./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 332083c9703e7f789c3b57b3574f68dffe1c5555ad9f8a0d56f0eaba0a86f436 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:29:10,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:29:10,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:29:10,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:29:10,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:29:10,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:29:10,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:29:10,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:29:10,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:29:10,628 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:29:10,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:29:10,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:29:10,630 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:29:10,633 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:29:10,633 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:29:10,633 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:29:10,634 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:29:10,635 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:29:10,635 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:29:10,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:29:10,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:29:10,637 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:29:10,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:29:10,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:29:10,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:29:10,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:29:10,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:29:10,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:29:10,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:29:10,640 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:29:10,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:29:10,642 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:29:10,642 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:29:10,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:29:10,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:29:10,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:29:10,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:29:10,644 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:29:10,644 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_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332083c9703e7f789c3b57b3574f68dffe1c5555ad9f8a0d56f0eaba0a86f436 [2023-11-21 22:29:10,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:29:10,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:29:11,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:29:11,002 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:29:11,003 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:29:11,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2023-11-21 22:29:14,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:14,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:14,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2023-11-21 22:29:14,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/data/f0a5d1f7d/4b12f1fd82fc47eca9a1dfe51913c4f6/FLAG1a9006cbd [2023-11-21 22:29:14,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/data/f0a5d1f7d/4b12f1fd82fc47eca9a1dfe51913c4f6 [2023-11-21 22:29:14,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:14,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:14,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:14,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:14,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:14,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:14" (1/1) ... [2023-11-21 22:29:14,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3fa235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:14, skipping insertion in model container [2023-11-21 22:29:14,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:14" (1/1) ... [2023-11-21 22:29:14,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:15,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:15,033 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:15,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:15,099 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:15,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15 WrapperNode [2023-11-21 22:29:15,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:15,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:15,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:15,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:15,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,148 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-11-21 22:29:15,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:15,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:15,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:15,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:15,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,174 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,206 INFO L187 HeapSplitter]: Split 9 memory accesses to 2 slices as follows [4, 5] [2023-11-21 22:29:15,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:29:15,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:29:15,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:29:15,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:29:15,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (1/1) ... [2023-11-21 22:29:15,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:15,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:15,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:15,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:29:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:29:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:29:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:29:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:29:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:29:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:29:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:29:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:29:15,444 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:29:15,446 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:15,744 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:15,762 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:15,764 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 22:29:15,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:15 BoogieIcfgContainer [2023-11-21 22:29:15,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:15,768 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:29:15,769 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:29:15,773 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:29:15,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:29:15,775 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:29:14" (1/3) ... [2023-11-21 22:29:15,776 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2866dc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:29:15, skipping insertion in model container [2023-11-21 22:29:15,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:29:15,776 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:15" (2/3) ... [2023-11-21 22:29:15,777 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2866dc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:29:15, skipping insertion in model container [2023-11-21 22:29:15,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:29:15,777 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:15" (3/3) ... [2023-11-21 22:29:15,778 INFO L332 chiAutomizerObserver]: Analyzing ICFG subseq-alloca-2.i [2023-11-21 22:29:15,828 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:29:15,828 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:29:15,828 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:29:15,829 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:29:15,829 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:29:15,829 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:29:15,829 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:29:15,829 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:29:15,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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) [2023-11-21 22:29:15,859 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-21 22:29:15,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:15,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:15,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:29:15,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:29:15,867 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:29:15,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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) [2023-11-21 22:29:15,869 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-21 22:29:15,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:15,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:15,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:29:15,870 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:29:15,878 INFO L748 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 11#L530true assume !(main_~length1~0#1 < 1); 4#L530-2true assume !(main_~length2~0#1 < 1); 13#L533-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 5#L539-3true [2023-11-21 22:29:15,879 INFO L750 eck$LassoCheckResult]: Loop: 5#L539-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet15#1;call write~int#0(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 18#L539-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 5#L539-3true [2023-11-21 22:29:15,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:15,885 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-21 22:29:15,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:15,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158507778] [2023-11-21 22:29:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:15,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:15,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:16,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:16,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:16,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2023-11-21 22:29:16,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:16,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271359752] [2023-11-21 22:29:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:16,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:16,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:16,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:16,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:16,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2023-11-21 22:29:16,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:16,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255080444] [2023-11-21 22:29:16,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:16,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:16,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:16,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:16,608 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:29:16,609 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:29:16,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:29:16,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:29:16,610 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:29:16,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:16,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:29:16,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:29:16,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration1_Lasso [2023-11-21 22:29:16,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:29:16,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:29:16,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:16,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:17,302 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:29:17,307 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:29:17,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,330 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 [2023-11-21 22:29:17,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:17,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:17,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:17,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:29:17,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,400 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 [2023-11-21 22:29:17,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:29:17,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:17,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:17,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,474 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 [2023-11-21 22:29:17,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:17,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:17,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:29:17,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,529 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 [2023-11-21 22:29:17,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:29:17,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:17,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:17,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:17,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,581 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,594 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 [2023-11-21 22:29:17,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:17,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:17,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:29:17,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:29:17,662 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 [2023-11-21 22:29:17,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:17,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:17,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:17,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,710 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,713 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 [2023-11-21 22:29:17,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:29:17,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:17,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:17,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:17,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,759 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,765 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 [2023-11-21 22:29:17,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:17,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:17,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:29:17,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,809 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,822 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 [2023-11-21 22:29:17,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:17,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:17,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:29:17,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,872 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:29:17,875 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 [2023-11-21 22:29:17,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:17,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:17,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:17,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,921 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,925 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 [2023-11-21 22:29:17,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:17,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:17,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:29:17,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:17,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:17,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:17,975 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:17,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:29:17,978 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 [2023-11-21 22:29:17,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:17,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:17,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:17,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:17,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:17,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:17,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:18,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:18,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:18,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:18,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:18,030 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:18,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:29:18,033 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 [2023-11-21 22:29:18,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:18,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:18,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:18,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:18,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:18,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:18,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:18,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:18,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:18,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:18,090 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:18,097 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 [2023-11-21 22:29:18,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:18,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:18,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:18,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:18,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:18,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:18,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:18,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:29:18,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:18,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:18,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:18,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:18,134 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:18,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:29:18,136 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 [2023-11-21 22:29:18,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:18,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:18,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:18,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:18,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:18,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:18,180 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:29:18,234 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-21 22:29:18,234 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-21 22:29:18,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:18,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:18,290 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:18,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:29:18,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:29:18,330 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:29:18,330 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:29:18,331 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [] [2023-11-21 22:29:18,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:18,377 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-21 22:29:18,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:18,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:29:18,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:18,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:29:18,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:18,547 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 [2023-11-21 22:29:18,549 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:18,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 60 transitions. Complement of second has 8 states. [2023-11-21 22:29:18,612 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 [2023-11-21 22:29:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2023-11-21 22:29:18,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-21 22:29:18,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:18,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-21 22:29:18,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:18,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-21 22:29:18,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:18,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 60 transitions. [2023-11-21 22:29:18,634 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2023-11-21 22:29:18,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 17 states and 25 transitions. [2023-11-21 22:29:18,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-21 22:29:18,639 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-21 22:29:18,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 25 transitions. [2023-11-21 22:29:18,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:18,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 25 transitions. [2023-11-21 22:29:18,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 25 transitions. [2023-11-21 22:29:18,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-21 22:29:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2023-11-21 22:29:18,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 25 transitions. [2023-11-21 22:29:18,671 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2023-11-21 22:29:18,671 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:29:18,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2023-11-21 22:29:18,673 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2023-11-21 22:29:18,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:18,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:18,674 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:18,674 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:29:18,675 INFO L748 eck$LassoCheckResult]: Stem: 148#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 147#L530 assume !(main_~length1~0#1 < 1); 137#L530-2 assume !(main_~length2~0#1 < 1); 138#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 139#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 140#L539-4 havoc main_~i~0#1;main_~i~1#1 := 0; 134#L545-3 [2023-11-21 22:29:18,675 INFO L750 eck$LassoCheckResult]: Loop: 134#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int#1(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 136#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 134#L545-3 [2023-11-21 22:29:18,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:18,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2023-11-21 22:29:18,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:18,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088799895] [2023-11-21 22:29:18,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:18,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:18,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:18,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:18,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:18,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2023-11-21 22:29:18,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:18,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405779471] [2023-11-21 22:29:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:18,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:18,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:18,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:18,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2023-11-21 22:29:18,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:18,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622798678] [2023-11-21 22:29:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:18,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:18,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:18,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:19,103 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:29:19,103 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:29:19,103 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:29:19,103 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:29:19,103 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:29:19,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:19,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:29:19,104 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:29:19,104 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration2_Lasso [2023-11-21 22:29:19,104 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:29:19,104 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:29:19,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:19,615 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:29:19,615 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:29:19,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:19,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:19,616 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:19,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:29:19,621 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 [2023-11-21 22:29:19,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:19,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:19,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:19,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:19,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:19,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:19,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:19,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:19,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:19,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:19,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:19,682 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:19,689 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 [2023-11-21 22:29:19,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:19,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:19,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:19,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:19,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:19,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:19,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:29:19,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:19,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:19,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:19,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:19,739 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:19,754 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 [2023-11-21 22:29:19,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:19,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:19,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:19,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:19,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:19,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:19,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:19,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:29:19,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:19,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:19,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:19,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:19,800 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:19,803 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 [2023-11-21 22:29:19,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:19,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:19,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:19,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:19,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:19,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:19,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:19,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:29:19,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:19,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:19,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:19,852 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:19,857 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 [2023-11-21 22:29:19,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:19,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:19,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:19,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:19,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:19,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:19,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:29:19,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:19,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:19,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:19,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:19,924 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:19,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:19,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:19,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:19,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:19,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:19,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:29:19,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:19,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:19,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:19,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:19,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:19,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:19,979 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:19,982 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 [2023-11-21 22:29:19,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:29:19,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:19,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:19,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:19,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:19,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:19,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:20,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:20,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:20,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:20,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:20,035 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:20,038 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 [2023-11-21 22:29:20,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:29:20,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:20,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:20,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:20,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:20,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:20,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:20,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:20,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:20,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:20,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:20,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:20,091 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:20,094 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 [2023-11-21 22:29:20,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:20,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:20,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:20,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:20,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:20,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:20,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:29:20,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:20,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:20,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:20,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:20,139 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:20,142 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 [2023-11-21 22:29:20,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:20,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:20,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:20,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:20,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 22:29:20,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:20,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:20,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:20,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:20,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:20,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:20,204 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:20,208 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 [2023-11-21 22:29:20,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 22:29:20,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:20,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:20,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:20,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:20,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:20,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:20,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:20,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:20,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:20,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:20,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:20,254 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:20,257 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 [2023-11-21 22:29:20,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:20,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:20,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:20,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:20,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:20,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:20,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 22:29:20,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:20,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:20,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:20,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:20,321 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:20,325 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 [2023-11-21 22:29:20,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:20,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:20,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:20,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:20,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 22:29:20,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:20,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:20,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:29:20,384 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-21 22:29:20,384 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-21 22:29:20,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:20,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:20,389 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:20,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:29:20,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 22:29:20,433 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:29:20,433 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:29:20,433 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length2~0#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~length2~0#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2023-11-21 22:29:20,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:20,470 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-21 22:29:20,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:20,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:29:20,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:20,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:29:20,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:20,535 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 [2023-11-21 22:29:20,535 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 25 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:20,559 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 25 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 40 transitions. Complement of second has 8 states. [2023-11-21 22:29:20,559 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 [2023-11-21 22:29:20,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2023-11-21 22:29:20,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-21 22:29:20,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:20,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-21 22:29:20,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:20,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-21 22:29:20,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:20,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 40 transitions. [2023-11-21 22:29:20,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:29:20,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 18 states and 26 transitions. [2023-11-21 22:29:20,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-21 22:29:20,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-21 22:29:20,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2023-11-21 22:29:20,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:20,565 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2023-11-21 22:29:20,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2023-11-21 22:29:20,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-21 22:29:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 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) [2023-11-21 22:29:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2023-11-21 22:29:20,567 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2023-11-21 22:29:20,568 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2023-11-21 22:29:20,568 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:29:20,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2023-11-21 22:29:20,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:29:20,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:20,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:20,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:20,570 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:29:20,570 INFO L748 eck$LassoCheckResult]: Stem: 269#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 265#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 266#L530 assume !(main_~length1~0#1 < 1); 256#L530-2 assume !(main_~length2~0#1 < 1); 257#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 258#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 259#L539-4 havoc main_~i~0#1;main_~i~1#1 := 0; 252#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 253#L545-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 262#L518-5 [2023-11-21 22:29:20,570 INFO L750 eck$LassoCheckResult]: Loop: 262#L518-5 call subseq_#t~mem2#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 263#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 267#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 268#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 264#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 262#L518-5 [2023-11-21 22:29:20,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:20,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2023-11-21 22:29:20,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:20,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773659169] [2023-11-21 22:29:20,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:20,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:20,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:20,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:20,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:20,614 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 1 times [2023-11-21 22:29:20,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:20,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840029727] [2023-11-21 22:29:20,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:20,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:20,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:20,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:20,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:20,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1034036476, now seen corresponding path program 1 times [2023-11-21 22:29:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:20,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781506604] [2023-11-21 22:29:20,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:20,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:21,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:21,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781506604] [2023-11-21 22:29:21,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781506604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:21,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:21,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:29:21,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872324322] [2023-11-21 22:29:21,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:21,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:21,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:21,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:29:21,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:29:21,320 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 11 Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:21,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:21,403 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2023-11-21 22:29:21,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2023-11-21 22:29:21,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:29:21,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2023-11-21 22:29:21,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-21 22:29:21,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-21 22:29:21,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2023-11-21 22:29:21,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:21,406 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2023-11-21 22:29:21,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2023-11-21 22:29:21,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-21 22:29:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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) [2023-11-21 22:29:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2023-11-21 22:29:21,408 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-21 22:29:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:29:21,410 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-21 22:29:21,410 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:29:21,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2023-11-21 22:29:21,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:29:21,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:21,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:21,411 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:21,412 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:29:21,412 INFO L748 eck$LassoCheckResult]: Stem: 330#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 326#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 327#L530 assume !(main_~length1~0#1 < 1); 317#L530-2 assume !(main_~length2~0#1 < 1); 318#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 319#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 320#L539-4 havoc main_~i~0#1;main_~i~1#1 := 0; 313#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int#1(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 314#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 315#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 316#L545-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 323#L518-5 [2023-11-21 22:29:21,412 INFO L750 eck$LassoCheckResult]: Loop: 323#L518-5 call subseq_#t~mem2#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 324#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 328#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 329#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 325#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 323#L518-5 [2023-11-21 22:29:21,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:21,413 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2023-11-21 22:29:21,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:21,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278950394] [2023-11-21 22:29:21,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:21,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:21,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:21,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:21,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:21,487 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 2 times [2023-11-21 22:29:21,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:21,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292440851] [2023-11-21 22:29:21,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:21,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:21,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:21,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:21,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:21,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1834913698, now seen corresponding path program 1 times [2023-11-21 22:29:21,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:21,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986404945] [2023-11-21 22:29:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:21,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:21,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 22:29:21,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:21,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986404945] [2023-11-21 22:29:21,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986404945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:21,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:21,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:29:21,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113910054] [2023-11-21 22:29:21,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:21,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:21,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:29:21,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:29:21,882 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:21,952 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2023-11-21 22:29:21,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2023-11-21 22:29:21,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:29:21,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 24 transitions. [2023-11-21 22:29:21,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-21 22:29:21,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-21 22:29:21,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2023-11-21 22:29:21,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:21,954 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-21 22:29:21,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2023-11-21 22:29:21,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-21 22:29:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2023-11-21 22:29:21,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-21 22:29:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:29:21,958 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-21 22:29:21,958 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 22:29:21,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2023-11-21 22:29:21,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:29:21,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:21,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:21,959 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:21,959 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:29:21,960 INFO L748 eck$LassoCheckResult]: Stem: 390#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 386#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 387#L530 assume !(main_~length1~0#1 < 1); 377#L530-2 assume !(main_~length2~0#1 < 1); 378#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 379#L539-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet15#1;call write~int#0(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 380#L539-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 381#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 382#L539-4 havoc main_~i~0#1;main_~i~1#1 := 0; 373#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int#1(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 374#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 375#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 376#L545-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 383#L518-5 [2023-11-21 22:29:21,960 INFO L750 eck$LassoCheckResult]: Loop: 383#L518-5 call subseq_#t~mem2#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 384#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 388#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 389#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 385#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 383#L518-5 [2023-11-21 22:29:21,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:21,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2023-11-21 22:29:21,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:21,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620272227] [2023-11-21 22:29:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:21,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:22,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:22,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:22,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:22,031 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 3 times [2023-11-21 22:29:22,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:22,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667267084] [2023-11-21 22:29:22,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:22,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:22,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:22,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:22,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:22,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1075475712, now seen corresponding path program 1 times [2023-11-21 22:29:22,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:22,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799760283] [2023-11-21 22:29:22,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:22,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:22,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:23,461 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:29:23,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:29:23,461 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:29:23,461 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:29:23,461 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:29:23,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:23,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:29:23,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:29:23,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration5_Lasso [2023-11-21 22:29:23,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:29:23,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:29:23,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:23,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:24,789 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:29:24,789 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:29:24,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:24,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:24,794 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:24,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:24,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:24,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:24,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 22:29:24,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:24,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:24,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:24,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:24,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:24,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:24,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:24,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:24,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:24,838 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:24,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:24,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:24,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:24,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:24,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:24,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:24,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:24,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:24,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 22:29:24,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:24,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:24,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:24,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:24,888 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:24,893 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 [2023-11-21 22:29:24,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:24,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:24,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:24,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:24,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:24,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:24,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:24,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 22:29:24,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:24,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:24,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:24,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:24,952 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:24,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:24,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:24,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:24,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:24,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:24,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:24,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:24,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:24,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 22:29:24,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,010 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,013 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 [2023-11-21 22:29:25,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 22:29:25,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,067 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,072 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 [2023-11-21 22:29:25,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:25,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:25,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:25,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 22:29:25,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,120 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,122 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 [2023-11-21 22:29:25,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:25,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:25,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:25,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 22:29:25,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,177 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,180 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 [2023-11-21 22:29:25,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 22:29:25,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,236 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 22:29:25,238 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 [2023-11-21 22:29:25,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:25,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:25,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:25,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,284 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,286 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 [2023-11-21 22:29:25,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 22:29:25,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,340 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,342 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 [2023-11-21 22:29:25,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:25,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:25,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:25,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-21 22:29:25,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,388 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,390 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 [2023-11-21 22:29:25,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:25,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:25,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:25,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-21 22:29:25,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,435 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,440 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 [2023-11-21 22:29:25,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:25,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:25,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:25,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-21 22:29:25,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,478 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,480 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 [2023-11-21 22:29:25,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-21 22:29:25,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,544 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,547 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 [2023-11-21 22:29:25,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-21 22:29:25,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,599 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,601 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 [2023-11-21 22:29:25,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-21 22:29:25,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,658 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,660 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 [2023-11-21 22:29:25,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-21 22:29:25,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,708 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:25,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-21 22:29:25,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,764 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:25,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-21 22:29:25,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,815 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,819 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 [2023-11-21 22:29:25,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-21 22:29:25,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,881 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,883 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 [2023-11-21 22:29:25,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-21 22:29:25,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:25,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:25,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:25,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:25,937 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:25,940 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 [2023-11-21 22:29:25,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:25,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:25,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:25,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:25,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-21 22:29:25,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:25,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:25,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:29:26,020 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-21 22:29:26,020 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-21 22:29:26,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:26,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:26,025 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:26,027 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:29:26,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-21 22:29:26,061 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:29:26,061 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:29:26,061 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_subseq_~pt~0#1.offset, v_rep(select #length ULTIMATE.start_subseq_~pt~0#1.base)_1) = -1*ULTIMATE.start_subseq_~pt~0#1.offset + 1*v_rep(select #length ULTIMATE.start_subseq_~pt~0#1.base)_1 Supporting invariants [] [2023-11-21 22:29:26,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:26,142 INFO L156 tatePredicateManager]: 18 out of 18 supporting invariants were superfluous and have been removed [2023-11-21 22:29:26,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~pt~0!base] could not be translated [2023-11-21 22:29:26,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:26,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:29:26,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:26,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:29:26,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:26,253 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 [2023-11-21 22:29:26,253 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:26,279 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 6 states. [2023-11-21 22:29:26,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:29:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-11-21 22:29:26,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 5 letters. [2023-11-21 22:29:26,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:26,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 18 letters. Loop has 5 letters. [2023-11-21 22:29:26,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:26,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 10 letters. [2023-11-21 22:29:26,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:26,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2023-11-21 22:29:26,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:29:26,286 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2023-11-21 22:29:26,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:29:26,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:29:26,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:29:26,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:26,287 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:29:26,287 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:29:26,287 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:29:26,288 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 22:29:26,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:29:26,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:29:26,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:29:26,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:29:26 BoogieIcfgContainer [2023-11-21 22:29:26,295 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:29:26,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:29:26,296 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:29:26,296 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:29:26,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:15" (3/4) ... [2023-11-21 22:29:26,298 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:29:26,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:29:26,300 INFO L158 Benchmark]: Toolchain (without parser) took 11709.59ms. Allocated memory was 119.5MB in the beginning and 184.5MB in the end (delta: 65.0MB). Free memory was 74.4MB in the beginning and 127.6MB in the end (delta: -53.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:26,300 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:26,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.36ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 57.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:29:26,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.10ms. Allocated memory is still 119.5MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:26,301 INFO L158 Benchmark]: Boogie Preprocessor took 82.98ms. Allocated memory is still 119.5MB. Free memory was 55.5MB in the beginning and 53.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:26,302 INFO L158 Benchmark]: RCFGBuilder took 529.63ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 53.4MB in the beginning and 122.7MB in the end (delta: -69.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-21 22:29:26,302 INFO L158 Benchmark]: BuchiAutomizer took 10527.33ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 122.7MB in the beginning and 127.6MB in the end (delta: -4.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-21 22:29:26,303 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 184.5MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:26,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.36ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 57.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.10ms. Allocated memory is still 119.5MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.98ms. Allocated memory is still 119.5MB. Free memory was 55.5MB in the beginning and 53.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.63ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 53.4MB in the beginning and 122.7MB in the end (delta: -69.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 10527.33ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 122.7MB in the beginning and 127.6MB in the end (delta: -4.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 184.5MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~pt~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 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (length1 + (-1 * i)) and consists of 5 locations. One deterministic module has affine ranking function (length2 + (-1 * i)) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.4s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 9.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 67 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital159 mio100 ax112 hnf100 lsp81 ukn82 mio100 lsp41 div154 bol100 ite100 ukn100 eq167 hnf91 smp80 dnf117 smp88 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 22:29:26,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:26,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc81bd-8e43-4336-9f1c-9f5a693ed48c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE