./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/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_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:00:24,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:00:25,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 20:00:25,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:00:25,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:00:25,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:00:25,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:00:25,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:00:25,158 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:00:25,158 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:00:25,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:00:25,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:00:25,160 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:00:25,160 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:00:25,161 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:00:25,162 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:00:25,162 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:00:25,163 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:00:25,163 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:00:25,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:00:25,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:00:25,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:00:25,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:00:25,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:00:25,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:00:25,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:00:25,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:00:25,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:00:25,164 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:00:25,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:00:25,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:00:25,165 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:00:25,165 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:00:25,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:00:25,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:00:25,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:00:25,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:00:25,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:00:25,166 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:00:25,166 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_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 [2024-11-27 20:00:25,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:00:25,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:00:25,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:00:25,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:00:25,574 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:00:25,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2024-11-27 20:00:29,201 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/data/bc7948f74/693e7a4fab76453b9ef0d4664bb165b9/FLAGf3668ee02 [2024-11-27 20:00:29,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:00:29,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2024-11-27 20:00:29,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/data/bc7948f74/693e7a4fab76453b9ef0d4664bb165b9/FLAGf3668ee02 [2024-11-27 20:00:29,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/data/bc7948f74/693e7a4fab76453b9ef0d4664bb165b9 [2024-11-27 20:00:29,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:00:29,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:00:29,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:00:29,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:00:29,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:00:29,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:29,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad7100a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29, skipping insertion in model container [2024-11-27 20:00:29,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:29,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:00:29,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:00:29,840 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:00:29,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:00:29,894 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:00:29,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29 WrapperNode [2024-11-27 20:00:29,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:00:29,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:00:29,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:00:29,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:00:29,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:29,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:29,943 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-27 20:00:29,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:00:29,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:00:29,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:00:29,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:00:29,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:29,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:29,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:29,988 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 3, 1]. [2024-11-27 20:00:29,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:29,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:30,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:30,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:30,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:30,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:30,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:30,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:00:30,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:00:30,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:00:30,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:00:30,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (1/1) ... [2024-11-27 20:00:30,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:30,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:30,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:30,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:00:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:00:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:00:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:00:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:00:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:00:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:00:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:00:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:00:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:00:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:00:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:00:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:00:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:00:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:00:30,231 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:00:30,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:00:30,521 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-27 20:00:30,521 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:00:30,537 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:00:30,538 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:00:30,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:00:30 BoogieIcfgContainer [2024-11-27 20:00:30,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:00:30,539 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:00:30,540 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:00:30,548 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:00:30,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:00:30,549 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:00:29" (1/3) ... [2024-11-27 20:00:30,550 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bd30927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:00:30, skipping insertion in model container [2024-11-27 20:00:30,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:00:30,550 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:00:29" (2/3) ... [2024-11-27 20:00:30,550 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bd30927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:00:30, skipping insertion in model container [2024-11-27 20:00:30,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:00:30,550 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:00:30" (3/3) ... [2024-11-27 20:00:30,552 INFO L363 chiAutomizerObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i [2024-11-27 20:00:30,615 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:00:30,615 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:00:30,616 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:00:30,616 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:00:30,616 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:00:30,616 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:00:30,616 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:00:30,616 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:00:30,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:00:30,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-11-27 20:00:30,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:00:30,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:00:30,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:00:30,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-27 20:00:30,648 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:00:30,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:00:30,649 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-11-27 20:00:30,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:00:30,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:00:30,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:00:30,650 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-27 20:00:30,657 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_~q~0#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0;" [2024-11-27 20:00:30,658 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100000;" "havoc main_#t~nondet1#1;main_~q~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);" "assume !(0 == main_~q~0#1);" "call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);" "assume !(0 != main_#t~mem2#1);havoc main_#t~mem2#1;" "havoc main_~q~0#1;main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" [2024-11-27 20:00:30,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-27 20:00:30,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:00:30,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594210102] [2024-11-27 20:00:30,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:30,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:00:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:00:30,789 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:00:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:00:30,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:00:30,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:30,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1128144809, now seen corresponding path program 1 times [2024-11-27 20:00:30,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:00:30,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011208959] [2024-11-27 20:00:30,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:30,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:00:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:00:30,868 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:00:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:00:30,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:00:30,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:30,881 INFO L85 PathProgramCache]: Analyzing trace with hash 208194027, now seen corresponding path program 1 times [2024-11-27 20:00:30,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:00:30,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700117772] [2024-11-27 20:00:30,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:30,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:00:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:00:30,916 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:00:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:00:30,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:00:31,622 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:00:31,623 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:00:31,623 