./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/ex3_forlist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/ex3_forlist.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB --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 ddbd4e73adf4663f87721f5aa250c32f7b058621a618ab1d03544a940de1ce0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:23:25,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:23:25,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:23:25,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:23:25,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:23:25,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:23:25,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:23:25,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:23:25,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:23:25,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:23:25,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:23:25,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:23:25,274 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:23:25,275 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:23:25,275 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:23:25,275 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:23:25,277 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:23:25,277 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:23:25,277 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:23:25,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:23:25,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:23:25,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:23:25,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:23:25,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:23:25,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:23:25,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:23:25,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:23:25,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:23:25,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:23:25,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:23:25,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:23:25,279 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:23:25,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:23:25,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:23:25,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:23:25,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:23:25,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:23:25,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:23:25,280 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:23:25,280 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB 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 -> ddbd4e73adf4663f87721f5aa250c32f7b058621a618ab1d03544a940de1ce0e [2024-11-28 03:23:25,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:23:25,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:23:25,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:23:25,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:23:25,681 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:23:25,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-regression/ex3_forlist.i [2024-11-28 03:23:28,754 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/data/1fedc6624/26cdf111e922491e8b7214022d4386f9/FLAG96c2e229e [2024-11-28 03:23:29,124 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:23:29,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/sv-benchmarks/c/ldv-regression/ex3_forlist.i [2024-11-28 03:23:29,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/data/1fedc6624/26cdf111e922491e8b7214022d4386f9/FLAG96c2e229e [2024-11-28 03:23:29,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/data/1fedc6624/26cdf111e922491e8b7214022d4386f9 [2024-11-28 03:23:29,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:23:29,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:23:29,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:23:29,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:23:29,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:23:29,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43594979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29, skipping insertion in model container [2024-11-28 03:23:29,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:23:29,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:23:29,590 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:23:29,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:23:29,629 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:23:29,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29 WrapperNode [2024-11-28 03:23:29,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:23:29,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:23:29,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:23:29,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:23:29,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,666 INFO L138 Inliner]: procedures = 19, calls = 30, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 136 [2024-11-28 03:23:29,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:23:29,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:23:29,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:23:29,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:23:29,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,706 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 9, 9]. 45 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 2, 2]. The 8 writes are split as follows [0, 3, 5]. [2024-11-28 03:23:29,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,724 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:23:29,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:23:29,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:23:29,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:23:29,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (1/1) ... [2024-11-28 03:23:29,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:29,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:29,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:29,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:23:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:23:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:23:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:23:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:23:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:23:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:23:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:23:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:23:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:23:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:23:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:23:29,937 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:23:29,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:23:30,380 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-28 03:23:30,380 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:23:30,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:23:30,392 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 03:23:30,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:30 BoogieIcfgContainer [2024-11-28 03:23:30,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:23:30,394 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:23:30,394 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:23:30,401 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:23:30,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:23:30,402 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:23:29" (1/3) ... [2024-11-28 03:23:30,404 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7978f3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:30, skipping insertion in model container [2024-11-28 03:23:30,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:23:30,404 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:29" (2/3) ... [2024-11-28 03:23:30,404 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7978f3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:30, skipping insertion in model container [2024-11-28 03:23:30,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:23:30,404 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:30" (3/3) ... [2024-11-28 03:23:30,406 INFO L363 chiAutomizerObserver]: Analyzing ICFG ex3_forlist.i [2024-11-28 03:23:30,471 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:23:30,471 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:23:30,471 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:23:30,471 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:23:30,471 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:23:30,472 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:23:30,472 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:23:30,472 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:23:30,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 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) [2024-11-28 03:23:30,498 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 26 [2024-11-28 03:23:30,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:23:30,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:23:30,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:23:30,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:23:30,506 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:23:30,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 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) [2024-11-28 03:23:30,511 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 26 [2024-11-28 03:23:30,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:23:30,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:23:30,512 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:23:30,512 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:23:30,521 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" [2024-11-28 03:23:30,521 INFO L749 eck$LassoCheckResult]: Loop: "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" [2024-11-28 03:23:30,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 03:23:30,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:30,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796374936] [2024-11-28 03:23:30,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:30,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:30,647 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:30,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:23:30,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:30,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times [2024-11-28 03:23:30,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:30,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042196038] [2024-11-28 03:23:30,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:30,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:30,720 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:30,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:23:30,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:30,751 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-28 03:23:30,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:30,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626943132] [2024-11-28 03:23:30,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:30,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:30,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:30,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:23:31,866 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:23:31,866 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:23:31,867 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:23:31,867 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:23:31,867 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:23:31,867 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:31,867 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:23:31,867 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:23:31,868 INFO L132 ssoRankerPreferences]: Filename of dumped script: ex3_forlist.i_Iteration1_Lasso [2024-11-28 03:23:31,868 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:23:31,868 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:23:31,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:31,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:32,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:23:33,048 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:23:33,053 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:23:33,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,062 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 [2024-11-28 03:23:33,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 03:23:33,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:23:33,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:23:33,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:23:33,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:23:33,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 03:23:33,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 03:23:33,114 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 [2024-11-28 03:23:33,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:23:33,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:23:33,141 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:23:33,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:33,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 03:23:33,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:23:33,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:23:33,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:23:33,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:23:33,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 03:23:33,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:23:33,210 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 [2024-11-28 03:23:33,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:23:33,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:23:33,248 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:23:33,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 03:23:33,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,262 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 03:23:33,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:23:33,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:23:33,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:23:33,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:23:33,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:23:33,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:33,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,304 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,308 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 [2024-11-28 03:23:33,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 03:23:33,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:23:33,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:23:33,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:23:33,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:33,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,347 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 03:23:33,351 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 [2024-11-28 03:23:33,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:23:33,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:23:33,382 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:23:33,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 03:23:33,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,396 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 03:23:33,401 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 [2024-11-28 03:23:33,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:23:33,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:23:33,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:23:33,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:33,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,447 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 03:23:33,452 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 [2024-11-28 03:23:33,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:23:33,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:23:33,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:23:33,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:23:33,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:23:33,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:23:33,501 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:23:33,550 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-11-28 03:23:33,556 INFO L444 ModelExtractionUtils]: 6 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-11-28 03:23:33,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:23:33,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:33,563 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:33,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 03:23:33,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:23:33,588 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:23:33,589 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:23:33,589 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ~#pp~0.base)_1, ULTIMATE.start_init_~i~0#1) = 1*v_rep(select #length ~#pp~0.base)_1 - 2*ULTIMATE.start_init_~i~0#1 Supporting invariants [] [2024-11-28 03:23:33,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:33,691 INFO L156 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2024-11-28 03:23:33,704 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-28 03:23:33,705 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-28 03:23:33,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:33,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:23:33,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:33,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:23:33,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:23:33,909 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 [2024-11-28 03:23:33,914 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:33,995 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 76 states and 109 transitions. Complement of second has 6 states. [2024-11-28 03:23:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:23:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 54 transitions. [2024-11-28 03:23:34,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-28 03:23:34,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:23:34,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 03:23:34,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:23:34,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 03:23:34,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:23:34,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 109 transitions. [2024-11-28 03:23:34,030 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2024-11-28 03:23:34,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 36 states and 50 transitions. [2024-11-28 03:23:34,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-11-28 03:23:34,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-11-28 03:23:34,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 50 transitions. [2024-11-28 03:23:34,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:23:34,042 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 50 transitions. [2024-11-28 03:23:34,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 50 transitions. [2024-11-28 03:23:34,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-28 03:23:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 35 states have internal predecessors, (50), 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) [2024-11-28 03:23:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2024-11-28 03:23:34,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 50 transitions. [2024-11-28 03:23:34,077 INFO L425 stractBuchiCegarLoop]: Abstraction has 36 states and 50 transitions. [2024-11-28 03:23:34,077 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:23:34,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 50 transitions. [2024-11-28 03:23:34,078 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2024-11-28 03:23:34,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:23:34,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:23:34,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:34,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 03:23:34,079 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" [2024-11-28 03:23:34,079 INFO L749 eck$LassoCheckResult]: Loop: "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" [2024-11-28 03:23:34,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:34,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1809798446, now seen corresponding path program 1 times [2024-11-28 03:23:34,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:34,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446475370] [2024-11-28 03:23:34,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:34,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:34,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:23:34,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446475370] [2024-11-28 03:23:34,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446475370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:23:34,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424628583] [2024-11-28 03:23:34,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:34,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:34,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:34,227 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:34,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:23:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:34,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:23:34,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:34,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:23:34,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424628583] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:23:34,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:23:34,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-28 03:23:34,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510653397] [2024-11-28 03:23:34,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:23:34,336 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:23:34,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:34,337 INFO L85 PathProgramCache]: Analyzing trace with hash 60707, now seen corresponding path program 1 times [2024-11-28 03:23:34,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:34,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064638139] [2024-11-28 03:23:34,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:34,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:34,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:34,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:23:34,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:23:34,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:23:34,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:23:34,464 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:34,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:34,510 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-11-28 03:23:34,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-11-28 03:23:34,511 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2024-11-28 03:23:34,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 32 states and 40 transitions. [2024-11-28 03:23:34,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-11-28 03:23:34,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-11-28 03:23:34,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 40 transitions. [2024-11-28 03:23:34,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:23:34,513 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 40 transitions. [2024-11-28 03:23:34,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 40 transitions. [2024-11-28 03:23:34,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-28 03:23:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.25) internal successors, (40), 31 states have internal predecessors, (40), 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) [2024-11-28 03:23:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2024-11-28 03:23:34,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 40 transitions. [2024-11-28 03:23:34,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:34,517 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2024-11-28 03:23:34,518 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:23:34,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 40 transitions. [2024-11-28 03:23:34,519 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2024-11-28 03:23:34,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:23:34,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:23:34,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:34,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 03:23:34,520 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" [2024-11-28 03:23:34,520 INFO L749 eck$LassoCheckResult]: Loop: "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" [2024-11-28 03:23:34,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:34,520 INFO L85 PathProgramCache]: Analyzing trace with hash 758551206, now seen corresponding path program 1 times [2024-11-28 03:23:34,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:34,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495088652] [2024-11-28 03:23:34,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:34,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:34,598 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:34,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:23:34,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:34,664 INFO L85 PathProgramCache]: Analyzing trace with hash 60707, now seen corresponding path program 2 times [2024-11-28 03:23:34,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:34,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721938779] [2024-11-28 03:23:34,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:34,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:34,673 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:34,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:23:34,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:34,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2118902690, now seen corresponding path program 1 times [2024-11-28 03:23:34,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:34,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409134507] [2024-11-28 03:23:34,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:34,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:35,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:23:35,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409134507] [2024-11-28 03:23:35,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409134507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:23:35,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765840549] [2024-11-28 03:23:35,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:35,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:35,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:35,648 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:35,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:23:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:35,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:23:35,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:35,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:23:35,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:23:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:23:35,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-28 03:23:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:23:35,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-28 03:23:35,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 03:23:36,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:23:36,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2024-11-28 03:23:36,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2024-11-28 03:23:36,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2024-11-28 03:23:36,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2024-11-28 03:23:36,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765840549] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:23:36,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:23:36,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-28 03:23:36,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244058351] [2024-11-28 03:23:36,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:23:36,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:23:36,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:23:36,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:23:36,513 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. cyclomatic complexity: 13 Second operand has 14 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 14 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) [2024-11-28 03:23:36,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:36,726 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2024-11-28 03:23:36,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 38 transitions. [2024-11-28 03:23:36,728 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2024-11-28 03:23:36,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 38 transitions. [2024-11-28 03:23:36,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-11-28 03:23:36,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-11-28 03:23:36,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 38 transitions. [2024-11-28 03:23:36,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:23:36,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-28 03:23:36,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 38 transitions. [2024-11-28 03:23:36,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-28 03:23:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.1875) internal successors, (38), 31 states have internal predecessors, (38), 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) [2024-11-28 03:23:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2024-11-28 03:23:36,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-28 03:23:36,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:23:36,733 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-28 03:23:36,733 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 03:23:36,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2024-11-28 03:23:36,734 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2024-11-28 03:23:36,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:23:36,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:23:36,735 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:36,735 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 03:23:36,735 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" [2024-11-28 03:23:36,735 INFO L749 eck$LassoCheckResult]: Loop: "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" [2024-11-28 03:23:36,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:36,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1261473968, now seen corresponding path program 1 times [2024-11-28 03:23:36,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:36,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277536994] [2024-11-28 03:23:36,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:36,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:36,784 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:36,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:23:36,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:36,819 INFO L85 PathProgramCache]: Analyzing trace with hash 79574, now seen corresponding path program 1 times [2024-11-28 03:23:36,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:36,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783606998] [2024-11-28 03:23:36,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:36,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:36,827 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:36,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:23:36,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:36,834 INFO L85 PathProgramCache]: Analyzing trace with hash 392909095, now seen corresponding path program 1 times [2024-11-28 03:23:36,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:23:36,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967168885] [2024-11-28 03:23:36,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:36,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:36,883 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:36,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:01,193 WARN L286 SmtUtils]: Spent 24.17s on a formula simplification. DAG size of input: 290 DAG size of output: 252 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-28 03:24:02,199 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:24:02,199 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:24:02,200 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:24:02,200 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:24:02,200 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:24:02,200 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:02,200 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:24:02,200 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:24:02,200 INFO L132 ssoRankerPreferences]: Filename of dumped script: ex3_forlist.i_Iteration4_Lasso [2024-11-28 03:24:02,200 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:24:02,200 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:24:02,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:02,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:24:03,324 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:24:03,324 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:24:03,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,327 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 03:24:03,330 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 [2024-11-28 03:24:03,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,346 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 03:24:03,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,357 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 03:24:03,360 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 [2024-11-28 03:24:03,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:03,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,389 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 03:24:03,391 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 [2024-11-28 03:24:03,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,405 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 03:24:03,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,414 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 03:24:03,416 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 [2024-11-28 03:24:03,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,430 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 03:24:03,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,439 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 03:24:03,442 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 [2024-11-28 03:24:03,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:03,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,473 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 03:24:03,480 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 [2024-11-28 03:24:03,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,506 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 03:24:03,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,521 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 03:24:03,526 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 [2024-11-28 03:24:03,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,546 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 03:24:03,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,560 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 03:24:03,564 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 [2024-11-28 03:24:03,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,585 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 03:24:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,598 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 03:24:03,604 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 [2024-11-28 03:24:03,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,625 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:03,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,640 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 03:24:03,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:24:03,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,663 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:03,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,674 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 03:24:03,677 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 [2024-11-28 03:24:03,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,693 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 03:24:03,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,702 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 03:24:03,705 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 [2024-11-28 03:24:03,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,724 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:03,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,732 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 03:24:03,736 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 [2024-11-28 03:24:03,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,750 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 03:24:03,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,759 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 03:24:03,762 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 [2024-11-28 03:24:03,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 03:24:03,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,794 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 03:24:03,797 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 [2024-11-28 03:24:03,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 03:24:03,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,828 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 03:24:03,830 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 [2024-11-28 03:24:03,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,843 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 03:24:03,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,853 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 03:24:03,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:24:03,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,873 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-28 03:24:03,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,882 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 03:24:03,886 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 [2024-11-28 03:24:03,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,900 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:03,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,908 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 03:24:03,911 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 [2024-11-28 03:24:03,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:03,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:03,932 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 03:24:03,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,949 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 03:24:03,954 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 [2024-11-28 03:24:03,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,969 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:03,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 03:24:03,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,979 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 03:24:03,981 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 [2024-11-28 03:24:03,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:03,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:03,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:03,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:03,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:03,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:03,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:03,996 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 03:24:04,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,010 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 03:24:04,013 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 [2024-11-28 03:24:04,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,028 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-28 03:24:04,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,037 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 03:24:04,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:24:04,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,062 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-28 03:24:04,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,075 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 03:24:04,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:24:04,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-28 03:24:04,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,114 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 03:24:04,116 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 [2024-11-28 03:24:04,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-28 03:24:04,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,152 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 03:24:04,154 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 [2024-11-28 03:24:04,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,168 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-28 03:24:04,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,182 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 03:24:04,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:24:04,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,202 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-28 03:24:04,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,210 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 03:24:04,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:24:04,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 03:24:04,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,244 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 03:24:04,249 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 [2024-11-28 03:24:04,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-28 03:24:04,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,273 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 03:24:04,277 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 [2024-11-28 03:24:04,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,292 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-28 03:24:04,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,300 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 03:24:04,303 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 [2024-11-28 03:24:04,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-28 03:24:04,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,327 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 03:24:04,329 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 [2024-11-28 03:24:04,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,342 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:04,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,350 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-28 03:24:04,353 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 [2024-11-28 03:24:04,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,365 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-28 03:24:04,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,373 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 03:24:04,376 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 [2024-11-28 03:24:04,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,390 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-28 03:24:04,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,398 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-28 03:24:04,400 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 [2024-11-28 03:24:04,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:24:04,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:24:04,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:24:04,413 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-28 03:24:04,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,422 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-28 03:24:04,425 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 [2024-11-28 03:24:04,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,442 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-28 03:24:04,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,453 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-28 03:24:04,455 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 [2024-11-28 03:24:04,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-28 03:24:04,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,480 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-28 03:24:04,482 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 [2024-11-28 03:24:04,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,504 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-28 03:24:04,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,518 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-28 03:24:04,523 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 [2024-11-28 03:24:04,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,544 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:04,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,557 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-28 03:24:04,562 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 [2024-11-28 03:24:04,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,584 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-28 03:24:04,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,598 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-28 03:24:04,606 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 [2024-11-28 03:24:04,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,632 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-28 03:24:04,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,646 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-28 03:24:04,649 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 [2024-11-28 03:24:04,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,666 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-28 03:24:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,675 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-28 03:24:04,677 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 [2024-11-28 03:24:04,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,696 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-28 03:24:04,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,710 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-28 03:24:04,714 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 [2024-11-28 03:24:04,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,739 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:24:04,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-28 03:24:04,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,752 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-28 03:24:04,756 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 [2024-11-28 03:24:04,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:24:04,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:24:04,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:24:04,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:24:04,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:24:04,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:24:04,789 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:24:04,815 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-28 03:24:04,815 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-28 03:24:04,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:24:04,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:04,818 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-28 03:24:04,822 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:24:04,842 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:24:04,843 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:24:04,843 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~i~1#1) = -2*ULTIMATE.start_f_~i~1#1 + 3 Supporting invariants [] [2024-11-28 03:24:04,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-28 03:24:04,875 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2024-11-28 03:24:04,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:04,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:24:04,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:04,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:24:04,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:05,010 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 [2024-11-28 03:24:05,010 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2024-11-28 03:24:05,044 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 44 transitions. Complement of second has 5 states. [2024-11-28 03:24:05,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:24:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2024-11-28 03:24:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2024-11-28 03:24:05,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 3 letters. [2024-11-28 03:24:05,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:24:05,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 18 letters. Loop has 3 letters. [2024-11-28 03:24:05,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:24:05,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-28 03:24:05,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:24:05,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2024-11-28 03:24:05,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:05,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 44 transitions. [2024-11-28 03:24:05,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-11-28 03:24:05,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-11-28 03:24:05,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 44 transitions. [2024-11-28 03:24:05,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:24:05,050 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 44 transitions. [2024-11-28 03:24:05,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 44 transitions. [2024-11-28 03:24:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-28 03:24:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 34 states have internal predecessors, (43), 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) [2024-11-28 03:24:05,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2024-11-28 03:24:05,053 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2024-11-28 03:24:05,053 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 43 transitions. [2024-11-28 03:24:05,053 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 03:24:05,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 43 transitions. [2024-11-28 03:24:05,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:05,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:24:05,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:24:05,054 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:05,054 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:24:05,055 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume !(f_~i~1#1 < 2);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_g } true;g_#in~pointer#1.base, g_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;g_~pointer#1.base, g_~pointer#1.offset := g_#in~pointer#1.base, g_#in~pointer#1.offset;havoc g_~i~2#1;g_~i~2#1 := 0;" [2024-11-28 03:24:05,055 INFO L749 eck$LassoCheckResult]: Loop: "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume !(g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset);havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" [2024-11-28 03:24:05,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:05,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1095704101, now seen corresponding path program 1 times [2024-11-28 03:24:05,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:05,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205603882] [2024-11-28 03:24:05,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:05,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:24:05,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205603882] [2024-11-28 03:24:05,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205603882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:05,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471222980] [2024-11-28 03:24:05,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:05,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:05,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:05,131 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:05,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-28 03:24:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:05,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:24:05,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:05,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:05,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471222980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:24:05,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:24:05,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-28 03:24:05,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076209176] [2024-11-28 03:24:05,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:05,276 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:24:05,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:05,277 INFO L85 PathProgramCache]: Analyzing trace with hash 3052167, now seen corresponding path program 1 times [2024-11-28 03:24:05,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:05,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689227070] [2024-11-28 03:24:05,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:05,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:05,283 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:05,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:05,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:24:05,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:24:05,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:05,372 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-11-28 03:24:05,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:05,435 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2024-11-28 03:24:05,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2024-11-28 03:24:05,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:05,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 48 transitions. [2024-11-28 03:24:05,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-28 03:24:05,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-28 03:24:05,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2024-11-28 03:24:05,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:24:05,437 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-11-28 03:24:05,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2024-11-28 03:24:05,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2024-11-28 03:24:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 37 states have internal predecessors, (46), 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) [2024-11-28 03:24:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2024-11-28 03:24:05,445 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2024-11-28 03:24:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:24:05,446 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 46 transitions. [2024-11-28 03:24:05,446 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 03:24:05,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 46 transitions. [2024-11-28 03:24:05,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:05,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:24:05,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:24:05,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:05,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:24:05,448 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_g } true;g_#in~pointer#1.base, g_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;g_~pointer#1.base, g_~pointer#1.offset := g_#in~pointer#1.base, g_#in~pointer#1.offset;havoc g_~i~2#1;g_~i~2#1 := 0;" [2024-11-28 03:24:05,448 INFO L749 eck$LassoCheckResult]: Loop: "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume !(g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset);havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" [2024-11-28 03:24:05,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:05,449 INFO L85 PathProgramCache]: Analyzing trace with hash -704719942, now seen corresponding path program 1 times [2024-11-28 03:24:05,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:05,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373564377] [2024-11-28 03:24:05,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:05,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-28 03:24:06,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:24:06,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373564377] [2024-11-28 03:24:06,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373564377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:06,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577487523] [2024-11-28 03:24:06,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:06,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:06,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:06,047 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:06,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-28 03:24:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:06,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:24:06,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:06,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:24:06,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:24:06,430 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:06,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-11-28 03:24:06,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-28 03:24:06,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577487523] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:24:06,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:24:06,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-28 03:24:06,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693561020] [2024-11-28 03:24:06,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:06,622 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:24:06,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:06,624 INFO L85 PathProgramCache]: Analyzing trace with hash 3052167, now seen corresponding path program 2 times [2024-11-28 03:24:06,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:06,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883650232] [2024-11-28 03:24:06,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:06,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:06,632 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:06,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:06,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:24:06,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:24:06,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:24:06,707 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. cyclomatic complexity: 12 Second operand has 22 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 21 states have internal predecessors, (48), 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) [2024-11-28 03:24:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:07,133 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2024-11-28 03:24:07,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 64 transitions. [2024-11-28 03:24:07,134 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2024-11-28 03:24:07,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 52 states and 62 transitions. [2024-11-28 03:24:07,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2024-11-28 03:24:07,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2024-11-28 03:24:07,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 62 transitions. [2024-11-28 03:24:07,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:24:07,136 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 62 transitions. [2024-11-28 03:24:07,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 62 transitions. [2024-11-28 03:24:07,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 38. [2024-11-28 03:24:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 37 states have internal predecessors, (45), 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) [2024-11-28 03:24:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2024-11-28 03:24:07,139 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-11-28 03:24:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:24:07,143 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-11-28 03:24:07,144 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 03:24:07,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 45 transitions. [2024-11-28 03:24:07,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:07,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:24:07,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:24:07,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:07,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:24:07,146 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_g } true;g_#in~pointer#1.base, g_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;g_~pointer#1.base, g_~pointer#1.offset := g_#in~pointer#1.base, g_#in~pointer#1.offset;havoc g_~i~2#1;g_~i~2#1 := 0;" [2024-11-28 03:24:07,146 INFO L749 eck$LassoCheckResult]: Loop: "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume !(g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset);havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" [2024-11-28 03:24:07,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:07,147 INFO L85 PathProgramCache]: Analyzing trace with hash -510135791, now seen corresponding path program 1 times [2024-11-28 03:24:07,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:07,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748137314] [2024-11-28 03:24:07,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:07,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:07,197 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:07,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:07,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:07,243 INFO L85 PathProgramCache]: Analyzing trace with hash 3052167, now seen corresponding path program 3 times [2024-11-28 03:24:07,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:07,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708567723] [2024-11-28 03:24:07,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:07,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:07,248 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:07,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:07,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:07,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1856045929, now seen corresponding path program 1 times [2024-11-28 03:24:07,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:07,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907029139] [2024-11-28 03:24:07,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:07,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:08,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:24:08,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907029139] [2024-11-28 03:24:08,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907029139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:08,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757679889] [2024-11-28 03:24:08,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:08,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:08,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:08,845 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:08,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-28 03:24:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:08,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-28 03:24:09,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:09,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:24:09,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:24:09,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:24:09,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-28 03:24:09,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:24:09,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-28 03:24:09,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:24:09,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:24:09,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:09,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-11-28 03:24:09,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-28 03:24:09,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757679889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:24:09,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:24:09,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 27 [2024-11-28 03:24:09,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139744401] [2024-11-28 03:24:09,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:10,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:24:10,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-28 03:24:10,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:24:10,047 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. cyclomatic complexity: 11 Second operand has 27 states, 27 states have (on average 2.5555555555555554) internal successors, (69), 27 states have internal predecessors, (69), 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) [2024-11-28 03:24:10,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:10,776 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2024-11-28 03:24:10,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 55 transitions. [2024-11-28 03:24:10,777 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:10,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 