./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/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_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/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 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:42:40,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:42:40,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 03:42:40,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:42:40,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:42:40,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:42:40,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:42:40,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:42:40,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:42:40,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:42:40,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:42:40,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:42:40,400 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:42:40,401 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:42:40,401 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:42:40,401 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:42:40,401 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:42:40,401 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:42:40,402 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:42:40,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:42:40,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:42:40,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:42:40,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:42:40,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:42:40,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:42:40,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:42:40,403 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:42:40,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:42:40,403 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:42:40,404 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:42:40,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:42:40,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:42:40,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:42:40,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:42:40,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:42:40,405 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:42:40,405 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_1baba5fa-5e87-4263-b1a3-e087524e00d4/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2024-11-28 03:42:40,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:42:40,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:42:40,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:42:40,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:42:40,720 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:42:40,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2024-11-28 03:42:43,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/data/883e6986f/b6fd7ae184d24b9381d70edb88e81821/FLAGb3f22c3c5 [2024-11-28 03:42:44,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:42:44,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2024-11-28 03:42:44,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/data/883e6986f/b6fd7ae184d24b9381d70edb88e81821/FLAGb3f22c3c5 [2024-11-28 03:42:44,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/data/883e6986f/b6fd7ae184d24b9381d70edb88e81821 [2024-11-28 03:42:44,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:42:44,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:42:44,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:42:44,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:42:44,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:42:44,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8e95ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44, skipping insertion in model container [2024-11-28 03:42:44,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:42:44,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:42:44,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:42:44,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:42:44,840 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:42:44,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44 WrapperNode [2024-11-28 03:42:44,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:42:44,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:42:44,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:42:44,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:42:44,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,884 INFO L138 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-11-28 03:42:44,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:42:44,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:42:44,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:42:44,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:42:44,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,927 INFO L175 MemorySlicer]: Split 15 memory accesses to 4 slices as follows [4, 3, 4, 4]. 27 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 11 writes are split as follows [3, 2, 3, 3]. [2024-11-28 03:42:44,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,941 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:42:44,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:42:44,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:42:44,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:42:44,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (1/1) ... [2024-11-28 03:42:44,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:44,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:44,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:44,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:42:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:42:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:42:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:42:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:42:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:42:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:42:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:42:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:42:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:42:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:42:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:42:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:42:45,098 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:42:45,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:42:45,281 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-28 03:42:45,281 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:42:45,292 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:42:45,292 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:42:45,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:45 BoogieIcfgContainer [2024-11-28 03:42:45,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:42:45,294 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:42:45,294 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:42:45,301 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:42:45,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:42:45,302 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:42:44" (1/3) ... [2024-11-28 03:42:45,304 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2483536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:42:45, skipping insertion in model container [2024-11-28 03:42:45,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:42:45,304 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:44" (2/3) ... [2024-11-28 03:42:45,304 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2483536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:42:45, skipping insertion in model container [2024-11-28 03:42:45,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:42:45,305 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:45" (3/3) ... [2024-11-28 03:42:45,306 INFO L363 chiAutomizerObserver]: Analyzing ICFG 4BitCounterPointer.c [2024-11-28 03:42:45,373 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:42:45,374 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:42:45,374 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:42:45,374 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:42:45,374 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:42:45,374 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:42:45,374 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:42:45,375 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:42:45,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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 03:42:45,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:42:45,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:42:45,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:42:45,411 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:42:45,411 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:42:45,411 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:42:45,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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 03:42:45,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:42:45,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:42:45,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:42:45,415 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:42:45,415 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:42:45,423 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" [2024-11-28 03:42:45,424 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" [2024-11-28 03:42:45,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:45,433 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 03:42:45,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:45,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941123269] [2024-11-28 03:42:45,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:45,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:45,704 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:45,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:45,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:45,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1111335, now seen corresponding path program 1 times [2024-11-28 03:42:45,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:45,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910797626] [2024-11-28 03:42:45,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:45,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:45,826 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:45,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:45,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:45,844 INFO L85 PathProgramCache]: Analyzing trace with hash 889538537, now seen corresponding path program 1 times [2024-11-28 03:42:45,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:45,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341586393] [2024-11-28 03:42:45,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:45,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:45,960 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:46,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:48,539 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:42:48,540 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:42:48,540 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:42:48,540 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:42:48,540 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:42:48,540 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:48,541 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:42:48,541 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:42:48,541 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration1_Lasso [2024-11-28 03:42:48,541 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:42:48,541 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:42:48,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:48,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:48,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:49,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:49,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:49,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:50,106 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:42:50,111 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:42:50,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 03:42:50,121 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 03:42:50,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:42:50,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:42:50,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:42:50,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 03:42:50,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 03:42:50,168 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 03:42:50,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:42:50,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:42:50,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:42:50,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 03:42:50,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,213 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 03:42:50,216 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 03:42:50,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 03:42:50,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:42:50,281 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 03:42:50,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:50,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 03:42:50,333 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 03:42:50,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,363 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 03:42:50,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,375 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 03:42:50,379 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 03:42:50,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,412 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 03:42:50,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 03:42:50,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:42:50,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,453 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 03:42:50,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,466 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 03:42:50,472 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 03:42:50,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,499 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:50,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,513 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 03:42:50,516 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 03:42:50,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,541 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 03:42:50,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,554 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 03:42:50,559 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 03:42:50,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,607 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:50,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,620 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 03:42:50,626 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 03:42:50,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,650 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 03:42:50,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,665 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,669 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 03:42:50,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 03:42:50,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,700 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:50,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,715 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 03:42:50,719 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 03:42:50,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,748 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 03:42:50,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,763 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 03:42:50,768 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 03:42:50,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,800 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 03:42:50,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,815 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 03:42:50,821 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 03:42:50,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,861 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:50,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,876 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 03:42:50,881 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 03:42:50,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:50,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 03:42:50,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,923 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 03:42:50,928 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 03:42:50,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:50,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:50,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:50,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:50,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:50,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:50,961 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:42:50,979 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 03:42:50,983 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-11-28 03:42:50,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:50,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:50,990 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:50,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 03:42:50,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:42:51,014 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:42:51,014 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:42:51,015 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_1) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_1 + 1 Supporting invariants [] [2024-11-28 03:42:51,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:51,232 INFO L156 tatePredicateManager]: 34 out of 34 supporting invariants were superfluous and have been removed [2024-11-28 03:42:51,240 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-28 03:42:51,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-28 03:42:51,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x0~0!base,]]] [2024-11-28 03:42:51,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:51,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:42:51,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:51,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:42:51,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:51,362 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 03:42:51,399 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 03:42:51,401 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:42:51,475 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 36 transitions. Complement of second has 8 states. [2024-11-28 03:42:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:42:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:42:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 03:42:51,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 03:42:51,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:42:51,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 03:42:51,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:42:51,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-28 03:42:51,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:42:51,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2024-11-28 03:42:51,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:42:51,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 16 states and 21 transitions. [2024-11-28 03:42:51,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-28 03:42:51,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-28 03:42:51,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2024-11-28 03:42:51,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:42:51,507 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-28 03:42:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2024-11-28 03:42:51,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-28 03:42:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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 03:42:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-11-28 03:42:51,540 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-28 03:42:51,540 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-28 03:42:51,540 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:42:51,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-11-28 03:42:51,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:42:51,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:42:51,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:42:51,542 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:42:51,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 03:42:51,543 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" [2024-11-28 03:42:51,543 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" [2024-11-28 