:54:13,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:13,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 16 letters. Loop has 13 letters. [2023-11-26 11:54:13,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:13,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 3 letters. Loop has 26 letters. [2023-11-26 11:54:13,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:13,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 109 transitions. [2023-11-26 11:54:13,832 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:54:13,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 0 states and 0 transitions. [2023-11-26 11:54:13,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:54:13,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:54:13,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:54:13,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:13,833 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:54:13,833 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:54:13,833 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:54:13,833 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:54:13,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:54:13,834 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:54:13,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:54:13,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:54:13 BoogieIcfgContainer [2023-11-26 11:54:13,842 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:54:13,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:54:13,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:54:13,843 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:54:13,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:59" (3/4) ... [2023-11-26 11:54:13,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:54:13,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:54:13,847 INFO L158 Benchmark]: Toolchain (without parser) took 15660.54ms. Allocated memory was 132.1MB in the beginning and 255.9MB in the end (delta: 123.7MB). Free memory was 90.5MB in the beginning and 214.7MB in the end (delta: -124.3MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2023-11-26 11:54:13,848 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:13,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.38ms. Allocated memory is still 132.1MB. Free memory was 90.0MB in the beginning and 73.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:54:13,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.49ms. Allocated memory is still 132.1MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:13,849 INFO L158 Benchmark]: Boogie Preprocessor took 50.15ms. Allocated memory is still 132.1MB. Free memory was 71.6MB in the beginning and 69.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:13,849 INFO L158 Benchmark]: RCFGBuilder took 500.08ms. Allocated memory is still 132.1MB. Free memory was 69.5MB in the beginning and 54.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:54:13,849 INFO L158 Benchmark]: BuchiAutomizer took 14572.38ms. Allocated memory was 132.1MB in the beginning and 255.9MB in the end (delta: 123.7MB). Free memory was 54.3MB in the beginning and 214.7MB in the end (delta: -160.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:13,850 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 255.9MB. Free memory is still 214.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:13,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.38ms. Allocated memory is still 132.1MB. Free memory was 90.0MB in the beginning and 73.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.49ms. Allocated memory is still 132.1MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.15ms. Allocated memory is still 132.1MB. Free memory was 71.6MB in the beginning and 69.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.08ms. Allocated memory is still 132.1MB. Free memory was 69.5MB in the beginning and 54.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 14572.38ms. Allocated memory was 132.1MB in the beginning and 255.9MB in the end (delta: 123.7MB). Free memory was 54.3MB in the beginning and 214.7MB in the end (delta: -160.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 255.9MB. Free memory is still 214.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~z_ref~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~z_ref~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 7 locations. One deterministic module has affine ranking function null and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.5s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 12.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 214 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 302 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 112 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital357 mio100 ax105 hnf100 lsp95 ukn73 mio100 lsp34 div100 bol102 ite100 ukn100 eq181 hnf89 smp100 dnf232 smp74 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 459ms VariablesStem: 17 VariablesLoop: 13 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:54:13,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55f5960-8848-4e1d-9db5-cb739772271f/bin/uautomizer-verify-VRDe98Ueme/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