55 transitions. [2024-11-28 03:24:10,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-11-28 03:24:10,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2024-11-28 03:24:10,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 55 transitions. [2024-11-28 03:24:10,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:24:10,778 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 55 transitions. [2024-11-28 03:24:10,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 55 transitions. [2024-11-28 03:24:10,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2024-11-28 03:24:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.170731707317073) internal successors, (48), 40 states have internal predecessors, (48), 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) [2024-11-28 03:24:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-28 03:24:10,781 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-28 03:24:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:24:10,783 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-28 03:24:10,784 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 03:24:10,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 48 transitions. [2024-11-28 03:24:10,784 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:10,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:24:10,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:24:10,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:10,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:24:10,785 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_g } true;g_#in~pointer#1.base, g_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;g_~pointer#1.base, g_~pointer#1.offset := g_#in~pointer#1.base, g_#in~pointer#1.offset;havoc g_~i~2#1;g_~i~2#1 := 0;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;call g_#t~mem8#1 := read~int#2(~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" [2024-11-28 03:24:10,785 INFO L749 eck$LassoCheckResult]: Loop: "assume 1 == g_#t~mem8#1;" "havoc g_#t~mem8#1;call write~int#2(2, ~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;call g_#t~mem8#1 := read~int#2(~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" [2024-11-28 03:24:10,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:10,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1860987785, now seen corresponding path program 1 times [2024-11-28 03:24:10,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:10,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525393067] [2024-11-28 03:24:10,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:10,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:10,840 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:10,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:10,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:10,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1060728106, now seen corresponding path program 1 times [2024-11-28 03:24:10,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:10,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890359394] [2024-11-28 03:24:10,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:10,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:10,893 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:10,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:10,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:10,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1945794252, now seen corresponding path program 1 times [2024-11-28 03:24:10,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:10,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998599776] [2024-11-28 03:24:10,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:10,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:11,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:24:11,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998599776] [2024-11-28 03:24:11,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998599776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:11,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494372596] [2024-11-28 03:24:11,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:11,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:11,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:11,767 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:11,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-28 03:24:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:11,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 03:24:11,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:12,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:24:12,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:12,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-28 03:24:12,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-11-28 03:24:12,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494372596] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:24:12,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:24:12,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 24 [2024-11-28 03:24:12,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768609961] [2024-11-28 03:24:12,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:12,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:24:12,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 03:24:12,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:24:12,771 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. cyclomatic complexity: 11 Second operand has 25 states, 24 states have (on average 2.875) internal successors, (69), 25 states have internal predecessors, (69), 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) [2024-11-28 03:24:13,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:13,391 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2024-11-28 03:24:13,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 64 transitions. [2024-11-28 03:24:13,392 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:13,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 56 states and 64 transitions. [2024-11-28 03:24:13,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2024-11-28 03:24:13,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2024-11-28 03:24:13,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 64 transitions. [2024-11-28 03:24:13,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:24:13,393 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 64 transitions. [2024-11-28 03:24:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 64 transitions. [2024-11-28 03:24:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-28 03:24:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 54 states have internal predecessors, (63), 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) [2024-11-28 03:24:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2024-11-28 03:24:13,397 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 63 transitions. [2024-11-28 03:24:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:24:13,398 INFO L425 stractBuchiCegarLoop]: Abstraction has 55 states and 63 transitions. [2024-11-28 03:24:13,398 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-28 03:24:13,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 63 transitions. [2024-11-28 03:24:13,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:13,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:24:13,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:24:13,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:13,400 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:24:13,400 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" "assume !(f_~i~1#1 < 2);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_g } true;g_#in~pointer#1.base, g_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;g_~pointer#1.base, g_~pointer#1.offset := g_#in~pointer#1.base, g_#in~pointer#1.offset;havoc g_~i~2#1;g_~i~2#1 := 0;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;call g_#t~mem8#1 := read~int#2(~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" [2024-11-28 03:24:13,400 INFO L749 eck$LassoCheckResult]: Loop: "assume 1 == g_#t~mem8#1;" "havoc g_#t~mem8#1;call write~int#2(2, ~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;call g_#t~mem8#1 := read~int#2(~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" [2024-11-28 03:24:13,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:13,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1809129523, now seen corresponding path program 1 times [2024-11-28 03:24:13,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:13,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204570049] [2024-11-28 03:24:13,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:13,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:14,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:24:14,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204570049] [2024-11-28 03:24:14,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204570049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:14,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497649434] [2024-11-28 03:24:14,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:14,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:14,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:14,268 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:14,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-28 03:24:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:14,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 03:24:14,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:14,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:24:14,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:24:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:24:14,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-28 03:24:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:24:14,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-28 03:24:14,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:14,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-11-28 03:24:14,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-28 03:24:15,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497649434] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:24:15,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:24:15,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 24 [2024-11-28 03:24:15,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877330946] [2024-11-28 03:24:15,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:15,038 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:24:15,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:15,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1060728106, now seen corresponding path program 2 times [2024-11-28 03:24:15,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:15,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349346917] [2024-11-28 03:24:15,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:15,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:15,045 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:15,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:15,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:24:15,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:24:15,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:24:15,294 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. cyclomatic complexity: 12 Second operand has 24 states, 24 states have (on average 2.4583333333333335) internal successors, (59), 24 states have internal predecessors, (59), 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) [2024-11-28 03:24:15,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:15,780 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2024-11-28 03:24:15,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 55 transitions. [2024-11-28 03:24:15,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:15,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 48 states and 53 transitions. [2024-11-28 03:24:15,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2024-11-28 03:24:15,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2024-11-28 03:24:15,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 53 transitions. [2024-11-28 03:24:15,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:24:15,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-28 03:24:15,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 53 transitions. [2024-11-28 03:24:15,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-28 03:24:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 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) [2024-11-28 03:24:15,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-11-28 03:24:15,784 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-28 03:24:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:24:15,787 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-28 03:24:15,787 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-28 03:24:15,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 53 transitions. [2024-11-28 03:24:15,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 03:24:15,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:24:15,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:24:15,789 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:15,789 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:24:15,789 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_g } true;g_#in~pointer#1.base, g_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;g_~pointer#1.base, g_~pointer#1.offset := g_#in~pointer#1.base, g_#in~pointer#1.offset;havoc g_~i~2#1;g_~i~2#1 := 0;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;call g_#t~mem8#1 := read~int#2(~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" "assume 1 == g_#t~mem8#1;" "havoc g_#t~mem8#1;call write~int#2(2, ~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume !(g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset);havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" "assume !(g_~i~2#1 < 2);" "havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;havoc g_#in~pointer#1.base, g_#in~pointer#1.offset;assume { :end_inline_g } true;assume { :begin_inline_g } true;g_#in~pointer#1.base, g_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;g_~pointer#1.base, g_~pointer#1.offset := g_#in~pointer#1.base, g_#in~pointer#1.offset;havoc g_~i~2#1;g_~i~2#1 := 0;" [2024-11-28 03:24:15,789 INFO L749 eck$LassoCheckResult]: Loop: "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume !(g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset);havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" [2024-11-28 03:24:15,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:15,789 INFO L85 PathProgramCache]: Analyzing trace with hash -2016494244, now seen corresponding path program 1 times [2024-11-28 03:24:15,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:15,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85845183] [2024-11-28 03:24:15,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:15,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:15,840 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:15,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:15,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:15,883 INFO L85 PathProgramCache]: Analyzing trace with hash 4098823, now seen corresponding path program 1 times [2024-11-28 03:24:15,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:15,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961885375] [2024-11-28 03:24:15,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:15,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:15,887 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:15,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:24:15,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:15,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1567171298, now seen corresponding path program 1 times [2024-11-28 03:24:15,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:24:15,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100042857] [2024-11-28 03:24:15,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:15,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:15,950 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:15,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:27:01,215 WARN L286 SmtUtils]: Spent 2.75m on a formula simplification. DAG size of input: 446 DAG size of output: 372 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-28 03:27:06,087 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:27:06,087 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:27:06,087 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:27:06,087 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:27:06,087 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:27:06,087 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:06,087 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:27:06,088 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:27:06,088 INFO L132 ssoRankerPreferences]: Filename of dumped script: ex3_forlist.i_Iteration10_Lasso [2024-11-28 03:27:06,088 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:27:06,088 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:27:06,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:27:06,965 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:27:06,965 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:27:06,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:06,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:06,971 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:06,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-28 03:27:06,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:27:06,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:06,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:27:06,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:06,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:06,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:06,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:27:06,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:27:06,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:06,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-28 03:27:06,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:06,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:06,997 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:06,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-28 03:27:07,000 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 [2024-11-28 03:27:07,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,016 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-11-28 03:27:07,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,024 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-28 03:27:07,026 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 [2024-11-28 03:27:07,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:07,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,050 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-28 03:27:07,052 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 [2024-11-28 03:27:07,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-28 03:27:07,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,075 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-28 03:27:07,078 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 [2024-11-28 03:27:07,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:07,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,102 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-28 03:27:07,104 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 [2024-11-28 03:27:07,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,127 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-28 03:27:07,130 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 [2024-11-28 03:27:07,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,141 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-11-28 03:27:07,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,156 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-11-28 03:27:07,156 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-11-28 03:27:07,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-28 03:27:07,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,206 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-28 03:27:07,231 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 [2024-11-28 03:27:07,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-28 03:27:07,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,257 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-28 03:27:07,259 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 [2024-11-28 03:27:07,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-28 03:27:07,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,284 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-28 03:27:07,287 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 [2024-11-28 03:27:07,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,304 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-28 03:27:07,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,316 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-28 03:27:07,320 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 [2024-11-28 03:27:07,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,341 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:07,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,348 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-28 03:27:07,350 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 [2024-11-28 03:27:07,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,366 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-11-28 03:27:07,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,373 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-28 03:27:07,375 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 [2024-11-28 03:27:07,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,391 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-11-28 03:27:07,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,399 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-28 03:27:07,401 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 [2024-11-28 03:27:07,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,417 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-28 03:27:07,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,425 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-28 03:27:07,427 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 [2024-11-28 03:27:07,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,444 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-28 03:27:07,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,453 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-28 03:27:07,455 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 [2024-11-28 03:27:07,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,471 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:27:07,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-11-28 03:27:07,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,479 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-28 03:27:07,481 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 [2024-11-28 03:27:07,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:27:07,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:27:07,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:27:07,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:27:07,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:27:07,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:27:07,508 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:27:07,527 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-28 03:27:07,527 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-28 03:27:07,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:27:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,531 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-11-28 03:27:07,533 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:27:07,547 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:27:07,547 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:27:07,547 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_g_~i~2#1, v_rep(select #length ~#pp~0.base)_3) = -8*ULTIMATE.start_g_~i~2#1 + 3*v_rep(select #length ~#pp~0.base)_3 Supporting invariants [] [2024-11-28 03:27:07,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2024-11-28 03:27:07,573 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2024-11-28 03:27:07,574 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-28 03:27:07,574 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-28 03:27:07,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:07,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:27:07,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:07,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:27:07,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:27:07,792 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 03:27:07,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 53 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-28 03:27:07,832 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 53 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 54 states and 61 transitions. Complement of second has 6 states. [2024-11-28 03:27:07,833 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 [2024-11-28 03:27:07,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-28 03:27:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2024-11-28 03:27:07,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 34 letters. Loop has 4 letters. [2024-11-28 03:27:07,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:27:07,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 38 letters. Loop has 4 letters. [2024-11-28 03:27:07,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:27:07,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 34 letters. Loop has 8 letters. [2024-11-28 03:27:07,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:27:07,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2024-11-28 03:27:07,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:27:07,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 41 states and 43 transitions. [2024-11-28 03:27:07,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2024-11-28 03:27:07,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2024-11-28 03:27:07,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 43 transitions. [2024-11-28 03:27:07,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:27:07,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-11-28 03:27:07,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 43 transitions. [2024-11-28 03:27:07,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-28 03:27:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.048780487804878) internal successors, (43), 40 states have internal predecessors, (43), 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) [2024-11-28 03:27:07,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2024-11-28 03:27:07,839 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-11-28 03:27:07,839 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-11-28 03:27:07,840 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-28 03:27:07,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 43 transitions. [2024-11-28 03:27:07,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:27:07,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:27:07,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:27:07,841 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:07,841 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:27:07,841 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(8, 4);~#pp~0.base, ~#pp~0.offset := 4, 0;call write~init~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);call #Ultimate.allocInit(8, 5);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call write~init~int#2(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int#2(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume init_~i~0#1 < 2;" "call write~$Pointer$#1(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int#2(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4);init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1;" "assume !(init_~i~0#1 < 2);" "havoc init_#t~post4#1, init_~i~0#1;assume { :end_inline_init } true;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret11#1.base, main_#t~ret11#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~a~0#1.base, main_~a~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_fake_malloc } true;fake_malloc_#in~size#1 := 4;havoc fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;fake_malloc_~size#1 := fake_malloc_#in~size#1;fake_malloc_#t~post10#1 := ~counter~0;~counter~0 := 1 + fake_malloc_#t~post10#1;fake_malloc_#res#1.base, fake_malloc_#res#1.offset := 0, fake_malloc_#t~post10#1;havoc fake_malloc_#t~post10#1;" "main_#t~ret12#1.base, main_#t~ret12#1.offset := fake_malloc_#res#1.base, fake_malloc_#res#1.offset;havoc fake_malloc_#t~post10#1, fake_malloc_~size#1;havoc fake_malloc_#in~size#1;assume { :end_inline_fake_malloc } true;main_~b~0#1.base, main_~b~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;" "assume !((main_~a~0#1.base == 0 && main_~a~0#1.offset == 0) || (main_~b~0#1.base == 0 && main_~b~0#1.offset == 0));assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_f } true;f_#in~pointer#1.base, f_#in~pointer#1.offset := main_~b~0#1.base, main_~b~0#1.offset;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;f_~pointer#1.base, f_~pointer#1.offset := f_#in~pointer#1.base, f_#in~pointer#1.offset;havoc f_~i~1#1;f_~i~1#1 := 0;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume !(f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0);havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;f_#t~post6#1 := f_~i~1#1;f_~i~1#1 := 1 + f_#t~post6#1;havoc f_#t~post6#1;" "assume f_~i~1#1 < 2;" "call f_#t~mem5#1.base, f_#t~mem5#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);" "assume f_#t~mem5#1.base == 0 && f_#t~mem5#1.offset == 0;havoc f_#t~mem5#1.base, f_#t~mem5#1.offset;call write~$Pointer$#1(f_~pointer#1.base, f_~pointer#1.offset, ~#pp~0.base, ~#pp~0.offset + 4 * f_~i~1#1, 4);call write~int#2(1, ~#pstate~0.base, ~#pstate~0.offset + 4 * f_~i~1#1, 4);" "havoc f_#t~mem5#1.base, f_#t~mem5#1.offset, f_#t~post6#1, f_~pointer#1.base, f_~pointer#1.offset, f_~i~1#1;havoc f_#in~pointer#1.base, f_#in~pointer#1.offset;assume { :end_inline_f } true;assume { :begin_inline_g } true;g_#in~pointer#1.base, g_#in~pointer#1.offset := main_~a~0#1.base, main_~a~0#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset, g_#t~mem8#1, g_#t~post9#1, g_~pointer#1.base, g_~pointer#1.offset, g_~i~2#1;g_~pointer#1.base, g_~pointer#1.offset := g_#in~pointer#1.base, g_#in~pointer#1.offset;havoc g_~i~2#1;g_~i~2#1 := 0;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset;havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;call g_#t~mem8#1 := read~int#2(~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" "assume 1 == g_#t~mem8#1;" "havoc g_#t~mem8#1;call write~int#2(2, ~#pstate~0.base, ~#pstate~0.offset + 4 * g_~i~2#1, 4);" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume !(g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset);havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;" "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume !(g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset);havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;" [2024-11-28 03:27:07,841 INFO L749 eck$LassoCheckResult]: Loop: "g_#t~post9#1 := g_~i~2#1;g_~i~2#1 := 1 + g_#t~post9#1;havoc g_#t~post9#1;" "assume g_~i~2#1 < 2;" "call g_#t~mem7#1.base, g_#t~mem7#1.offset := read~$Pointer$#1(~#pp~0.base, ~#pp~0.offset + 4 * g_~i~2#1, 4);" "assume !(g_#t~mem7#1.base == g_~pointer#1.base && g_#t~mem7#1.offset == g_~pointer#1.offset);havoc g_#t~mem7#1.base, g_#t~mem7#1.offset;" [2024-11-28 03:27:07,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:07,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1913185301, now seen corresponding path program 1 times [2024-11-28 03:27:07,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:27:07,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295171990] [2024-11-28 03:27:07,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:07,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:07,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:27:07,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295171990] [2024-11-28 03:27:07,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295171990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:27:07,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572612111] [2024-11-28 03:27:07,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:07,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:07,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:07,939 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:27:07,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-11-28 03:27:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:08,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:27:08,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:08,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:27:08,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572612111] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:27:08,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:27:08,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-28 03:27:08,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060051345] [2024-11-28 03:27:08,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:27:08,188 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:27:08,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:08,189 INFO L85 PathProgramCache]: Analyzing trace with hash 3762747, now seen corresponding path program 4 times [2024-11-28 03:27:08,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:27:08,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848805266] [2024-11-28 03:27:08,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:27:08,197 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:27:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:27:08,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:27:08,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:27:08,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:27:08,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:27:08,278 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. cyclomatic complexity: 4 Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-11-28 03:27:08,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:08,309 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2024-11-28 03:27:08,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 33 transitions. [2024-11-28 03:27:08,309 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:27:08,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2024-11-28 03:27:08,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 03:27:08,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 03:27:08,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 03:27:08,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:27:08,310 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:27:08,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:27:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:27:08,311 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:27:08,311 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-28 03:27:08,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:27:08,311 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:27:08,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 03:27:08,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:27:08 BoogieIcfgContainer [2024-11-28 03:27:08,323 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:27:08,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:27:08,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:27:08,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:27:08,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:30" (3/4) ... [2024-11-28 03:27:08,327 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:27:08,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:27:08,329 INFO L158 Benchmark]: Toolchain (without parser) took 218977.26ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 104.1MB in the beginning and 407.5MB in the end (delta: -303.4MB). Peak memory consumption was 127.1MB. Max. memory is 16.1GB. [2024-11-28 03:27:08,330 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:27:08,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.67ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 92.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:27:08,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.39ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:27:08,331 INFO L158 Benchmark]: Boogie Preprocessor took 68.63ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:27:08,332 INFO L158 Benchmark]: RCFGBuilder took 656.52ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 71.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:27:08,332 INFO L158 Benchmark]: BuchiAutomizer took 217929.38ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 71.2MB in the beginning and 407.7MB in the end (delta: -336.5MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2024-11-28 03:27:08,332 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 570.4MB. Free memory was 407.7MB in the beginning and 407.5MB in the end (delta: 175.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:27:08,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.67ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 92.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.39ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.63ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 656.52ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 71.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 217929.38ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 71.2MB in the beginning and 407.7MB in the end (delta: -336.5MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 570.4MB. Free memory was 407.7MB in the beginning and 407.5MB in the end (delta: 175.2kB). 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: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (8 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 3) and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. 8 modules have a trivial ranking function, the largest among these consists of 27 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 217.8s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 214.2s. Construction of modules took 1.5s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 25 StatesRemovedByMinimization, 5 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, 397 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 394 mSDsluCounter, 1435 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1199 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1539 IncrementalHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 236 mSDtfsCounter, 1539 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU5 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital306 mio100 ax100 hnf100 lsp69 ukn65 mio100 lsp36 div100 bol100 ite100 ukn100 eq165 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 72ms VariablesStem: 4 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 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! [2024-11-28 03:27:08,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:08,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-11-28 03:27:08,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2024-11-28 03:27:08,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:09,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:09,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-11-28 03:27:09,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-11-28 03:27:09,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:09,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 03:27:10,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de540c0-05ee-4a06-bca1-48aeadef8b76/bin/uautomizer-verify-aQ6SnzHsRB/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