03:42:51,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:51,544 INFO L85 PathProgramCache]: Analyzing trace with hash 889538539, now seen corresponding path program 1 times [2024-11-28 03:42:51,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:51,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065741035] [2024-11-28 03:42:51,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:51,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:51,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 03:42:51,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:42:51,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065741035] [2024-11-28 03:42:51,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065741035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:42:51,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723116874] [2024-11-28 03:42:51,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:51,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:42:51,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:51,889 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:42:51,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 03:42:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:51,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:42:51,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:51,984 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 03:42:52,000 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:42:52,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723116874] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:42:52,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:42:52,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:42:52,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705347518] [2024-11-28 03:42:52,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:42:52,019 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:42:52,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:52,019 INFO L85 PathProgramCache]: Analyzing trace with hash 48210908, now seen corresponding path program 1 times [2024-11-28 03:42:52,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:52,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258159007] [2024-11-28 03:42:52,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:52,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:52,027 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:52,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:52,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:42:52,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:42:52,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:42:52,215 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:42:52,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:42:52,250 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-11-28 03:42:52,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2024-11-28 03:42:52,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-28 03:42:52,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 23 states and 27 transitions. [2024-11-28 03:42:52,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-28 03:42:52,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-28 03:42:52,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2024-11-28 03:42:52,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:42:52,252 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-28 03:42:52,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2024-11-28 03:42:52,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2024-11-28 03:42:52,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.2) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:42:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2024-11-28 03:42:52,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-11-28 03:42:52,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:42:52,259 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-11-28 03:42:52,259 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:42:52,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2024-11-28 03:42:52,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-28 03:42:52,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:42:52,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:42:52,262 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-28 03:42:52,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1] [2024-11-28 03:42:52,262 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" [2024-11-28 03:42:52,262 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" [2024-11-28 03:42:52,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:52,263 INFO L85 PathProgramCache]: Analyzing trace with hash 534776081, now seen corresponding path program 1 times [2024-11-28 03:42:52,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:52,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115103473] [2024-11-28 03:42:52,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:52,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:52,314 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:52,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:52,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:52,334 INFO L85 PathProgramCache]: Analyzing trace with hash -2141649790, now seen corresponding path program 1 times [2024-11-28 03:42:52,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17667292] [2024-11-28 03:42:52,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:52,342 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:52,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:52,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:52,353 INFO L85 PathProgramCache]: Analyzing trace with hash 369765746, now seen corresponding path program 1 times [2024-11-28 03:42:52,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:52,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616664707] [2024-11-28 03:42:52,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:52,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:52,393 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:52,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:54,020 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:42:54,020 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:42:54,021 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:42:54,021 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:42:54,021 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:42:54,021 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:54,021 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:42:54,021 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:42:54,021 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration3_Lasso [2024-11-28 03:42:54,021 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:42:54,021 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:42:54,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:54,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:54,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:54,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:55,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:55,589 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:42:55,590 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:42:55,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,597 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 03:42:55,600 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 03:42:55,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:42:55,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:42:55,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:42:55,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 03:42:55,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,625 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 03:42:55,628 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 03:42:55,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:42:55,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:42:55,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:42:55,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 03:42:55,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,657 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 03:42:55,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:42:55,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:42:55,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:42:55,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:42:55,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 03:42:55,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,692 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 03:42:55,699 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 03:42:55,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:55,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:55,722 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 03:42:55,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,736 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 03:42:55,743 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 03:42:55,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:55,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:55,791 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 03:42:55,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,800 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 03:42:55,802 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 03:42:55,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:55,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:55,836 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:55,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,850 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 03:42:55,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:42:55,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:55,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:55,877 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 03:42:55,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,889 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:42:55,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 03:42:55,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:55,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:55,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 03:42:55,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,942 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 03:42:55,947 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 03:42:55,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:55,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:55,968 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:55,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 03:42:55,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:55,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:55,978 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:55,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 03:42:55,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:42:55,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:55,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:55,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:55,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:55,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:55,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:56,000 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:56,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-28 03:42:56,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:56,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:56,008 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:56,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 03:42:56,010 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 03:42:56,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:56,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:56,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:56,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:56,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:56,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:56,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:56,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-28 03:42:56,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:56,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:56,038 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:56,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 03:42:56,041 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 03:42:56,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:56,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:56,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:56,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:56,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:56,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:56,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:56,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 03:42:56,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:56,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:56,071 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:56,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 03:42:56,075 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 03:42:56,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:56,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:56,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:56,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:56,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:56,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:56,096 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:56,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 03:42:56,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:56,108 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:56,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 03:42:56,111 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 03:42:56,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:56,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:56,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:56,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:56,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:56,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:56,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:56,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 03:42:56,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:56,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:56,155 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:56,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 03:42:56,160 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 03:42:56,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:56,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:56,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:56,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:56,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:56,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:56,194 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:42:56,221 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-28 03:42:56,222 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-28 03:42:56,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:56,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:56,228 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:56,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 03:42:56,231 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:42:56,250 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:42:56,250 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:42:56,250 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem6#1) = -2*ULTIMATE.start_main_#t~mem6#1 + 1 Supporting invariants [] [2024-11-28 03:42:56,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-28 03:42:56,459 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2024-11-28 03:42:56,461 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem6 [2024-11-28 03:42:56,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:56,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:42:56,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:56,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:42:56,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:56,571 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 03:42:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:42:56,633 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 03:42:56,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:42:56,660 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 5 states. [2024-11-28 03:42:56,661 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 03:42:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:42:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-28 03:42:56,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 9 letters. [2024-11-28 03:42:56,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:42:56,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 19 letters. Loop has 9 letters. [2024-11-28 03:42:56,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:42:56,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 18 letters. [2024-11-28 03:42:56,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:42:56,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2024-11-28 03:42:56,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-11-28 03:42:56,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2024-11-28 03:42:56,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2024-11-28 03:42:56,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2024-11-28 03:42:56,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2024-11-28 03:42:56,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:42:56,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2024-11-28 03:42:56,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2024-11-28 03:42:56,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2024-11-28 03:42:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 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 03:42:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2024-11-28 03:42:56,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 43 transitions. [2024-11-28 03:42:56,676 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2024-11-28 03:42:56,677 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 03:42:56,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2024-11-28 03:42:56,678 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-11-28 03:42:56,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:42:56,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:42:56,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:42:56,679 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:42:56,679 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" [2024-11-28 03:42:56,679 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" [2024-11-28 03:42:56,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:56,680 INFO L85 PathProgramCache]: Analyzing trace with hash -601810652, now seen corresponding path program 2 times [2024-11-28 03:42:56,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:56,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686180152] [2024-11-28 03:42:56,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:56,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:56,718 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:56,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:56,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:56,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1111335, now seen corresponding path program 2 times [2024-11-28 03:42:56,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:56,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073697406] [2024-11-28 03:42:56,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:56,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:56,754 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:56,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:56,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:56,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1173013706, now seen corresponding path program 3 times [2024-11-28 03:42:56,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:42:56,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191392380] [2024-11-28 03:42:56,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:56,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:56,813 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:42:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:42:56,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:42:58,133 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:42:58,134 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:42:58,134 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:42:58,134 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:42:58,134 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:42:58,134 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:58,134 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:42:58,134 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:42:58,134 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration4_Lasso [2024-11-28 03:42:58,134 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:42:58,134 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:42:58,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:58,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-28 03:42:58,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:58,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:58,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:58,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:58,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:42:59,285 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:42:59,285 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:42:59,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,288 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 03:42:59,295 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 03:42:59,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:59,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,325 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 03:42:59,328 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 03:42:59,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-28 03:42:59,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,362 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 03:42:59,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:42:59,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,387 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-28 03:42:59,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,396 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 03:42:59,399 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 03:42:59,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-28 03:42:59,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,431 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 03:42:59,434 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 03:42:59,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 03:42:59,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,472 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 03:42:59,476 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 03:42:59,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,509 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-28 03:42:59,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,517 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 03:42:59,519 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 03:42:59,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,542 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-28 03:42:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,554 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 03:42:59,558 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 03:42:59,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-28 03:42:59,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,585 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 03:42:59,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:42:59,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,603 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-28 03:42:59,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,610 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-28 03:42:59,613 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 03:42:59,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,630 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:59,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,642 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 03:42:59,646 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 03:42:59,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,662 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-28 03:42:59,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,670 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-28 03:42:59,672 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 03:42:59,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,688 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-28 03:42:59,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,696 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-28 03:42:59,700 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 03:42:59,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,722 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-28 03:42:59,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,731 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-28 03:42:59,734 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 03:42:59,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:42:59,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-28 03:42:59,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,770 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-28 03:42:59,775 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 03:42:59,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:42:59,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:42:59,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:42:59,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:42:59,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:42:59,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:42:59,803 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:42:59,816 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 03:42:59,816 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-28 03:42:59,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:42:59,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:59,818 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:59,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-28 03:42:59,825 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:42:59,838 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:42:59,838 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:42:59,838 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x0~0#1.base) 0)_2) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x0~0#1.base) 0)_2 + 1 Supporting invariants [] [2024-11-28 03:42:59,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-28 03:42:59,996 INFO L156 tatePredicateManager]: 35 out of 36 supporting invariants were superfluous and have been removed [2024-11-28 03:42:59,999 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-28 03:42:59,999 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-28 03:43:00,000 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x0~0!base,]]] [2024-11-28 03:43:00,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:00,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:43:00,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:00,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:43:00,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:00,206 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 03:43:00,206 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-28 03:43:00,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 03:43:00,285 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 80 states and 95 transitions. Complement of second has 8 states. [2024-11-28 03:43:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:43:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 03:43:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-28 03:43:00,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-28 03:43:00,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:43:00,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2024-11-28 03:43:00,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:43:00,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 8 letters. [2024-11-28 03:43:00,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:43:00,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 95 transitions. [2024-11-28 03:43:00,298 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2024-11-28 03:43:00,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 66 states and 79 transitions. [2024-11-28 03:43:00,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2024-11-28 03:43:00,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2024-11-28 03:43:00,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 79 transitions. [2024-11-28 03:43:00,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:43:00,300 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 79 transitions. [2024-11-28 03:43:00,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 79 transitions. [2024-11-28 03:43:00,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 60. [2024-11-28 03:43:00,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 59 states have internal predecessors, (73), 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 03:43:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2024-11-28 03:43:00,308 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 73 transitions. [2024-11-28 03:43:00,308 INFO L425 stractBuchiCegarLoop]: Abstraction has 60 states and 73 transitions. [2024-11-28 03:43:00,308 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 03:43:00,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 73 transitions. [2024-11-28 03:43:00,312 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2024-11-28 03:43:00,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:43:00,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:43:00,313 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:43:00,313 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-28 03:43:00,313 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-11-28 03:43:00,313 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-11-28 03:43:00,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:00,314 INFO L85 PathProgramCache]: Analyzing trace with hash -601810650, now seen corresponding path program 1 times [2024-11-28 03:43:00,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:00,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229196289] [2024-11-28 03:43:00,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:00,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:00,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:43:00,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229196289] [2024-11-28 03:43:00,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229196289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:43:00,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643365797] [2024-11-28 03:43:00,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:00,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:43:00,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:00,495 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:43:00,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-28 03:43:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:00,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:43:00,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:00,593 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 03:43:00,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:43:00,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643365797] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:43:00,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:43:00,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:43:00,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593302737] [2024-11-28 03:43:00,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:43:00,643 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:43:00,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:00,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1345765744, now seen corresponding path program 1 times [2024-11-28 03:43:00,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:00,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405869670] [2024-11-28 03:43:00,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:00,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:00,653 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:43:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:00,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:43:01,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:43:01,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:43:01,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:43:01,134 INFO L87 Difference]: Start difference. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:43:01,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:01,160 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2024-11-28 03:43:01,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 60 transitions. [2024-11-28 03:43:01,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2024-11-28 03:43:01,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 60 transitions. [2024-11-28 03:43:01,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-28 03:43:01,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-28 03:43:01,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 60 transitions. [2024-11-28 03:43:01,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:43:01,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 60 transitions. [2024-11-28 03:43:01,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 60 transitions. [2024-11-28 03:43:01,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-28 03:43:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 50 states have internal predecessors, (60), 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 03:43:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2024-11-28 03:43:01,168 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 60 transitions. [2024-11-28 03:43:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:43:01,171 INFO L425 stractBuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2024-11-28 03:43:01,171 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 03:43:01,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 60 transitions. [2024-11-28 03:43:01,172 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2024-11-28 03:43:01,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:43:01,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:43:01,173 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 2, 2, 2, 1, 1] [2024-11-28 03:43:01,173 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:43:01,173 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" [2024-11-28 03:43:01,173 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" [2024-11-28 03:43:01,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:01,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1422163741, now seen corresponding path program 4 times [2024-11-28 03:43:01,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:01,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274587064] [2024-11-28 03:43:01,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:01,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:01,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-28 03:43:01,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:43:01,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274587064] [2024-11-28 03:43:01,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274587064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:43:01,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724739593] [2024-11-28 03:43:01,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:01,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:43:01,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:01,474 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:43:01,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-28 03:43:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:01,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:43:01,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:01,603 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 03:43:01,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:43:01,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724739593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:43:01,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:43:01,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2024-11-28 03:43:01,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052619024] [2024-11-28 03:43:01,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:43:01,694 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:43:01,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:01,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1111335, now seen corresponding path program 3 times [2024-11-28 03:43:01,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:01,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998066026] [2024-11-28 03:43:01,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:01,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:01,700 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:43:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:01,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:43:01,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:43:01,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:43:01,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:43:01,796 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. cyclomatic complexity: 14 Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 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 03:43:01,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:01,900 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2024-11-28 03:43:01,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 46 transitions. [2024-11-28 03:43:01,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2024-11-28 03:43:01,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 39 states and 40 transitions. [2024-11-28 03:43:01,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2024-11-28 03:43:01,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-11-28 03:43:01,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 40 transitions. [2024-11-28 03:43:01,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:43:01,903 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 40 transitions. [2024-11-28 03:43:01,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 40 transitions. [2024-11-28 03:43:01,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 21. [2024-11-28 03:43:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 20 states have internal predecessors, (22), 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 03:43:01,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-28 03:43:01,905 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-28 03:43:01,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:43:01,906 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-28 03:43:01,907 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 03:43:01,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 22 transitions. [2024-11-28 03:43:01,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2024-11-28 03:43:01,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:43:01,907 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:43:01,908 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:43:01,908 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 2, 2, 1, 1, 1] [2024-11-28 03:43:01,908 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" [2024-11-28 03:43:01,908 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-11-28 03:43:01,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:01,908 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-28 03:43:01,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:01,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132537304] [2024-11-28 03:43:01,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:01,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:01,931 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:43:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:01,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:43:01,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:01,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1309477591, now seen corresponding path program 1 times [2024-11-28 03:43:01,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:01,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302104879] [2024-11-28 03:43:01,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:01,961 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:43:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:01,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:43:01,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:01,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1137402923, now seen corresponding path program 1 times [2024-11-28 03:43:01,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:01,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891058499] [2024-11-28 03:43:01,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:01,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:02,003 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:43:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:02,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:43:03,491 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:43:03,492 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:43:03,492 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:43:03,492 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:43:03,492 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:43:03,492 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:43:03,492 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:43:03,492 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:43:03,492 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration7_Lasso [2024-11-28 03:43:03,492 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:43:03,492 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:43:03,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:43:03,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:43:04,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:43:04,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:43:04,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:43:04,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:43:04,671 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:43:04,671 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:43:04,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:43:04,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:04,676 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:43:04,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-28 03:43:04,678 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 03:43:04,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:43:04,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:43:04,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:43:04,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:43:04,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:43:04,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:43:04,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:43:04,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:43:04,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-28 03:43:04,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:43:04,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:04,699 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:43:04,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-28 03:43:04,702 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 03:43:04,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:43:04,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:43:04,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:43:04,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:43:04,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:43:04,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:43:04,727 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:43:04,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-28 03:43:04,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:43:04,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:04,735 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:43:04,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-28 03:43:04,737 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 03:43:04,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:43:04,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:43:04,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:43:04,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:43:04,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:43:04,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:43:04,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:43:04,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-28 03:43:04,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:43:04,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:04,765 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:43:04,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-28 03:43:04,767 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 03:43:04,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:43:04,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:43:04,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:43:04,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:43:04,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:43:04,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:43:04,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:43:04,791 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 03:43:04,792 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:43:04,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:43:04,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:04,793 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:43:04,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-28 03:43:04,796 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:43:04,807 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:43:04,807 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:43:04,807 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_4) = -2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_4 + 1 Supporting invariants [] [2024-11-28 03:43:04,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-28 03:43:04,952 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2024-11-28 03:43:04,954 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-28 03:43:04,954 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-28 03:43:04,954 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~x2~0!base,]]] [2024-11-28 03:43:04,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:04,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:43:04,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:05,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:43:05,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-28 03:43:05,096 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 03:43:05,097 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 03:43:05,124 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) Result 59 states and 62 transitions. Complement of second has 7 states. [2024-11-28 03:43:05,125 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 03:43:05,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 03:43:05,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-11-28 03:43:05,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 19 letters. [2024-11-28 03:43:05,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:43:05,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 21 letters. Loop has 19 letters. [2024-11-28 03:43:05,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:43:05,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 38 letters. [2024-11-28 03:43:05,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:43:05,129 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 62 transitions. [2024-11-28 03:43:05,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2024-11-28 03:43:05,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 62 transitions. [2024-11-28 03:43:05,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2024-11-28 03:43:05,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2024-11-28 03:43:05,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 62 transitions. [2024-11-28 03:43:05,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:43:05,134 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 62 transitions. [2024-11-28 03:43:05,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 62 transitions. [2024-11-28 03:43:05,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-28 03:43:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 58 states have internal predecessors, (62), 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 03:43:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2024-11-28 03:43:05,141 INFO L240 hiAutomatonCegarLoop]: Abstraction has 59 states and 62 transitions. [2024-11-28 03:43:05,141 INFO L425 stractBuchiCegarLoop]: Abstraction has 59 states and 62 transitions. [2024-11-28 03:43:05,141 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 03:43:05,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 62 transitions. [2024-11-28 03:43:05,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2024-11-28 03:43:05,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:43:05,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:43:05,142 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:43:05,142 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 2, 2, 1, 1, 1] [2024-11-28 03:43:05,142 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" [2024-11-28 03:43:05,142 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-11-28 03:43:05,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:05,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1137402921, now seen corresponding path program 1 times [2024-11-28 03:43:05,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:05,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46731207] [2024-11-28 03:43:05,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:05,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:05,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:43:05,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46731207] [2024-11-28 03:43:05,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46731207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:43:05,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250166071] [2024-11-28 03:43:05,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:05,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:43:05,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:05,281 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:43:05,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-28 03:43:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:05,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:43:05,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:05,390 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 03:43:05,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:43:05,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250166071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:43:05,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:43:05,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:43:05,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694251812] [2024-11-28 03:43:05,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:43:05,478 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:43:05,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:05,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1309477591, now seen corresponding path program 2 times [2024-11-28 03:43:05,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:05,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428526329] [2024-11-28 03:43:05,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:05,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:05,496 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:43:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:05,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:43:05,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-28 03:43:06,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:43:06,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:43:06,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:43:06,302 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. cyclomatic complexity: 5 Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:43:06,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:06,331 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2024-11-28 03:43:06,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 116 transitions. [2024-11-28 03:43:06,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 38 [2024-11-28 03:43:06,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 96 states and 98 transitions. [2024-11-28 03:43:06,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2024-11-28 03:43:06,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2024-11-28 03:43:06,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 98 transitions. [2024-11-28 03:43:06,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:43:06,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 96 states and 98 transitions. [2024-11-28 03:43:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 98 transitions. [2024-11-28 03:43:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 78. [2024-11-28 03:43:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.0256410256410255) internal successors, (80), 77 states have internal predecessors, (80), 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 03:43:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2024-11-28 03:43:06,345 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 80 transitions. [2024-11-28 03:43:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:43:06,346 INFO L425 stractBuchiCegarLoop]: Abstraction has 78 states and 80 transitions. [2024-11-28 03:43:06,346 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-28 03:43:06,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 80 transitions. [2024-11-28 03:43:06,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 38 [2024-11-28 03:43:06,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:43:06,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:43:06,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 4, 4, 2, 2, 1, 1, 1, 1] [2024-11-28 03:43:06,352 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [8, 8, 8, 4, 4, 2, 2, 1, 1] [2024-11-28 03:43:06,352 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" [2024-11-28 03:43:06,352 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#3(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4);" "assume 0 == main_#t~mem4#1;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4);" "assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#3(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#3(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4);" [2024-11-28 03:43:06,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:06,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1814697605, now seen corresponding path program 1 times [2024-11-28 03:43:06,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:06,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821025460] [2024-11-28 03:43:06,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:06,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:06,393 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:43:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:06,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:43:06,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:06,421 INFO L85 PathProgramCache]: Analyzing trace with hash 378074179, now seen corresponding path program 1 times [2024-11-28 03:43:06,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:06,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273765530] [2024-11-28 03:43:06,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:06,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:06,441 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:43:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:43:06,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:43:06,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:06,458 INFO L85 PathProgramCache]: Analyzing trace with hash -856553529, now seen corresponding path program 2 times [2024-11-28 03:43:06,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:43:06,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49825964] [2024-11-28 03:43:06,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:06,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:06,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:43:06,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49825964] [2024-11-28 03:43:06,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49825964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:43:06,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708040805] [2024-11-28 03:43:06,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:06,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:43:06,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:06,983 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:43:06,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-28 03:43:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:07,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:43:07,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:07,315 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 03:43:07,327 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 15 treesize of output 7 [2024-11-28 03:43:07,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:43:07,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708040805] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:43:07,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:43:07,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2024-11-28 03:43:07,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946930892] [2024-11-28 03:43:07,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:43:10,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:43:10,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:43:10,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:43:10,446 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. cyclomatic complexity: 4 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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 03:43:10,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:10,498 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2024-11-28 03:43:10,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 42 transitions. [2024-11-28 03:43:10,498 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:43:10,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 0 states and 0 transitions. [2024-11-28 03:43:10,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 03:43:10,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 03:43:10,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 03:43:10,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:43:10,499 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:43:10,499 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:43:10,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:43:10,499 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:43:10,499 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-28 03:43:10,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:43:10,500 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:43:10,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 03:43:10,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:43:10 BoogieIcfgContainer [2024-11-28 03:43:10,514 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:43:10,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:43:10,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:43:10,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:43:10,516 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:45" (3/4) ... [2024-11-28 03:43:10,518 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:43:10,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:43:10,522 INFO L158 Benchmark]: Toolchain (without parser) took 25957.26ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 105.5MB in the beginning and 205.0MB in the end (delta: -99.4MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2024-11-28 03:43:10,522 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:43:10,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.61ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 94.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:43:10,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.10ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 93.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:43:10,523 INFO L158 Benchmark]: Boogie Preprocessor took 64.92ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:43:10,524 INFO L158 Benchmark]: RCFGBuilder took 340.45ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 79.8MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:43:10,524 INFO L158 Benchmark]: BuchiAutomizer took 25220.30ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 79.8MB in the beginning and 205.1MB in the end (delta: -125.3MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2024-11-28 03:43:10,524 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 352.3MB. Free memory was 205.1MB in the beginning and 205.0MB in the end (delta: 106.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:43:10,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.61ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 94.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.10ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 93.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.92ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.45ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 79.8MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 25220.30ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 79.8MB in the beginning and 205.1MB in the end (delta: -125.3MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 352.3MB. Free memory was 205.1MB in the beginning and 205.0MB in the end (delta: 106.0kB). 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: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x0~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x0~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~x2~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (5 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.1s and 10 iterations. TraceHistogramMax:8. Analysis of lassos took 23.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 7. Automata minimization 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 50 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 [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 29/29 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 168 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 92 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU4 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital265 mio100 ax100 hnf100 lsp100 ukn75 mio100 lsp24 div100 bol100 ite100 ukn100 eq165 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 03:43:10,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2024-11-28 03:43:10,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2024-11-28 03:43:10,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-11-28 03:43:11,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2024-11-28 03:43:11,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-28 03:43:11,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baba5fa-5e87-4263-b1a3-e087524e00d4/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