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:00:31,625 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:00:31,625 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:00:31,625 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:31,625 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:00:31,626 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:00:31,626 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration1_Lasso [2024-11-27 20:00:31,626 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:00:31,626 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:00:31,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:31,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:31,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:31,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:31,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:31,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:31,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:32,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:32,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:32,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:32,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:32,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:32,491 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:00:32,496 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:00:32,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 20:00:32,507 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 [2024-11-27 20:00:32,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:32,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:32,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:32,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:32,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:00:32,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:00:32,551 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:00:32,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-27 20:00:32,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 20:00:32,575 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 [2024-11-27 20:00:32,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:32,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:32,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:32,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:32,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:00:32,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:00:32,608 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:00:32,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-27 20:00:32,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,624 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 20:00:32,628 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 [2024-11-27 20:00:32,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:32,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:32,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:32,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:32,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:00:32,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:00:32,660 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:00:32,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-27 20:00:32,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 20:00:32,680 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 [2024-11-27 20:00:32,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:32,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:00:32,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:32,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:32,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:32,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:00:32,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:00:32,707 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:00:32,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-27 20:00:32,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,722 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 20:00:32,730 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 [2024-11-27 20:00:32,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:32,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:00:32,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:32,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:32,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:32,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:00:32,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:00:32,753 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:00:32,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:00:32,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 20:00:32,774 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 [2024-11-27 20:00:32,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:32,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:00:32,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:32,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:32,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:32,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:00:32,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:00:32,799 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:00:32,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 20:00:32,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,813 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 20:00:32,818 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 [2024-11-27 20:00:32,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:32,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:32,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:32,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:32,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:00:32,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:00:32,855 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:00:32,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:00:32,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,870 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 20:00:32,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:00:32,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:32,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:32,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:32,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:32,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:00:32,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:00:32,916 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:00:32,971 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-11-27 20:00:32,975 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-27 20:00:32,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:32,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:32,984 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:32,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 20:00:32,987 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:00:33,008 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:00:33,009 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:00:33,009 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-27 20:00:33,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-27 20:00:33,063 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-27 20:00:33,074 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 20:00:33,075 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 20:00:33,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:33,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:00:33,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:00:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:33,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:00:33,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:00:33,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-27 20:00:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:00:33,337 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-27 20:00:33,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) 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) [2024-11-27 20:00:33,448 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) 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) Result 42 states and 61 transitions. Complement of second has 8 states. [2024-11-27 20:00:33,455 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 [2024-11-27 20:00:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) 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) [2024-11-27 20:00:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2024-11-27 20:00:33,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-27 20:00:33,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:00:33,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 6 letters. [2024-11-27 20:00:33,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:00:33,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 12 letters. [2024-11-27 20:00:33,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:00:33,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 61 transitions. [2024-11-27 20:00:33,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 20:00:33,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 19 states and 27 transitions. [2024-11-27 20:00:33,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 20:00:33,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-27 20:00:33,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2024-11-27 20:00:33,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:00:33,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-11-27 20:00:33,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2024-11-27 20:00:33,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-27 20:00:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:00:33,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2024-11-27 20:00:33,528 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-11-27 20:00:33,528 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-11-27 20:00:33,528 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:00:33,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2024-11-27 20:00:33,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 20:00:33,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:00:33,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:00:33,529 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-27 20:00:33,529 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 20:00:33,529 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_~q~0#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < 100000);" "call write~int#1(1, main_~#a~0#1.base, 60000 + main_~#a~0#1.offset, 4);main_~i~0#1 := 0;" [2024-11-27 20:00:33,531 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100000;" "assume !(15000 == main_~i~0#1);" "main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" [2024-11-27 20:00:33,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:33,532 INFO L85 PathProgramCache]: Analyzing trace with hash 925789, now seen corresponding path program 1 times [2024-11-27 20:00:33,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:00:33,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007642546] [2024-11-27 20:00:33,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:00:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:33,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:00:33,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007642546] [2024-11-27 20:00:33,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007642546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:00:33,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366907920] [2024-11-27 20:00:33,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:33,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:00:33,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:33,621 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:00:33,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:00:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:33,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:00:33,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:00:33,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:00:33,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366907920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:00:33,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:00:33,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 20:00:33,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447017908] [2024-11-27 20:00:33,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:00:33,712 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:00:33,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:33,712 INFO L85 PathProgramCache]: Analyzing trace with hash 72267, now seen corresponding path program 1 times [2024-11-27 20:00:33,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:00:33,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005733186] [2024-11-27 20:00:33,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:33,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:00:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:00:33,724 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:00:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:00:33,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:00:33,757 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:00:33,757 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:00:33,757 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:00:33,757 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:00:33,757 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:00:33,757 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:33,757 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:00:33,757 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:00:33,757 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Loop [2024-11-27 20:00:33,757 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:00:33,757 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:00:33,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:33,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:33,848 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:00:33,849 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 20:00:33,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:33,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:33,853 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:33,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 20:00:33,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:00:33,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:00:33,882 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:00:33,882 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6#1=0} Honda state: {ULTIMATE.start_main_#t~post6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:00:33,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-27 20:00:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:33,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:33,896 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:33,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 20:00:33,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:00:33,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:00:33,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-27 20:00:33,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:33,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:33,939 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:33,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 20:00:33,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 20:00:33,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:00:34,067 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 20:00:34,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-27 20:00:34,072 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:00:34,073 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:00:34,073 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:00:34,073 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:00:34,073 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:00:34,073 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:34,073 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:00:34,073 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:00:34,073 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Loop [2024-11-27 20:00:34,073 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:00:34,073 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:00:34,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:34,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:00:34,159 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:00:34,159 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:00:34,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:34,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:34,162 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:34,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 20:00:34,167 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 [2024-11-27 20:00:34,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:34,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:00:34,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:34,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:00:34,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:34,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:00:34,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:00:34,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:00:34,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-27 20:00:34,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:34,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:34,204 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:34,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 20:00:34,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:00:34,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:00:34,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:00:34,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:00:34,228 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:00:34,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:00:34,232 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 20:00:34,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:00:34,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:00:34,242 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-27 20:00:34,242 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-27 20:00:34,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:00:34,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:34,253 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:00:34,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 20:00:34,257 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:00:34,257 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 20:00:34,257 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:00:34,257 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2024-11-27 20:00:34,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-27 20:00:34,270 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 20:00:34,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:34,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:00:34,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:00:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:34,338 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:00:34,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:00:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:00:34,367 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 [2024-11-27 20:00:34,367 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:00:34,399 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 27 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 46 transitions. Complement of second has 5 states. [2024-11-27 20:00:34,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:00:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:00:34,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2024-11-27 20:00:34,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-27 20:00:34,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:00:34,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-27 20:00:34,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:00:34,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-27 20:00:34,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:00:34,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2024-11-27 20:00:34,408 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:00:34,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2024-11-27 20:00:34,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 20:00:34,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 20:00:34,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 20:00:34,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:00:34,409 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:00:34,409 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:00:34,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:00:34,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:00:34,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:00:34,416 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2024-11-27 20:00:34,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:00:34,420 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-27 20:00:34,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-27 20:00:34,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:00:34,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:00:34,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 20:00:34,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 20:00:34,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 20:00:34,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:00:34,421 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:00:34,421 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:00:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:00:34,423 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:00:34,423 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 20:00:34,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:00:34,423 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:00:34,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 20:00:34,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:00:34 BoogieIcfgContainer [2024-11-27 20:00:34,433 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:00:34,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:00:34,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:00:34,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:00:34,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:00:30" (3/4) ... [2024-11-27 20:00:34,437 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:00:34,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:00:34,439 INFO L158 Benchmark]: Toolchain (without parser) took 4848.57ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 75.3MB in the end (delta: 44.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-27 20:00:34,440 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:00:34,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.17ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 108.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:00:34,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.70ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:00:34,441 INFO L158 Benchmark]: Boogie Preprocessor took 72.33ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:00:34,441 INFO L158 Benchmark]: RCFGBuilder took 515.26ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.3MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:00:34,441 INFO L158 Benchmark]: BuchiAutomizer took 3893.81ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 75.3MB in the end (delta: 18.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-27 20:00:34,442 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 75.3MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:00:34,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.17ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 108.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.70ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.33ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.26ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.3MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3893.81ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 75.3MB in the end (delta: 18.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 75.3MB in the end (delta: 24.0kB). 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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 199999) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 22 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital55 mio100 ax100 hnf100 lsp95 ukn90 mio100 lsp79 div100 bol100 ite100 ukn100 eq165 hnf94 smp100 dnf137 smp94 tf104 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 20:00:34,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-27 20:00:34,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 20:00:34,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df6c786-2162-4e6c-8dfa-c25c85660368/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