./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/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_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:46:35,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:46:35,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:46:35,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:46:35,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:46:35,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:46:35,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:46:35,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:46:35,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:46:35,728 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:46:35,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:46:35,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:46:35,731 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:46:35,731 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:46:35,732 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:46:35,734 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:46:35,735 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:46:35,736 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:46:35,737 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:46:35,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:46:35,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:46:35,741 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:46:35,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:46:35,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:46:35,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:46:35,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:46:35,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:46:35,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:46:35,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:46:35,752 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:46:35,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:46:35,753 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:46:35,753 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:46:35,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:46:35,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:46:35,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:46:35,755 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:46:35,756 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:46:35,757 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_7d8d07a8-d414-4040-b176-77a0fdb8b15b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c [2023-11-26 11:46:36,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:46:36,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:46:36,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:46:36,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:46:36,133 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:46:36,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2023-11-26 11:46:39,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:46:39,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:46:39,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2023-11-26 11:46:39,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/data/01191a0e0/bca3982b579144cebfa9144e91dc13ad/FLAGb63eb8c78 [2023-11-26 11:46:39,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/data/01191a0e0/bca3982b579144cebfa9144e91dc13ad [2023-11-26 11:46:39,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:46:39,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:46:39,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:39,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:46:39,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:46:39,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b646a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39, skipping insertion in model container [2023-11-26 11:46:39,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:46:39,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:39,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:46:39,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:39,797 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:46:39,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39 WrapperNode [2023-11-26 11:46:39,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:39,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:39,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:46:39,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:46:39,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,835 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-26 11:46:39,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:39,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:46:39,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:46:39,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:46:39,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,878 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2023-11-26 11:46:39,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:46:39,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:46:39,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:46:39,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:46:39,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (1/1) ... [2023-11-26 11:46:39,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:39,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:39,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:39,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:46:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:46:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:46:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:46:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:46:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:46:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:46:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:46:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:46:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:46:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:46:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:46:40,080 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:46:40,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:46:40,235 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:46:40,247 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:46:40,248 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:46:40,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:40 BoogieIcfgContainer [2023-11-26 11:46:40,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:46:40,251 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:46:40,251 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:46:40,255 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:46:40,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:46:40,256 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:46:39" (1/3) ... [2023-11-26 11:46:40,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30287eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:46:40, skipping insertion in model container [2023-11-26 11:46:40,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:46:40,258 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:39" (2/3) ... [2023-11-26 11:46:40,259 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30287eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:46:40, skipping insertion in model container [2023-11-26 11:46:40,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:46:40,259 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:40" (3/3) ... [2023-11-26 11:46:40,260 INFO L332 chiAutomizerObserver]: Analyzing ICFG verisec_sendmail_tTflag_arr_one_loop.c [2023-11-26 11:46:40,318 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:46:40,318 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:46:40,318 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:46:40,318 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:46:40,319 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:46:40,319 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:46:40,319 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:46:40,319 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:46:40,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:40,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-11-26 11:46:40,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:40,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:40,350 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:46:40,350 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:46:40,351 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:46:40,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:40,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-11-26 11:46:40,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:40,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:40,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:46:40,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:46:40,366 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 3#L21-3true [2023-11-26 11:46:40,367 INFO L750 eck$LassoCheckResult]: Loop: 3#L21-3true assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 12#L21-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3#L21-3true [2023-11-26 11:46:40,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:40,378 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 11:46:40,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:40,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078963839] [2023-11-26 11:46:40,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:40,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:40,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:40,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:40,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:40,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-26 11:46:40,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:40,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606090387] [2023-11-26 11:46:40,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:40,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:40,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:40,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:40,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:40,625 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-26 11:46:40,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:40,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532501132] [2023-11-26 11:46:40,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:40,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:40,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:40,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:41,164 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:46:41,164 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:46:41,165 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:46:41,165 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:46:41,165 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:46:41,165 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:41,166 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:46:41,166 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:46:41,166 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration1_Lasso [2023-11-26 11:46:41,166 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:46:41,167 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:46:41,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:46:41,197 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 11:46:41,200 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 11:46:41,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:46:41,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:46:41,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:46:41,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:46:41,232 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 11:46:41,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:46:41,239 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 11:46:41,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:46:41,476 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 11:46:41,479 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 11:46:41,748 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:46:41,753 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:46:41,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:41,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:41,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:41,769 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 11:46:41,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:41,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:41,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:41,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:41,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:41,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:46:41,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:41,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:41,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:41,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-26 11:46:41,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:41,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:41,805 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:41,818 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 11:46:41,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:41,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:41,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:41,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:41,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:41,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:41,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:41,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:46:41,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:41,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:41,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:41,858 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:41,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:46:41,867 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 11:46:41,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:41,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:41,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:41,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:41,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:41,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:41,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:41,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:41,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:41,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:41,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:41,917 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:41,929 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 11:46:41,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:46:41,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:41,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:41,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:41,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:41,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:41,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:41,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:41,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:41,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:41,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:41,969 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:41,977 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 11:46:41,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:46:41,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:41,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:41,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:41,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:41,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:41,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,024 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,046 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 11:46:42,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:46:42,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:42,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:42,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:42,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,085 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:46:42,095 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 11:46:42,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:42,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:42,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:42,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,124 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:46:42,129 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 11:46:42,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:42,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:42,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:42,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,157 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:46:42,162 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 11:46:42,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:42,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:42,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:42,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,199 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:46:42,207 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 11:46:42,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:42,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:42,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:42,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,254 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,270 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 11:46:42,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:46:42,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:42,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:42,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:42,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,314 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 11:46:42,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:46:42,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,353 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,365 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 11:46:42,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:46:42,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:46:42,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:46:42,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:46:42,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,404 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:46:42,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:46:42,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,457 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:46:42,486 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 11:46:42,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,520 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:46:42,533 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 11:46:42,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,579 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,587 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 11:46:42,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:46:42,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,635 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,639 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 11:46:42,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:46:42,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,678 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,697 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 11:46:42,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:46:42,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,749 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,766 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 11:46:42,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:46:42,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:46:42,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:42,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,810 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,813 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 11:46:42,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:46:42,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:46:42,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:46:42,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:46:42,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:46:42,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:46:42,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:46:42,864 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:46:42,915 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-26 11:46:42,915 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-26 11:46:42,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:46:42,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,969 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:42,973 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:46:42,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:46:43,002 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:46:43,002 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:46:43,003 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_1) = -2*ULTIMATE.start_main_~i~0#1 + 21*v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_1 Supporting invariants [] [2023-11-26 11:46:43,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:43,033 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-26 11:46:43,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#in~0!base] could not be translated [2023-11-26 11:46:43,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:43,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:46:43,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:43,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:46:43,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:43,128 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 11:46:43,168 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:46:43,171 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:43,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 37 transitions. Complement of second has 8 states. [2023-11-26 11:46:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:46:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-26 11:46:43,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-26 11:46:43,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:46:43,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-26 11:46:43,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:46:43,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-26 11:46:43,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:46:43,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2023-11-26 11:46:43,238 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:43,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 7 states and 9 transitions. [2023-11-26 11:46:43,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2023-11-26 11:46:43,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-11-26 11:46:43,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2023-11-26 11:46:43,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:43,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-26 11:46:43,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2023-11-26 11:46:43,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-26 11:46:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-11-26 11:46:43,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-26 11:46:43,272 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-26 11:46:43,272 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:46:43,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2023-11-26 11:46:43,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:43,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:43,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:43,274 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:46:43,274 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:46:43,274 INFO L748 eck$LassoCheckResult]: Stem: 104#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 105#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 100#L21-3 assume !(main_~i~0#1 < 11); 101#L21-4 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 106#L28-2 [2023-11-26 11:46:43,275 INFO L750 eck$LassoCheckResult]: Loop: 106#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 106#L28-2 [2023-11-26 11:46:43,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:43,275 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2023-11-26 11:46:43,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:43,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026766672] [2023-11-26 11:46:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:43,396 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 11:46:43,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:43,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026766672] [2023-11-26 11:46:43,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026766672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:43,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:43,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:46:43,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112090831] [2023-11-26 11:46:43,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:43,401 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:46:43,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:43,402 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2023-11-26 11:46:43,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:43,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528598395] [2023-11-26 11:46:43,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:43,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:43,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:43,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:43,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:43,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:43,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:43,631 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:43,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:43,654 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2023-11-26 11:46:43,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2023-11-26 11:46:43,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:43,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2023-11-26 11:46:43,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-26 11:46:43,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-26 11:46:43,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2023-11-26 11:46:43,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:43,657 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-26 11:46:43,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2023-11-26 11:46:43,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2023-11-26 11:46:43,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-11-26 11:46:43,658 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-26 11:46:43,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:43,660 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-26 11:46:43,660 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:46:43,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-11-26 11:46:43,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:43,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:43,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:43,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:46:43,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:46:43,661 INFO L748 eck$LassoCheckResult]: Stem: 126#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 122#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 123#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 124#L21-3 assume !(main_~i~0#1 < 11); 125#L21-4 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 128#L28-2 [2023-11-26 11:46:43,661 INFO L750 eck$LassoCheckResult]: Loop: 128#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 128#L28-2 [2023-11-26 11:46:43,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:43,662 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2023-11-26 11:46:43,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:43,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912204693] [2023-11-26 11:46:43,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:43,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:43,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:43,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912204693] [2023-11-26 11:46:43,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912204693] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:46:43,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345031362] [2023-11-26 11:46:43,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:43,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:43,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:43,764 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:43,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-26 11:46:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:43,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:46:43,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:43,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:43,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345031362] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:43,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:46:43,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-26 11:46:43,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085423376] [2023-11-26 11:46:43,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:43,881 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:46:43,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:43,881 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2023-11-26 11:46:43,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:43,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428888846] [2023-11-26 11:46:43,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:43,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:43,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:43,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:44,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:44,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:46:44,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:46:44,060 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:44,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:44,103 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2023-11-26 11:46:44,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2023-11-26 11:46:44,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:44,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2023-11-26 11:46:44,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-26 11:46:44,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-26 11:46:44,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2023-11-26 11:46:44,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:44,105 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-11-26 11:46:44,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2023-11-26 11:46:44,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2023-11-26 11:46:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 12 states have internal predecessors, (14), 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 11:46:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-11-26 11:46:44,107 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-26 11:46:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:46:44,109 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-26 11:46:44,109 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:46:44,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2023-11-26 11:46:44,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:44,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:44,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:44,110 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2023-11-26 11:46:44,110 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:46:44,111 INFO L748 eck$LassoCheckResult]: Stem: 188#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 184#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 185#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 186#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 187#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 196#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 195#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 194#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 193#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 192#L21-3 assume !(main_~i~0#1 < 11); 190#L21-4 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 191#L28-2 [2023-11-26 11:46:44,111 INFO L750 eck$LassoCheckResult]: Loop: 191#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 191#L28-2 [2023-11-26 11:46:44,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:44,111 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2023-11-26 11:46:44,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:44,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762562424] [2023-11-26 11:46:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:44,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:44,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:44,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762562424] [2023-11-26 11:46:44,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762562424] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:46:44,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827217558] [2023-11-26 11:46:44,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:46:44,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:44,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:44,296 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:44,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-26 11:46:44,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:46:44,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:46:44,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:46:44,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:44,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:44,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827217558] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:44,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:46:44,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-26 11:46:44,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624794554] [2023-11-26 11:46:44,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:44,468 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:46:44,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:44,469 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 3 times [2023-11-26 11:46:44,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:44,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805134898] [2023-11-26 11:46:44,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:44,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:44,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:44,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:44,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:44,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:44,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:46:44,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:46:44,642 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 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 11:46:44,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:44,705 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2023-11-26 11:46:44,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2023-11-26 11:46:44,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:44,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2023-11-26 11:46:44,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-26 11:46:44,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-26 11:46:44,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2023-11-26 11:46:44,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:44,708 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-26 11:46:44,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2023-11-26 11:46:44,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2023-11-26 11:46:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.04) internal successors, (26), 24 states have internal predecessors, (26), 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 11:46:44,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2023-11-26 11:46:44,711 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 26 transitions. [2023-11-26 11:46:44,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:46:44,712 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 26 transitions. [2023-11-26 11:46:44,712 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:46:44,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 26 transitions. [2023-11-26 11:46:44,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:44,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:44,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:44,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2023-11-26 11:46:44,714 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:46:44,715 INFO L748 eck$LassoCheckResult]: Stem: 310#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 311#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 306#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 307#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 308#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 309#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 330#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 329#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 328#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 327#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 326#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 325#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 324#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 323#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 322#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 321#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 320#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 319#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 318#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 317#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 316#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 315#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 314#L21-3 assume !(main_~i~0#1 < 11); 312#L21-4 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 313#L28-2 [2023-11-26 11:46:44,715 INFO L750 eck$LassoCheckResult]: Loop: 313#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 313#L28-2 [2023-11-26 11:46:44,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:44,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2023-11-26 11:46:44,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:44,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538419134] [2023-11-26 11:46:44,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:44,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:44,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:44,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538419134] [2023-11-26 11:46:44,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538419134] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:46:45,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741607756] [2023-11-26 11:46:45,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 11:46:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:45,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:45,001 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:45,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-26 11:46:45,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-26 11:46:45,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:46:45,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 11:46:45,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:45,236 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:45,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741607756] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:45,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:46:45,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 14 [2023-11-26 11:46:45,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856708061] [2023-11-26 11:46:45,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:45,386 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:46:45,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 4 times [2023-11-26 11:46:45,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:45,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290107739] [2023-11-26 11:46:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:45,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:45,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:45,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:45,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:45,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 11:46:45,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2023-11-26 11:46:45,534 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. cyclomatic complexity: 3 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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 11:46:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:45,609 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2023-11-26 11:46:45,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 30 transitions. [2023-11-26 11:46:45,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:45,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 30 transitions. [2023-11-26 11:46:45,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-26 11:46:45,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-26 11:46:45,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 30 transitions. [2023-11-26 11:46:45,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:45,618 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 30 transitions. [2023-11-26 11:46:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 30 transitions. [2023-11-26 11:46:45,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2023-11-26 11:46:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.037037037037037) internal successors, (28), 26 states have internal predecessors, (28), 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 11:46:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2023-11-26 11:46:45,625 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-26 11:46:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:46:45,628 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-26 11:46:45,628 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:46:45,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 28 transitions. [2023-11-26 11:46:45,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:46:45,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:46:45,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:46:45,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 1, 1, 1, 1] [2023-11-26 11:46:45,632 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:46:45,632 INFO L748 eck$LassoCheckResult]: Stem: 519#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 515#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 516#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 517#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 518#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 541#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 540#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 539#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 538#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 537#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 536#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 535#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 534#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 533#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 532#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 531#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 530#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 529#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 528#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 527#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 526#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 525#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 524#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 523#L21-3 assume !(main_~i~0#1 < 11); 522#L21-4 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 521#L28-2 [2023-11-26 11:46:45,632 INFO L750 eck$LassoCheckResult]: Loop: 521#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 521#L28-2 [2023-11-26 11:46:45,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:45,633 INFO L85 PathProgramCache]: Analyzing trace with hash -95647583, now seen corresponding path program 4 times [2023-11-26 11:46:45,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:45,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733854496] [2023-11-26 11:46:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:45,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:45,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:45,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:45,733 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 5 times [2023-11-26 11:46:45,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:45,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598373575] [2023-11-26 11:46:45,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:45,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:45,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:45,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:45,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:45,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1329892248, now seen corresponding path program 1 times [2023-11-26 11:46:45,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:45,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469912175] [2023-11-26 11:46:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:45,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:45,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:45,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:47:02,610 WARN L293 SmtUtils]: Spent 16.61s on a formula simplification. DAG size of input: 234 DAG size of output: 178 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-26 11:47:02,946 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:47:02,946 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:47:02,946 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:47:02,946 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:47:02,946 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:47:02,946 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:02,947 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:47:02,947 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:47:02,947 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration6_Lasso [2023-11-26 11:47:02,947 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:47:02,947 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:47:02,950 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 11:47:02,954 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 11:47:02,957 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 11:47:02,996 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 11:47:02,999 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 11:47:03,002 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 11:47:03,647 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 11:47:03,650 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 11:47:03,653 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 11:47:04,266 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:47:04,270 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:47:04,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,274 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,276 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 11:47:04,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:47:04,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:47:04,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:47:04,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:47:04,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,310 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,317 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 11:47:04,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:47:04,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:04,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:04,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,357 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,361 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 11:47:04,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:47:04,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:04,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:04,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,411 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,418 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 11:47:04,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:04,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:04,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:47:04,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,460 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,464 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 11:47:04,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:47:04,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:47:04,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:47:04,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:47:04,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,510 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,514 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 11:47:04,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:47:04,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:47:04,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:47:04,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 11:47:04,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,550 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:47:04,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 11:47:04,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:04,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:04,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,598 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,602 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 11:47:04,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 11:47:04,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:04,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:04,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,647 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,653 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 11:47:04,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 11:47:04,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:04,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:04,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,707 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,710 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 11:47:04,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 11:47:04,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:04,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:04,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,766 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:47:04,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:47:04,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:47:04,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:47:04,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 11:47:04,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,814 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,818 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 11:47:04,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 11:47:04,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:04,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:04,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,873 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,877 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 11:47:04,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:47:04,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:47:04,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:47:04,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 11:47:04,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,919 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,930 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 11:47:04,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:47:04,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:47:04,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:47:04,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 11:47:04,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:04,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:04,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:04,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:04,978 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:04,985 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 11:47:04,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:04,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:47:04,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:04,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:04,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:04,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:47:04,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:47:04,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 11:47:05,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:05,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:05,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:05,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:05,026 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:05,030 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 11:47:05,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:05,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:05,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:05,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:05,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 11:47:05,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:05,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:05,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:05,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:05,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:05,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:05,067 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:05,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 11:47:05,070 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 11:47:05,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:05,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:05,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:05,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:05,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:05,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:05,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:47:05,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-26 11:47:05,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:05,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:05,096 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:05,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 11:47:05,101 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 11:47:05,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:47:05,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:47:05,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:47:05,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:47:05,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:47:05,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:47:05,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:47:05,157 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-26 11:47:05,157 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-26 11:47:05,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:47:05,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:05,161 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:05,169 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:47:05,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 11:47:05,215 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:47:05,215 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:47:05,215 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#in~0#1.offset, ULTIMATE.start_main_~idx_in~0#1, v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2) = -1*ULTIMATE.start_main_~#in~0#1.offset - 1*ULTIMATE.start_main_~idx_in~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2 Supporting invariants [] [2023-11-26 11:47:05,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:05,242 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-26 11:47:05,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#in~0!base] could not be translated [2023-11-26 11:47:05,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:05,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:47:05,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:05,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:47:05,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:05,354 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 11:47:05,354 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-26 11:47:05,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 28 transitions. cyclomatic complexity: 3 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 11:47:05,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 28 transitions. cyclomatic complexity: 3. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 28 states and 29 transitions. Complement of second has 2 states. [2023-11-26 11:47:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-26 11:47:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 11:47:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2023-11-26 11:47:05,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 26 letters. Loop has 1 letters. [2023-11-26 11:47:05,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:47:05,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 27 letters. Loop has 1 letters. [2023-11-26 11:47:05,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:47:05,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 26 letters. Loop has 2 letters. [2023-11-26 11:47:05,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:47:05,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2023-11-26 11:47:05,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:47:05,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2023-11-26 11:47:05,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:47:05,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:47:05,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:47:05,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:05,366 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:47:05,366 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:47:05,366 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:47:05,366 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:47:05,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:47:05,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:47:05,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:47:05,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:47:05 BoogieIcfgContainer [2023-11-26 11:47:05,377 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:47:05,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:47:05,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:47:05,378 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:47:05,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:40" (3/4) ... [2023-11-26 11:47:05,380 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:47:05,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:47:05,382 INFO L158 Benchmark]: Toolchain (without parser) took 25848.97ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 101.7MB in the beginning and 145.0MB in the end (delta: -43.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,382 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory was 119.4MB in the beginning and 119.2MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:05,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.14ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 90.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.09ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 89.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,383 INFO L158 Benchmark]: Boogie Preprocessor took 56.41ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 87.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,384 INFO L158 Benchmark]: RCFGBuilder took 355.25ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 76.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,384 INFO L158 Benchmark]: BuchiAutomizer took 25126.08ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 76.1MB in the beginning and 145.0MB in the end (delta: -68.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:05,384 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 207.6MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:05,386 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory was 119.4MB in the beginning and 119.2MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.14ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 90.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.09ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 89.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.41ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 87.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.25ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 76.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 25126.08ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 76.1MB in the beginning and 145.0MB in the end (delta: -68.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 207.6MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#in~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#in~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 2 locations. 4 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.0s and 7 iterations. TraceHistogramMax:11. Analysis of lassos took 24.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 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, 43 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 24 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital198 mio100 ax100 hnf100 lsp98 ukn65 mio100 lsp39 div139 bol100 ite100 ukn100 eq158 hnf93 smp78 dnf197 smp75 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:47:05,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:05,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-26 11:47:05,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-26 11:47:06,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:06,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8d07a8-d414-4040-b176-77a0fdb8b15b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE