./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/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_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5874eb83dea617c97f28746e1359ec67eb979d702b31dfbd0eb177fa26bd5d73 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:06:30,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:06:30,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 12:06:30,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:06:30,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:06:31,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:06:31,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:06:31,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:06:31,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:06:31,040 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:06:31,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:06:31,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:06:31,043 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:06:31,046 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 12:06:31,046 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 12:06:31,047 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 12:06:31,047 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 12:06:31,047 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 12:06:31,048 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 12:06:31,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:06:31,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 12:06:31,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:06:31,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:06:31,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 12:06:31,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 12:06:31,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 12:06:31,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:06:31,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:06:31,053 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 12:06:31,053 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:06:31,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:06:31,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:06:31,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:06:31,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:06:31,078 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 12:06:31,078 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_a0d31f68-b1d6-419f-a2da-cdbe82215dde/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5874eb83dea617c97f28746e1359ec67eb979d702b31dfbd0eb177fa26bd5d73 [2023-11-26 12:06:31,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:06:31,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:06:31,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:06:31,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:06:31,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:06:31,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i [2023-11-26 12:06:34,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:06:34,995 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:06:34,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i [2023-11-26 12:06:35,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/data/fa0868a2f/bcb12d5b18ab46b6b8d7edc376106905/FLAG6af6a4e9b [2023-11-26 12:06:35,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/data/fa0868a2f/bcb12d5b18ab46b6b8d7edc376106905 [2023-11-26 12:06:35,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:06:35,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:06:35,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:35,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:06:35,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:06:35,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1870dd61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35, skipping insertion in model container [2023-11-26 12:06:35,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:06:35,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:35,468 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:06:35,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:35,555 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:06:35,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35 WrapperNode [2023-11-26 12:06:35,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:35,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:35,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:06:35,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:06:35,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,606 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-26 12:06:35,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:35,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:06:35,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:06:35,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:06:35,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,637 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [4, 3]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2023-11-26 12:06:35,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:06:35,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:06:35,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:06:35,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:06:35,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (1/1) ... [2023-11-26 12:06:35,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:35,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:35,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:35,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 12:06:35,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:06:35,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:06:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:06:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:06:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:06:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:06:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:06:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:06:35,882 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:06:35,884 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:06:36,136 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:06:36,145 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:06:36,145 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 12:06:36,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:36 BoogieIcfgContainer [2023-11-26 12:06:36,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:06:36,149 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 12:06:36,149 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 12:06:36,153 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 12:06:36,154 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:06:36,154 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 12:06:35" (1/3) ... [2023-11-26 12:06:36,155 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7177d901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:06:36, skipping insertion in model container [2023-11-26 12:06:36,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:06:36,157 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:35" (2/3) ... [2023-11-26 12:06:36,159 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7177d901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:06:36, skipping insertion in model container [2023-11-26 12:06:36,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:06:36,160 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:36" (3/3) ... [2023-11-26 12:06:36,161 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn_reverse_alloca.i [2023-11-26 12:06:36,224 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 12:06:36,225 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 12:06:36,225 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 12:06:36,225 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 12:06:36,225 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 12:06:36,226 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 12:06:36,226 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 12:06:36,226 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 12:06:36,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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 12:06:36,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-26 12:06:36,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:36,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:36,257 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 12:06:36,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 12:06:36,258 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 12:06:36,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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 12:06:36,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-26 12:06:36,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:36,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:36,261 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 12:06:36,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 12:06:36,270 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 3#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 8#L369-4true [2023-11-26 12:06:36,270 INFO L750 eck$LassoCheckResult]: Loop: 8#L369-4true call cstrspn_#t~mem206#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 5#L372-5true assume !true; 4#L372-6true call cstrspn_#t~mem212#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 19#L374true assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 9#L369-3true cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 8#L369-4true [2023-11-26 12:06:36,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:36,286 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-26 12:06:36,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:36,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637915228] [2023-11-26 12:06:36,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:36,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:36,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:36,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:36,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:36,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2023-11-26 12:06:36,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:36,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676387262] [2023-11-26 12:06:36,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:36,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:36,680 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 12:06:36,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:36,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676387262] [2023-11-26 12:06:36,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676387262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:36,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:36,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:06:36,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058935902] [2023-11-26 12:06:36,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:36,689 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 12:06:36,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:06:36,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:06:36,739 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:36,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:36,748 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-26 12:06:36,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-26 12:06:36,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-26 12:06:36,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2023-11-26 12:06:36,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 12:06:36,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 12:06:36,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2023-11-26 12:06:36,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:06:36,762 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-26 12:06:36,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2023-11-26 12:06:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-26 12:06:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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 12:06:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-11-26 12:06:36,793 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-26 12:06:36,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:06:36,800 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-26 12:06:36,800 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 12:06:36,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2023-11-26 12:06:36,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-26 12:06:36,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:36,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:36,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 12:06:36,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:36,805 INFO L748 eck$LassoCheckResult]: Stem: 55#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 51#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 44#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 45#L369-4 [2023-11-26 12:06:36,806 INFO L750 eck$LassoCheckResult]: Loop: 45#L369-4 call cstrspn_#t~mem206#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 52#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 48#L372-5 call cstrspn_#t~mem208#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 49#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 54#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 46#L372-6 call cstrspn_#t~mem212#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 47#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 53#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 45#L369-4 [2023-11-26 12:06:36,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:36,807 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2023-11-26 12:06:36,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:36,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605480906] [2023-11-26 12:06:36,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:36,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:36,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:36,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:36,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:36,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2023-11-26 12:06:36,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:36,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197852575] [2023-11-26 12:06:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:36,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:36,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:36,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:36,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:36,944 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2023-11-26 12:06:36,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:36,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887160078] [2023-11-26 12:06:36,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:36,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:37,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:37,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:38,472 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:06:38,473 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:06:38,473 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:06:38,473 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:06:38,474 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:06:38,474 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:38,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:06:38,474 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:06:38,474 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration2_Lasso [2023-11-26 12:06:38,474 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:06:38,475 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:06:38,500 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 12:06:38,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:38,513 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 12:06:38,516 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 12:06:38,519 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 12:06:38,522 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 12:06:38,526 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 12:06:38,529 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 12:06:39,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:39,310 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 12:06:39,315 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 12:06:39,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:39,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:39,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:39,327 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 12:06:39,331 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 12:06:39,339 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 12:06:39,342 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 12:06:40,255 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:06:40,260 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:06:40,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,275 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 12:06:40,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 12:06:40,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,331 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 12:06:40,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 12:06:40,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,373 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 12:06:40,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 12:06:40,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,437 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 12:06:40,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 12:06:40,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,479 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 12:06:40,483 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 12:06:40,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,530 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 12:06:40,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 12:06:40,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,577 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 12:06:40,585 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 12:06:40,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,639 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 12:06:40,641 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 12:06:40,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,678 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,685 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 12:06:40,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 12:06:40,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,734 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,741 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 12:06:40,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 12:06:40,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,801 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 12:06:40,809 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 12:06:40,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,849 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 12:06:40,856 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 12:06:40,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:40,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:40,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:40,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,910 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,920 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 12:06:40,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 12:06:40,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:40,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:40,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:40,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:40,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:40,972 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:40,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 12:06:40,980 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 12:06:40,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:40,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:40,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:40,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:40,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:40,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:41,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:41,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:41,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:41,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:41,023 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:41,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 12:06:41,027 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 12:06:41,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:41,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:41,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:41,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:41,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:41,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:41,072 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:06:41,108 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 12:06:41,108 INFO L444 ModelExtractionUtils]: 6 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-26 12:06:41,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:41,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:41,160 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:41,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 12:06:41,169 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:06:41,191 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:06:41,192 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:06:41,192 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1) = 2*ULTIMATE.start_cstrspn_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 Supporting invariants [] [2023-11-26 12:06:41,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:41,246 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2023-11-26 12:06:41,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc215!base] could not be translated [2023-11-26 12:06:41,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:41,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 12:06:41,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:41,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:41,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:41,493 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 12:06:41,497 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 12:06:41,498 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 12:06:41,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:41,602 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2023-11-26 12:06:41,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 12:06:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 12:06:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2023-11-26 12:06:41,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-26 12:06:41,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:41,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2023-11-26 12:06:41,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:41,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2023-11-26 12:06:41,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:41,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2023-11-26 12:06:41,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 12:06:41,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2023-11-26 12:06:41,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 12:06:41,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-26 12:06:41,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2023-11-26 12:06:41,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:41,617 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-26 12:06:41,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2023-11-26 12:06:41,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-26 12:06:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 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 12:06:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2023-11-26 12:06:41,623 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-26 12:06:41,623 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-26 12:06:41,623 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 12:06:41,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2023-11-26 12:06:41,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 12:06:41,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:41,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:41,630 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:41,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 12:06:41,632 INFO L748 eck$LassoCheckResult]: Stem: 193#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 185#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 186#L382 assume !(main_~length1~0#1 < 1); 194#L382-2 assume !(main_~length2~0#1 < 1); 177#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 178#L369-4 call cstrspn_#t~mem206#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 188#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 181#L372-5 [2023-11-26 12:06:41,633 INFO L750 eck$LassoCheckResult]: Loop: 181#L372-5 call cstrspn_#t~mem208#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 182#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 191#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 181#L372-5 [2023-11-26 12:06:41,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:41,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2023-11-26 12:06:41,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:41,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937860875] [2023-11-26 12:06:41,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:41,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:41,698 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2023-11-26 12:06:41,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:41,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367908215] [2023-11-26 12:06:41,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:41,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:41,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:41,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2023-11-26 12:06:41,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:41,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443885503] [2023-11-26 12:06:41,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:41,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:41,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:42,977 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:06:42,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:06:42,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:06:42,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:06:42,977 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:06:42,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:42,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:06:42,977 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:06:42,977 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration3_Lasso [2023-11-26 12:06:42,977 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:06:42,977 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:06:42,982 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 12:06:42,989 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 12:06:42,992 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 12:06:42,995 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 12:06:42,998 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 12:06:43,001 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 12:06:43,005 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 12:06:43,009 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 12:06:43,012 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 12:06:43,015 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 12:06:43,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:43,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:43,818 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 12:06:43,821 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 12:06:43,824 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 12:06:43,827 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 12:06:43,829 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 12:06:43,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:44,785 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:06:44,788 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:06:44,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:44,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:44,791 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:44,806 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 12:06:44,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:44,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:44,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:44,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:44,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:44,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:44,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:44,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 12:06:44,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:44,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:44,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:44,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:44,837 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:44,852 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 12:06:44,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 12:06:44,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:44,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:44,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:44,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:44,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:44,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:44,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:44,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:44,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:44,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:44,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:44,885 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:44,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 12:06:44,896 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 12:06:44,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:44,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:44,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:44,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:44,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:44,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:44,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:44,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:44,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:44,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:44,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:44,946 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:44,955 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 12:06:44,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:44,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:44,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:44,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:44,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:44,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:44,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:44,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 12:06:44,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:44,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:44,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:44,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:44,990 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:44,994 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 12:06:45,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:45,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:45,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:45,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:45,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:45,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:45,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:45,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 12:06:45,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:45,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:45,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:45,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:45,026 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:45,029 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 12:06:45,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:45,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:45,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:45,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:45,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:45,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:45,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:45,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 12:06:45,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:45,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:45,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:45,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:45,069 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:45,077 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 12:06:45,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:45,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:45,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:45,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:45,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 12:06:45,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:45,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:45,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:45,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:45,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:45,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:45,117 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:45,124 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 12:06:45,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:45,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:45,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:45,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:45,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:45,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:45,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:45,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 12:06:45,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:45,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-26 12:06:45,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:45,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:45,155 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:45,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 12:06:45,159 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 12:06:45,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:45,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:45,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:45,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:45,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:45,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:45,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:45,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:45,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:45,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:45,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:45,188 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:45,192 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 12:06:45,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 12:06:45,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:45,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:45,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:45,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:45,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:45,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:45,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:45,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:45,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:45,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:45,233 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:45,237 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 12:06:45,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:45,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:45,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:45,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:45,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:45,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:45,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 12:06:45,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:45,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:45,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:45,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:45,278 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:45,282 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 12:06:45,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:45,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:45,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:45,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:45,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 12:06:45,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:45,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:45,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:06:45,390 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-26 12:06:45,391 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2023-11-26 12:06:45,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:45,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:45,392 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:45,396 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:06:45,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 12:06:45,425 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:06:45,425 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:06:45,426 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2, ULTIMATE.start_cstrspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2 + 2*ULTIMATE.start_cstrspn_~s~0#1.offset Supporting invariants [] [2023-11-26 12:06:45,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:45,508 INFO L156 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2023-11-26 12:06:45,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc216!base] could not be translated [2023-11-26 12:06:45,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:45,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 12:06:45,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:45,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 12:06:45,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:45,677 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 12:06:45,678 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 12:06:45,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:45,766 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2023-11-26 12:06:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 12:06:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-26 12:06:45,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-26 12:06:45,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:45,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-26 12:06:45,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:45,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-26 12:06:45,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:45,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2023-11-26 12:06:45,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 12:06:45,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2023-11-26 12:06:45,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 12:06:45,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 12:06:45,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2023-11-26 12:06:45,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:45,773 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-11-26 12:06:45,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2023-11-26 12:06:45,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2023-11-26 12:06:45,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2023-11-26 12:06:45,781 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-26 12:06:45,781 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-26 12:06:45,781 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 12:06:45,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2023-11-26 12:06:45,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 12:06:45,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:45,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:45,784 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:45,784 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 12:06:45,785 INFO L748 eck$LassoCheckResult]: Stem: 370#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 360#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 361#L382 assume !(main_~length1~0#1 < 1); 371#L382-2 assume !(main_~length2~0#1 < 1); 352#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 353#L369-4 call cstrspn_#t~mem206#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 362#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 372#L372-5 call cstrspn_#t~mem208#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 368#L372-1 assume !cstrspn_#t~short210#1; 369#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 354#L372-6 call cstrspn_#t~mem212#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 355#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 366#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 363#L369-4 call cstrspn_#t~mem206#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 365#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 356#L372-5 [2023-11-26 12:06:45,785 INFO L750 eck$LassoCheckResult]: Loop: 356#L372-5 call cstrspn_#t~mem208#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 357#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 367#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 356#L372-5 [2023-11-26 12:06:45,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:45,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2023-11-26 12:06:45,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:45,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117763271] [2023-11-26 12:06:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:45,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:06:45,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:45,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117763271] [2023-11-26 12:06:45,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117763271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:45,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:45,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:06:45,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580806860] [2023-11-26 12:06:45,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:45,952 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:06:45,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:45,953 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2023-11-26 12:06:45,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:45,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935836472] [2023-11-26 12:06:45,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:45,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:45,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:45,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:46,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:46,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:46,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:06:46,110 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:46,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:46,195 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2023-11-26 12:06:46,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2023-11-26 12:06:46,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:06:46,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2023-11-26 12:06:46,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 12:06:46,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 12:06:46,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2023-11-26 12:06:46,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:06:46,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2023-11-26 12:06:46,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2023-11-26 12:06:46,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2023-11-26 12:06:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:06:46,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2023-11-26 12:06:46,200 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2023-11-26 12:06:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:06:46,202 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2023-11-26 12:06:46,202 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 12:06:46,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2023-11-26 12:06:46,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 12:06:46,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:06:46,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:06:46,204 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:46,204 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 12:06:46,204 INFO L748 eck$LassoCheckResult]: Stem: 442#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 432#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 433#L382 assume !(main_~length1~0#1 < 1); 443#L382-2 assume !(main_~length2~0#1 < 1); 424#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 425#L369-4 call cstrspn_#t~mem206#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 434#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 447#L372-5 call cstrspn_#t~mem208#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 446#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 445#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 426#L372-6 call cstrspn_#t~mem212#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 427#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 438#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 435#L369-4 call cstrspn_#t~mem206#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 437#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 428#L372-5 [2023-11-26 12:06:46,204 INFO L750 eck$LassoCheckResult]: Loop: 428#L372-5 call cstrspn_#t~mem208#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 429#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#0(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 439#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 428#L372-5 [2023-11-26 12:06:46,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:46,204 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2023-11-26 12:06:46,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:46,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684926229] [2023-11-26 12:06:46,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:46,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:46,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:46,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:46,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:46,261 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2023-11-26 12:06:46,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:46,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17997906] [2023-11-26 12:06:46,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:46,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:46,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:46,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:46,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:46,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2023-11-26 12:06:46,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:46,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278961081] [2023-11-26 12:06:46,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:46,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:46,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:46,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:46,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:48,139 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:06:48,139 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:06:48,140 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:06:48,140 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:06:48,140 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:06:48,140 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:48,140 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:06:48,140 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:06:48,140 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration5_Lasso [2023-11-26 12:06:48,140 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:06:48,140 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:06:48,144 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 12:06:48,148 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 12:06:48,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:49,100 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 12:06:49,109 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 12:06:49,112 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 12:06:49,115 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 12:06:49,120 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 12:06:49,122 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 12:06:49,125 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 12:06:49,128 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 12:06:49,131 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 12:06:49,133 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 12:06:49,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:49,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:49,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:49,145 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 12:06:49,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:06:50,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:06:50,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:06:50,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,426 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 12:06:50,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:50,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:50,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:50,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:50,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-26 12:06:50,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,445 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 12:06:50,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:50,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:06:50,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:06:50,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:06:50,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-26 12:06:50,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,466 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 12:06:50,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:50,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:50,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:50,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:50,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,518 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,524 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 12:06:50,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 12:06:50,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:50,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:50,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:50,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,566 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:06:50,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 12:06:50,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:50,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:50,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:50,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,603 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 12:06:50,607 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 12:06:50,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:50,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:50,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-26 12:06:50,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,627 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 12:06:50,630 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 12:06:50,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:50,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:50,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:50,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,678 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,684 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 12:06:50,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 12:06:50,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:50,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:50,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:50,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,725 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,727 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 12:06:50,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 12:06:50,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:50,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:50,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:06:50,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-26 12:06:50,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,764 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 12:06:50,770 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 12:06:50,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:06:50,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:06:50,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:06:50,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:06:50,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:06:50,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:06:50,806 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:06:50,852 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-26 12:06:50,853 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-26 12:06:50,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:06:50,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:50,856 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:50,860 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:06:50,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 12:06:50,879 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:06:50,879 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:06:50,879 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1 Supporting invariants [] [2023-11-26 12:06:50,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:50,974 INFO L156 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2023-11-26 12:06:50,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:51,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:06:51,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:51,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:06:51,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:51,080 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 12:06:51,081 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 12:06:51,081 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:06:51,108 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 5 states. [2023-11-26 12:06:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 12:06:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:06:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2023-11-26 12:06:51,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-26 12:06:51,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:51,110 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 12:06:51,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:51,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:06:51,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:51,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:06:51,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:51,203 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 12:06:51,204 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 12:06:51,204 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:06:51,225 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 5 states. [2023-11-26 12:06:51,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 12:06:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:06:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2023-11-26 12:06:51,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-26 12:06:51,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:51,227 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 12:06:51,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:51,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:06:51,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:51,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:06:51,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:51,321 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 12:06:51,322 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 12:06:51,322 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:06:51,346 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 53 transitions. Complement of second has 4 states. [2023-11-26 12:06:51,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 12:06:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:06:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2023-11-26 12:06:51,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-26 12:06:51,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:51,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2023-11-26 12:06:51,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:51,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2023-11-26 12:06:51,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:06:51,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2023-11-26 12:06:51,350 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:06:51,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2023-11-26 12:06:51,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 12:06:51,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 12:06:51,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 12:06:51,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:06:51,351 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:06:51,351 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:06:51,351 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:06:51,351 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 12:06:51,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:06:51,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:06:51,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 12:06:51,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 12:06:51 BoogieIcfgContainer [2023-11-26 12:06:51,358 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 12:06:51,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:06:51,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:06:51,359 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:06:51,359 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:36" (3/4) ... [2023-11-26 12:06:51,361 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:06:51,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:06:51,363 INFO L158 Benchmark]: Toolchain (without parser) took 16317.02ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 99.7MB in the beginning and 60.9MB in the end (delta: 38.8MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2023-11-26 12:06:51,363 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 140.5MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:06:51,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.55ms. Allocated memory is still 140.5MB. Free memory was 99.7MB in the beginning and 81.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 12:06:51,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.09ms. Allocated memory is still 140.5MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:06:51,364 INFO L158 Benchmark]: Boogie Preprocessor took 46.01ms. Allocated memory is still 140.5MB. Free memory was 79.7MB in the beginning and 77.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:06:51,365 INFO L158 Benchmark]: RCFGBuilder took 493.86ms. Allocated memory is still 140.5MB. Free memory was 77.2MB in the beginning and 64.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:06:51,365 INFO L158 Benchmark]: BuchiAutomizer took 15209.56ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 64.1MB in the beginning and 60.9MB in the end (delta: 3.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-11-26 12:06:51,365 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 197.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:06:51,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 140.5MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.55ms. Allocated memory is still 140.5MB. Free memory was 99.7MB in the beginning and 81.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.09ms. Allocated memory is still 140.5MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.01ms. Allocated memory is still 140.5MB. Free memory was 79.7MB in the beginning and 77.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.86ms. Allocated memory is still 140.5MB. Free memory was 77.2MB in the beginning and 64.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 15209.56ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 64.1MB in the beginning and 60.9MB in the end (delta: 3.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 197.1MB. Free memory is still 60.9MB. 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[#t~malloc215!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc216!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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 114 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital276 mio100 ax100 hnf100 lsp106 ukn76 mio100 lsp27 div170 bol100 ite100 ukn100 eq161 hnf93 smp72 dnf656 smp26 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms 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 12:06:51,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:51,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d31f68-b1d6-419f-a2da-cdbe82215dde/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE