./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncat_malloc.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_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/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_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncat_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/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_5587a445-9c5e-42cd-885d-b14863e006db/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 5a61fb3bdd8c8080e4dbcf48deea241cadeed4c02fef8952e5b51d0e829dea4f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:48:31,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:48:31,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 11:48:31,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:48:31,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:48:31,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:48:31,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:48:31,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:48:31,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:48:31,633 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:48:31,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:48:31,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:48:31,636 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:48:31,639 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:48:31,639 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:48:31,640 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:48:31,640 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:48:31,641 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:48:31,641 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:48:31,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:48:31,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:48:31,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:48:31,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:48:31,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:48:31,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:48:31,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:48:31,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:48:31,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:48:31,646 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:48:31,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:48:31,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:48:31,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:48:31,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:48:31,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:48:31,650 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:48:31,650 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_5587a445-9c5e-42cd-885d-b14863e006db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a61fb3bdd8c8080e4dbcf48deea241cadeed4c02fef8952e5b51d0e829dea4f [2023-11-26 11:48:31,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:48:31,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:48:31,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:48:31,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:48:31,987 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:48:31,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-15/cstrncat_malloc.i [2023-11-26 11:48:35,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:48:35,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:48:35,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/sv-benchmarks/c/termination-15/cstrncat_malloc.i [2023-11-26 11:48:35,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/data/7fb030045/2374a43fae4e48dfa7e590a150b37d4a/FLAGed6b87b28 [2023-11-26 11:48:35,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/data/7fb030045/2374a43fae4e48dfa7e590a150b37d4a [2023-11-26 11:48:35,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:48:35,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:48:35,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:35,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:48:35,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:48:35,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:35" (1/1) ... [2023-11-26 11:48:35,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9ce6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:35, skipping insertion in model container [2023-11-26 11:48:35,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:35" (1/1) ... [2023-11-26 11:48:35,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:48:35,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:35,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:48:36,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:36,112 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:48:36,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36 WrapperNode [2023-11-26 11:48:36,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:36,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:36,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:48:36,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:48:36,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,170 INFO L138 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-26 11:48:36,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:36,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:48:36,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:48:36,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:48:36,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,198 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,213 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [1, 3]. [2023-11-26 11:48:36,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:48:36,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:48:36,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:48:36,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:48:36,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:36,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:36,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:36,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:48:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:48:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:48:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:48:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:48:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:48:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:48:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:48:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:48:36,467 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:48:36,469 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:48:36,659 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:48:36,668 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:48:36,669 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:48:36,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:36 BoogieIcfgContainer [2023-11-26 11:48:36,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:48:36,671 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:48:36,671 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:48:36,676 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:48:36,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:36,677 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:48:35" (1/3) ... [2023-11-26 11:48:36,678 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aeecce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:48:36, skipping insertion in model container [2023-11-26 11:48:36,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:36,678 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (2/3) ... [2023-11-26 11:48:36,678 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aeecce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:48:36, skipping insertion in model container [2023-11-26 11:48:36,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:36,679 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:36" (3/3) ... [2023-11-26 11:48:36,680 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrncat_malloc.i [2023-11-26 11:48:36,740 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:48:36,740 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:48:36,740 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:48:36,740 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:48:36,741 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:48:36,741 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:48:36,741 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:48:36,741 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:48:36,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:36,768 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-26 11:48:36,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:36,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:36,774 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:48:36,774 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:48:36,775 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:48:36,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:36,777 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-26 11:48:36,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:36,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:36,778 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:48:36,778 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:48:36,787 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~nondet215#1, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~malloc217#1.base, main_#t~malloc217#1.offset, main_#t~ret218#1.base, main_#t~ret218#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~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;havoc main_#t~nondet215#1;main_~n~0#1 := main_#t~nondet215#1;havoc main_#t~nondet215#1; 17#L381true assume !(main_~length1~0#1 < 1); 14#L381-2true assume !(main_~length2~0#1 < 1); 12#L384-1true assume !(main_~n~0#1 < 1); 16#L387-1true assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;havoc main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call main_#t~malloc217#1.base, main_#t~malloc217#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc217#1.base, main_#t~malloc217#1.offset;havoc main_#t~malloc217#1.base, main_#t~malloc217#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset, cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post206#1.base, cstrncat_#t~post206#1.offset, cstrncat_#t~mem205#1, cstrncat_#t~post210#1, cstrncat_#t~post211#1.base, cstrncat_#t~post211#1.offset, cstrncat_#t~post207#1.base, cstrncat_#t~post207#1.offset, cstrncat_#t~mem208#1, cstrncat_#t~short209#1, cstrncat_#t~mem212#1, cstrncat_~s1#1.base, cstrncat_~s1#1.offset, cstrncat_~s2#1.base, cstrncat_~s2#1.offset, cstrncat_~n#1, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s1#1.base, cstrncat_~s1#1.offset := cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset;cstrncat_~s2#1.base, cstrncat_~s2#1.offset := cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~s1#1.base, cstrncat_~s1#1.offset; 2#L367-3true [2023-11-26 11:48:36,788 INFO L750 eck$LassoCheckResult]: Loop: 2#L367-3true call cstrncat_#t~mem205#1 := read~int#1(cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, 1); 15#L367-1true assume !!(0 != cstrncat_#t~mem205#1);havoc cstrncat_#t~mem205#1;cstrncat_#t~post206#1.base, cstrncat_#t~post206#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post206#1.base, 1 + cstrncat_#t~post206#1.offset;havoc cstrncat_#t~post206#1.base, cstrncat_#t~post206#1.offset; 2#L367-3true [2023-11-26 11:48:36,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:36,793 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2023-11-26 11:48:36,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:36,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449379166] [2023-11-26 11:48:36,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:36,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:36,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:37,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:37,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:37,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2023-11-26 11:48:37,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:37,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239594680] [2023-11-26 11:48:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:37,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:37,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:37,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:37,075 INFO L85 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2023-11-26 11:48:37,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:37,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278446311] [2023-11-26 11:48:37,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:37,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:37,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:37,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:38,341 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:48:38,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:48:38,342 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:48:38,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:48:38,343 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:48:38,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,344 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:48:38,344 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:48:38,344 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat_malloc.i_Iteration1_Lasso [2023-11-26 11:48:38,344 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:48:38,344 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:48:38,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:38,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:48:39,918 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:48:39,923 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:48:39,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:39,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:39,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:39,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:39,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:48:39,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:39,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:39,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:39,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:39,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:39,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:39,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:39,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:48:40,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:40,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:40,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:48:40,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:48:40,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,229 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:48:40,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,279 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:48:40,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:40,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:40,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,330 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:48:40,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,380 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:48:40,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:48:40,429 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 11:48:40,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,467 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:48:40,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:40,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:40,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,533 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:48:40,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,580 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:48:40,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,625 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:48:40,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,670 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:48:40,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,731 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:48:40,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,783 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:48:40,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:40,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:40,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,840 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:48:40,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,896 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:48:40,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,947 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:40,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:48:40,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:40,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:40,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:40,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:40,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:40,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:40,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:40,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:40,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:40,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:40,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:40,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:40,989 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:41,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:41,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:48:41,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:41,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:41,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:41,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:41,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:41,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:41,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:41,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:41,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:41,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:41,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:41,047 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:41,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:41,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:48:41,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:41,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:41,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:41,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:41,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:41,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:41,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:41,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:41,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:41,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:41,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:41,090 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:41,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:41,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:41,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:41,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:41,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:41,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:48:41,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:41,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:41,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:41,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:41,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:41,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:41,139 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:41,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:41,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:48:41,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:41,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:41,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:41,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:41,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:41,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:41,196 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:48:41,223 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-26 11:48:41,223 INFO L444 ModelExtractionUtils]: 23 out of 31 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-26 11:48:41,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:41,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:41,258 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:41,259 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:48:41,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:48:41,293 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:48:41,294 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:48:41,294 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncat_~s~0#1.offset, v_rep(select #length ULTIMATE.start_cstrncat_~s~0#1.base)_1) = -1*ULTIMATE.start_cstrncat_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrncat_~s~0#1.base)_1 Supporting invariants [] [2023-11-26 11:48:41,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:41,326 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 11:48:41,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~s~0!base] could not be translated [2023-11-26 11:48:41,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:41,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:48:41,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:41,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:48:41,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:41,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:41,469 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:48:41,471 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:41,549 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 73 transitions. Complement of second has 8 states. [2023-11-26 11:48:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:48:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2023-11-26 11:48:41,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-26 11:48:41,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:41,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-26 11:48:41,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:41,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-26 11:48:41,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:41,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. [2023-11-26 11:48:41,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 11:48:41,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 20 states and 27 transitions. [2023-11-26 11:48:41,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 11:48:41,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:48:41,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2023-11-26 11:48:41,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:48:41,572 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-11-26 11:48:41,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2023-11-26 11:48:41,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-26 11:48:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2023-11-26 11:48:41,600 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2023-11-26 11:48:41,600 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2023-11-26 11:48:41,601 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:48:41,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2023-11-26 11:48:41,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 11:48:41,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:41,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:41,603 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:41,603 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:48:41,603 INFO L748 eck$LassoCheckResult]: Stem: 156#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 157#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~nondet215#1, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~malloc217#1.base, main_#t~malloc217#1.offset, main_#t~ret218#1.base, main_#t~ret218#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~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;havoc main_#t~nondet215#1;main_~n~0#1 := main_#t~nondet215#1;havoc main_#t~nondet215#1; 159#L381 assume !(main_~length1~0#1 < 1); 158#L381-2 assume !(main_~length2~0#1 < 1); 154#L384-1 assume !(main_~n~0#1 < 1); 155#L387-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;havoc main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call main_#t~malloc217#1.base, main_#t~malloc217#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc217#1.base, main_#t~malloc217#1.offset;havoc main_#t~malloc217#1.base, main_#t~malloc217#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset, cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post206#1.base, cstrncat_#t~post206#1.offset, cstrncat_#t~mem205#1, cstrncat_#t~post210#1, cstrncat_#t~post211#1.base, cstrncat_#t~post211#1.offset, cstrncat_#t~post207#1.base, cstrncat_#t~post207#1.offset, cstrncat_#t~mem208#1, cstrncat_#t~short209#1, cstrncat_#t~mem212#1, cstrncat_~s1#1.base, cstrncat_~s1#1.offset, cstrncat_~s2#1.base, cstrncat_~s2#1.offset, cstrncat_~n#1, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s1#1.base, cstrncat_~s1#1.offset := cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset;cstrncat_~s2#1.base, cstrncat_~s2#1.offset := cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~s1#1.base, cstrncat_~s1#1.offset; 147#L367-3 call cstrncat_#t~mem205#1 := read~int#1(cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, 1); 148#L367-1 assume !(0 != cstrncat_#t~mem205#1);havoc cstrncat_#t~mem205#1; 145#L369-4 cstrncat_#t~short209#1 := 0 != cstrncat_~n#1; 146#L369 assume !cstrncat_#t~short209#1; 153#L369-2 assume !!cstrncat_#t~short209#1;havoc cstrncat_#t~post207#1.base, cstrncat_#t~post207#1.offset;havoc cstrncat_#t~mem208#1;havoc cstrncat_#t~short209#1;cstrncat_#t~post210#1 := cstrncat_~n#1;cstrncat_~n#1 := cstrncat_#t~post210#1 - 1;havoc cstrncat_#t~post210#1;cstrncat_#t~post211#1.base, cstrncat_#t~post211#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post211#1.base, 1 + cstrncat_#t~post211#1.offset;havoc cstrncat_#t~post211#1.base, cstrncat_#t~post211#1.offset; 160#L369-4 cstrncat_#t~short209#1 := 0 != cstrncat_~n#1; 144#L369 [2023-11-26 11:48:41,603 INFO L750 eck$LassoCheckResult]: Loop: 144#L369 assume !cstrncat_#t~short209#1; 150#L369-2 assume !!cstrncat_#t~short209#1;havoc cstrncat_#t~post207#1.base, cstrncat_#t~post207#1.offset;havoc cstrncat_#t~mem208#1;havoc cstrncat_#t~short209#1;cstrncat_#t~post210#1 := cstrncat_~n#1;cstrncat_~n#1 := cstrncat_#t~post210#1 - 1;havoc cstrncat_#t~post210#1;cstrncat_#t~post211#1.base, cstrncat_#t~post211#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post211#1.base, 1 + cstrncat_#t~post211#1.offset;havoc cstrncat_#t~post211#1.base, cstrncat_#t~post211#1.offset; 143#L369-4 cstrncat_#t~short209#1 := 0 != cstrncat_~n#1; 144#L369 [2023-11-26 11:48:41,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:41,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2023-11-26 11:48:41,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:41,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052134630] [2023-11-26 11:48:41,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:41,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:41,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:41,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052134630] [2023-11-26 11:48:41,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052134630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:41,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:41,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:48:41,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255145869] [2023-11-26 11:48:41,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:41,695 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:48:41,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:41,696 INFO L85 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2023-11-26 11:48:41,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:41,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462860985] [2023-11-26 11:48:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:41,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:41,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:41,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:41,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462860985] [2023-11-26 11:48:41,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462860985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:41,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:41,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:48:41,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176361664] [2023-11-26 11:48:41,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:41,711 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:48:41,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:41,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:48:41,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:48:41,716 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:41,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:41,731 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2023-11-26 11:48:41,731 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2023-11-26 11:48:41,732 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:48:41,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2023-11-26 11:48:41,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:48:41,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:48:41,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:48:41,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:48:41,733 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:48:41,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:48:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:48:41,735 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:48:41,735 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:48:41,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:48:41,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:48:41,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:48:41,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:48:41 BoogieIcfgContainer [2023-11-26 11:48:41,744 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:48:41,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:48:41,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:48:41,745 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:48:41,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:36" (3/4) ... [2023-11-26 11:48:41,771 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:48:41,773 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:48:41,774 INFO L158 Benchmark]: Toolchain (without parser) took 6208.36ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 107.8MB in the beginning and 165.2MB in the end (delta: -57.4MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2023-11-26 11:48:41,775 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 77.0MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:41,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.57ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 89.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:48:41,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.63ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:41,776 INFO L158 Benchmark]: Boogie Preprocessor took 59.10ms. Allocated memory is still 155.2MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:41,777 INFO L158 Benchmark]: RCFGBuilder took 439.13ms. Allocated memory is still 155.2MB. Free memory was 85.3MB in the beginning and 119.5MB in the end (delta: -34.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-26 11:48:41,777 INFO L158 Benchmark]: BuchiAutomizer took 5073.05ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 119.5MB in the beginning and 60.7MB in the end (delta: 58.8MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2023-11-26 11:48:41,778 INFO L158 Benchmark]: Witness Printer took 28.59ms. Allocated memory is still 199.2MB. Free memory was 60.7MB in the beginning and 165.2MB in the end (delta: -104.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:41,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 77.0MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.57ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 89.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.63ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.10ms. Allocated memory is still 155.2MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.13ms. Allocated memory is still 155.2MB. Free memory was 85.3MB in the beginning and 119.5MB in the end (delta: -34.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 5073.05ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 119.5MB in the beginning and 60.7MB in the end (delta: 58.8MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Witness Printer took 28.59ms. Allocated memory is still 199.2MB. Free memory was 60.7MB in the beginning and 165.2MB in the end (delta: -104.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation [2023-11-26 11:48:41,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 Unfinished Backtranslation: ArrayAccessExpression #length[~s~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 4.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 35 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital183 mio100 ax100 hnf100 lsp90 ukn83 mio100 lsp44 div218 bol100 ite100 ukn100 eq152 hnf93 smp63 dnf176 smp86 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 85ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:48:41,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5587a445-9c5e-42cd-885d-b14863e006db/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